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[ Upstream commit 165e3e17fe8fe6a8aab319bc6e631a2e23b9a857 ]
A null pointer reference issue can be triggered when the response of a
stream reconf request arrives after the timer is triggered, such as:
send Incoming SSN Reset Request --->
CPU0:
reconf timer is triggered,
go to the handler code before hold sk lock
<--- reply with Outgoing SSN Reset Request
CPU1:
process Outgoing SSN Reset Request,
and set asoc->strreset_chunk to NULL
CPU0:
continue the handler code, hold sk lock,
and try to hold asoc->strreset_chunk, crash!
In Ying Xu's testing, the call trace is:
[ ] BUG: kernel NULL pointer dereference, address: 0000000000000010
[ ] RIP: 0010:sctp_chunk_hold+0xe/0x40 [sctp]
[ ] Call Trace:
[ ] <IRQ>
[ ] sctp_sf_send_reconf+0x2c/0x100 [sctp]
[ ] sctp_do_sm+0xa4/0x220 [sctp]
[ ] sctp_generate_reconf_event+0xbd/0xe0 [sctp]
[ ] call_timer_fn+0x26/0x130
This patch is to fix it by returning from the timer handler if asoc
strreset_chunk is already set to NULL.
Fixes: 7b9438de0cd4 ("sctp: add stream reconf timer")
Reported-by: Ying Xu <yinxu@redhat.com>
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit b253a0680ceadc5d7b4acca7aa2d870326cad8ad ]
If an ACK (s)acks multiple skbs, we favor the information
from the most recently sent skb by choosing the skb with
the highest prior_delivered count. But in the interval
between receiving ACKs, we send multiple skbs with the same
prior_delivered, because the tp->delivered only changes
when we receive an ACK.
We used RACK's solution, copying tcp_rack_sent_after() as
tcp_skb_sent_after() helper to determine "which packet was
sent last?". Later, we will use tcp_skb_sent_after() instead
in RACK.
Fixes: b9f64820fb22 ("tcp: track data delivery rate for a TCP connection")
Signed-off-by: Pengcheng Yang <yangpc@wangsu.com>
Cc: Paolo Abeni <pabeni@redhat.com>
Acked-by: Neal Cardwell <ncardwell@google.com>
Tested-by: Neal Cardwell <ncardwell@google.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/1650422081-22153-1-git-send-email-yangpc@wangsu.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 05d8af449d93e04547b4c6b328e39c890bc803f4 ]
The current EOI handler for LEVEL triggered interrupts calls clk_enable(),
register IO, clk_disable(). The clock manipulation requires locking which
happens with IRQs disabled in clk_enable_lock(). Instead of turning the
clock on and off all the time, enable the clock in case LEVEL interrupt is
requested and keep the clock enabled until all LEVEL interrupts are freed.
The LEVEL interrupts are an exception on this platform and seldom used, so
this does not affect the common case.
This simplifies the LEVEL interrupt handling considerably and also fixes
the following splat found when using preempt-rt:
------------[ cut here ]------------
WARNING: CPU: 0 PID: 0 at kernel/locking/rtmutex.c:2040 __rt_mutex_trylock+0x37/0x62
Modules linked in:
CPU: 0 PID: 0 Comm: swapper/0 Not tainted 5.10.109-rt65-stable-standard-00068-g6a5afc4b1217 #85
Hardware name: STM32 (Device Tree Support)
[<c010a45d>] (unwind_backtrace) from [<c010766f>] (show_stack+0xb/0xc)
[<c010766f>] (show_stack) from [<c06353ab>] (dump_stack+0x6f/0x84)
[<c06353ab>] (dump_stack) from [<c01145e3>] (__warn+0x7f/0xa4)
[<c01145e3>] (__warn) from [<c063386f>] (warn_slowpath_fmt+0x3b/0x74)
[<c063386f>] (warn_slowpath_fmt) from [<c063b43d>] (__rt_mutex_trylock+0x37/0x62)
[<c063b43d>] (__rt_mutex_trylock) from [<c063c053>] (rt_spin_trylock+0x7/0x16)
[<c063c053>] (rt_spin_trylock) from [<c036a2f3>] (clk_enable_lock+0xb/0x80)
[<c036a2f3>] (clk_enable_lock) from [<c036ba69>] (clk_core_enable_lock+0x9/0x18)
[<c036ba69>] (clk_core_enable_lock) from [<c034e9f3>] (stm32_gpio_get+0x11/0x24)
[<c034e9f3>] (stm32_gpio_get) from [<c034ef43>] (stm32_gpio_irq_trigger+0x1f/0x48)
[<c034ef43>] (stm32_gpio_irq_trigger) from [<c014aa53>] (handle_fasteoi_irq+0x71/0xa8)
[<c014aa53>] (handle_fasteoi_irq) from [<c0147111>] (generic_handle_irq+0x19/0x22)
[<c0147111>] (generic_handle_irq) from [<c014752d>] (__handle_domain_irq+0x55/0x64)
[<c014752d>] (__handle_domain_irq) from [<c0346f13>] (gic_handle_irq+0x53/0x64)
[<c0346f13>] (gic_handle_irq) from [<c0100ba5>] (__irq_svc+0x65/0xc0)
Exception stack(0xc0e01f18 to 0xc0e01f60)
1f00: 0000300c 00000000
1f20: 0000300c c010ff01 00000000 00000000 c0e00000 c0e07714 00000001 c0e01f78
1f40: c0e07758 00000000 ef7cd0ff c0e01f68 c010554b c0105542 40000033 ffffffff
[<c0100ba5>] (__irq_svc) from [<c0105542>] (arch_cpu_idle+0xc/0x1e)
[<c0105542>] (arch_cpu_idle) from [<c063be95>] (default_idle_call+0x21/0x3c)
[<c063be95>] (default_idle_call) from [<c01324f7>] (do_idle+0xe3/0x1e4)
[<c01324f7>] (do_idle) from [<c01327b3>] (cpu_startup_entry+0x13/0x14)
[<c01327b3>] (cpu_startup_entry) from [<c0a00c13>] (start_kernel+0x397/0x3d4)
[<c0a00c13>] (start_kernel) from [<00000000>] (0x0)
---[ end trace 0000000000000002 ]---
Power consumption measured on STM32MP157C DHCOM SoM is not increased or
is below noise threshold.
Fixes: 47beed513a85b ("pinctrl: stm32: Add level interrupt support to gpio irq chip")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Fabien Dessenne <fabien.dessenne@foss.st.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Marc Zyngier <maz@kernel.org>
Cc: linux-stm32@st-md-mailman.stormreply.com
Cc: linux-arm-kernel@lists.infradead.org
To: linux-gpio@vger.kernel.org
Reviewed-by: Fabien Dessenne <fabien.dessenne@foss.st.com>
Link: https://lore.kernel.org/r/20220421140827.214088-1-marex@denx.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 5b0b9e4c2c895227c8852488b3f09839233bba54 ]
In tcp_create_openreq_child we adjust tcp_header_len for md5 using the
remote address in newsk. But that address is still 0 in newsk at this
point, and it is only set later by the callers (tcp_v[46]_syn_recv_sock).
Use the address from the request socket instead.
Fixes: cfb6eeb4c860 ("[TCP]: MD5 Signature Option (RFC2385) support.")
Signed-off-by: Francesco Ruggeri <fruggeri@arista.com>
Reviewed-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20220421005026.686A45EC01F2@us226.sjc.aristanetworks.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 1f3e25a068832f8892a5ff71467622d012f5bc9f ]
Some of the pinmuxing bits described in rk3308_mux_recalced_data are wrong,
pointing to non-existing registers.
Fix the entire table.
Also add a comment in front of each entry with the same string that appears
in the datasheet to make the table easier to compare with the docs.
This fix has been tested on real hardware for the gpio3b3_sel entry.
Fixes: 7825aeb7b208 ("pinctrl: rockchip: add rk3308 SoC support")
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Link: https://lore.kernel.org/r/20220420142432.248565-1-luca.ceresoli@bootlin.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit babc3dc9524f0bcb5a0ec61f3c3639b11508fad6 ]
This patch fixes spurious EEXIST errors.
Extend d2df92e98a34 ("netfilter: nft_set_rbtree: handle element
re-addition after deletion") to deal with elements with same end flags
in the same transation.
Reset the overlap flag as described by 7c84d41416d8 ("netfilter:
nft_set_rbtree: Detect partial overlaps on insertion").
Fixes: 7c84d41416d8 ("netfilter: nft_set_rbtree: Detect partial overlaps on insertion")
Fixes: d2df92e98a34 ("netfilter: nft_set_rbtree: handle element re-addition after deletion")
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Reviewed-by: Stefano Brivio <sbrivio@redhat.com>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit fc06b2867f4cea543505acfb194c2be4ebf0c7d3 ]
The device_node pointer is returned by of_parse_phandle() with refcount
incremented. We should use of_node_put() on it when done.
of_node_put() will check for NULL value.
Fixes: a20f997010c4 ("net: dsa: Don't instantiate phylink for CPU/DSA ports unless needed")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 7e842d70fe599bc13594b650b2144c4b6e6d6bf1 ]
HyperFlash devices fail to probe:
rpc-if-hyperflash rpc-if-hyperflash: probing of hyperbus device failed
In HyperFlash or Octal-SPI Flash mode, the Transfer Data Enable bits
(SPIDE) in the Manual Mode Enable Setting Register (SMENR) are derived
from half of the transfer size, cfr. the rpcif_bits_set() helper
function. However, rpcif_reg_{read,write}() does not take the bus size
into account, and does not double all Manual Mode Data Register access
sizes when communicating with a HyperFlash or Octal-SPI Flash device.
Fix this, and avoid the back-and-forth conversion between transfer size
and Transfer Data Enable bits, by explicitly storing the transfer size
in struct rpcif, and using that value to determine access size in
rpcif_reg_{read,write}().
Enforce that the "high" Manual Mode Read/Write Data Registers
(SM[RW]DR1) are only used for 8-byte data accesses.
While at it, forbid writing to the Manual Mode Read Data Registers,
as they are read-only.
Fixes: fff53a551db50f5e ("memory: renesas-rpc-if: Correct QSPI data transfer in Manual mode")
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Tested-by: Lad Prabhakar <prabhakar.mahadev-lad.rj@bp.renesas.com>
Tested-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Reviewed-by: Wolfram Sang <wsa+renesas@sang-engineering.com>
Link: https://lore.kernel.org/r/cde9bfacf704c81865f57b15d1b48a4793da4286.1649681476.git.geert+renesas@glider.be
Link: https://lore.kernel.org/r/20220420070526.9367-1-krzysztof.kozlowski@linaro.org'
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit e74200ebf7c4f6a7a7d1be9f63833ddba251effa ]
The stm32_gpio_get() should only be called for LEVEL triggered interrupts,
skip calling it for EDGE triggered interrupts altogether to avoid wasting
CPU cycles in EOI handler. On this platform, EDGE triggered interrupts are
the majority and LEVEL triggered interrupts are the exception no less, and
the CPU cycles are not abundant.
Fixes: 47beed513a85b ("pinctrl: stm32: Add level interrupt support to gpio irq chip")
Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Alexandre Torgue <alexandre.torgue@foss.st.com>
Cc: Fabien Dessenne <fabien.dessenne@foss.st.com>
Cc: Linus Walleij <linus.walleij@linaro.org>
Cc: Marc Zyngier <maz@kernel.org>
Cc: linux-stm32@st-md-mailman.stormreply.com
Cc: linux-arm-kernel@lists.infradead.org
To: linux-gpio@vger.kernel.org
Link: https://lore.kernel.org/r/20220415215410.498349-1-marex@denx.de
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 37c5f9e80e015d0df17d0c377c18523002986851 ]
Commit 46b5889cc2c5 ("mtd: implement proper partition handling")
started using "mtd_get_master_ofs()" in mtd callbacks to determine
memory offsets by means of 'part' field from mtd_info, what previously
was smashed accessing 'master' field in the mtd_set_dev_defaults() method.
That provides wrong offset what causes hardware access errors.
Just make 'part', 'master' as separate fields, rather than using
union type to avoid 'part' data corruption when mtd_set_dev_defaults()
is called.
Fixes: 46b5889cc2c5 ("mtd: implement proper partition handling")
Signed-off-by: Oleksandr Ocheretnyi <oocheret@cisco.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220417184649.449289-1-oocheret@cisco.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 084c16ab423a8890121b902b405823bfec5b4365 ]
wait_for_completion_timeout() returns unsigned long not int.
It returns 0 if timed out, and positive if completed.
The check for <= 0 is ambiguous and should be == 0 here
indicating timeout which is the only error case.
Fixes: 83738d87e3a0 ("mtd: sh_flctl: Add DMA capabilty")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220412083435.29254-1-linmq006@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 87950929e2ff2236207bdbe14bff8230558b541b ]
If EINT_MTK is m and PINCTRL_MTK_V2 is y, build fails:
drivers/pinctrl/mediatek/pinctrl-moore.o: In function `mtk_gpio_set_config':
pinctrl-moore.c:(.text+0xa6c): undefined reference to `mtk_eint_set_debounce'
drivers/pinctrl/mediatek/pinctrl-moore.o: In function `mtk_gpio_to_irq':
pinctrl-moore.c:(.text+0xacc): undefined reference to `mtk_eint_find_irq'
Select EINT_MTK for PINCTRL_MTK_V2 to fix this.
Fixes: 8174a8512e3e ("pinctrl: mediatek: make MediaTek pinctrl v2 driver ready for buidling loadable module")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Link: https://lore.kernel.org/r/20220409105958.37412-1-yuehaibing@huawei.com
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit eba1a872cb73314280d5448d934935b23e30b7ca ]
The memory size of ip_vs_conn_tab changed after we use hlist
instead of list.
Fixes: 731109e78415 ("ipvs: use hlist instead of list")
Signed-off-by: Pengcheng Yang <yangpc@wangsu.com>
Acked-by: Julian Anastasov <ja@ssi.bg>
Acked-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 46ff3df87215ff42c0cd2c4bdb7d74540384a69c ]
The pinout of the OMAP35 and DM37 variants of the SOM-LV are the
same, but the macros which define the pinmuxing are different
between OMAP3530 and DM3730. The pinmuxing was correct for
for the DM3730, but wrong for the OMAP3530. Since the boot loader
was correctly pin-muxing the pins, this was not obvious. As the
bootloader not guaranteed to pinmux all the pins any more, this
causes an issue, so the pinmux needs to be moved from a common
file to their respective board files.
Fixes: f8a2e3ff7103 ("ARM: dts: Add minimal support for LogicPD OMAP35xx SOM-LV devkit")
Signed-off-by: Adam Ford <aford173@gmail.com>
Message-Id: <20220303171818.11060-1-aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 942da3af32b2288e674736eb159d1fc676261691 ]
The bootloader for the AM3517 has previously done much of the pin
muxing, but as the bootloader is moving more and more to a model
based on the device tree, it may no longer automatically mux the
pins, so it is necessary to add the pinmuxing to the Linux device
trees so the respective peripherals can remain functional.
Fixes: 6ed1d7997561 ("ARM: dts: am3517-evm: Add support for UI board and Audio")
Signed-off-by: Adam Ford <aford173@gmail.com>
Message-Id: <20220226214820.747847-1-aford173@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 09269dd050094593fc747f2a5853d189fefcb6b5 ]
Commit a1ebdb374199 ("ARM: dts: Fix swapped mmc order for omap3")
introduces general mmc aliases. Let's tailor them to the need
of the GTA04 board which does not make use of mmc2 and mmc3 interfaces.
Fixes: a1ebdb374199 ("ARM: dts: Fix swapped mmc order for omap3")
Signed-off-by: H. Nikolaus Schaller <hns@goldelico.com>
Message-Id: <dc9173ee3d391d9e92b7ab8ed4f84b29f0a21c83.1646744420.git.hns@goldelico.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit ce88613e5bd579478653a028291098143f2a5bdf ]
The pm_runtime_enable() will increase power disable depth.
If the probe fails, we should use pm_runtime_disable() to balance
pm_runtime_enable().
Add missing pm_runtime_disable() for serdes_am654_probe().
Fixes: 71e2f5c5c224 ("phy: ti: Add a new SERDES driver for TI's AM654x SoC")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220301025853.1911-1-linmq006@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit d644e0d79829b1b9a14beedbdb0dc1256fc3677d ]
The pm_runtime_enable will increase power disable depth.
If the probe fails, we should use pm_runtime_disable() to balance
pm_runtime_enable(). And use pm_runtime_dont_use_autosuspend() to
undo pm_runtime_use_autosuspend()
In the PM Runtime docs:
Drivers in ->remove() callback should undo the runtime PM changes done
in ->probe(). Usually this means calling pm_runtime_disable(),
pm_runtime_dont_use_autosuspend() etc.
We should do this in error handling.
Fixes: f7f50b2a7b05 ("phy: mapphone-mdm6600: Add runtime PM support for n_gsm on USB suspend")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220301024615.31899-1-linmq006@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 5c8b49852910caffeebb1ce541fdd264ffc691b8 ]
Pinctrl phandle is for spi1 so rename it to reflect this.
Signed-off-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20220331141323.194355-1-claudiu.beznea@microchip.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 0e486fe341fabd8e583f3d601a874cd394979c45 ]
The MCLK of the WM8731 on the AT91SAM9G20-EK board is connected to the
PCK0 output of the SoC and is expected to be set to 12MHz. Previously
this was mapped using pre-common clock API calls in the audio machine
driver but the conversion to the common clock framework broke that so
describe things in the DT instead.
Fixes: ff78a189b0ae55f ("ARM: at91: remove old at91-specific clock driver")
Signed-off-by: Mark Brown <broonie@kernel.org>
Reviewed-by: Claudiu Beznea <claudiu.beznea@microchip.com>
Signed-off-by: Nicolas Ferre <nicolas.ferre@microchip.com>
Link: https://lore.kernel.org/r/20220404102806.581374-2-broonie@kernel.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 3588060befff75ff39fab7122b94c6fb3148fcda ]
The corresponding API for clk_prepare_enable is clk_disable_unprepare.
Make sure that the clock is unprepared on exit by changing clk_disable
to clk_disable_unprepare.
Fixes: ed31ee7cf1fe ("phy: ti: usb2: Fix logic on -EPROBE_DEFER")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220318105748.19532-1-linmq006@gmail.com
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit a12315d6d27093392b6c634e1d35a59f1d1f7a59 ]
On beagleboard revisions A to B4 we need to use gpt12 as the system timer.
However, the quirk handling added for gpt12 caused a regression for system
suspend for am335x as the PM coprocessor needs the timers idled for
suspend.
Let's make the gpt12 quirk specific to omap34xx, other SoCs don't need
it. Beagleboard revisions C and later no longer need to use the gpt12
related quirk. Then at some point, if we decide to drop support for the old
beagleboard revisions A to B4, we can also drop the gpt12 related quirks
completely.
Fixes: 3ff340e24c9d ("bus: ti-sysc: Fix gpt12 system timer issue with reserved status")
Reported-by: Kevin Hilman <khilman@baylibre.com>
Suggested-by: Kevin Hilman <khilman@baylibre.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 0f83e6b4161617014017a694888dd8743f46f071 ]
The of_find_compatible_node() function returns a node pointer with
refcount incremented, We should use of_node_put() on it when done
Add the missing of_node_put() to release the refcount.
Fixes: fd1c07861491 ("ARM: OMAP4: Fix the init code to have OMAP4460 errata available in DT build")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Message-Id: <20220309104302.18398-1-linmq006@gmail.com>
Signed-off-by: Tony Lindgren <tony@atomide.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 5c8402c4db45dd55c2c93c8d730f5dfa7c78a702 ]
The actions of of_find_i2c_device_by_node() in probe function should be
reversed in error paths by putting the reference to obtained device.
Fixes: bcff4cba41bc ("PHY: Exynos: Add Exynos5250 SATA PHY driver")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Alim Akhtar <alim.akhtar@samsung.com>
Link: https://lore.kernel.org/r/20220407091857.230386-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 388ec8f079f2f20d5cd183c3bc6f33cbc3ffd3ef ]
The device_node pointer is returned by of_parse_phandle() with refcount
incremented. We should use of_node_put() on it when done.
Fixes: bcff4cba41bc ("PHY: Exynos: Add Exynos5250 SATA PHY driver")
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20220407091857.230386-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Vinod Koul <vkoul@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit fa51e1dc4b91375bc18349663a52395ad585bd3c ]
On a custom carrier board with a i.MX6Q Apalis SoM, the sgtl5000 codec
on the SoM is often not detected and the following error message is
seen when the sgtl5000 driver tries to read the ID register:
sgtl5000 1-000a: Error reading chip id -6
The reason for the error is that the MCLK clock is not provided
early enough.
Fix the problem by describing the MCLK pinctrl inside the codec
node instead of placing it inside the audmux pinctrl group.
With this change applied the sgtl5000 is always detected on every boot.
Fixes: 693e3ffaae5a ("ARM: dts: imx6: Add support for Toradex Apalis iMX6Q/D SoM")
Signed-off-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Tim Harvey <tharvey@gateworks.com>
Acked-by: Max Krummenacher <max.krummenacher@toradex.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit e91ac20889d1a26d077cc511365cd7ff4346a6f3 ]
In some situations software handles TRB events slower than adding TRBs.
If the number of TRB events to be processed in a given interrupt is exactly
the same as the event ring size 256, then the local variable
"event_ring_deq" that holds the initial dequeue position is equal to
software_dequeue after handling all 256 interrupts.
It will cause driver to not update ERDP to hardware,
Software dequeue pointer is out of sync with ERDP on interrupt exit.
On the next interrupt, the event ring may full but driver will not
update ERDP as software_dequeue is equal to ERDP.
[ 536.377115] xhci_hcd 0000:00:12.0: ERROR unknown event type 37
[ 566.933173] sd 8:0:0:0: [sdb] tag#27 uas_eh_abort_handler 0 uas-tag 7 inflight: CMD OUT
[ 566.933181] sd 8:0:0:0: [sdb] tag#27 CDB: Write(10) 2a 00 17 71 e6 78 00 00 08 00
[ 572.041186] xhci_hcd On some situataions,the0000:00:12.0: xHCI host not responding to stop endpoint command.
[ 572.057193] xhci_hcd 0000:00:12.0: Host halt failed, -110
[ 572.057196] xhci_hcd 0000:00:12.0: xHCI host controller not responding, assume dead
[ 572.057236] sd 8:0:0:0: [sdb] tag#26 uas_eh_abort_handler 0 uas-tag 6 inflight: CMD
[ 572.057240] sd 8:0:0:0: [sdb] tag#26 CDB: Write(10) 2a 00 38 eb cc d8 00 00 08 00
[ 572.057244] sd 8:0:0:0: [sdb] tag#25 uas_eh_abort_handler 0 uas-tag 5 inflight: CMD
Hardware ERDP is updated mid event handling if there are more than 128
events in an interrupt (half of ring size).
Fix this by updating the software local variable at the same time as
hardware ERDP.
[commit message rewording -Mathias]
Fixes: dc0ffbea5729 ("usb: host: xhci: update event ring dequeue pointer on purpose")
Reviewed-by: Peter Chen <peter.chen@kernel.org>
Signed-off-by: Weitao Wang <WeitaoWang-oc@zhaoxin.com>
Signed-off-by: Mathias Nyman <mathias.nyman@linux.intel.com>
Link: https://lore.kernel.org/r/20220408134823.2527272-2-mathias.nyman@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 9fe4e0d3cbfe90152137963cc024ecb63db6e8e6 ]
According to the datasheet, mt7622 only has 5 ECC capabilities instead
of 7, and the decoding error register is arranged as follows:
+------+---------+---------+---------+---------+
| Bits | 19:15 | 14:10 | 9:5 | 4:0 |
+------+---------+---------+---------+---------+
| Name | ERRNUM3 | ERRNUM2 | ERRNUM1 | ERRNUM0 |
+------+---------+---------+---------+---------+
This means err_mask should be 0x1f instead of 0x3f and the number of
bits shifted in mtk_ecc_get_stats should be 5 instead of 8.
This commit introduces err_shift for the difference in this register
and fix other existing parameters.
Public MT7622 reference manual can be found on [0] and the info this
commit is based on is from page 656 and page 660.
[0]: https://wiki.banana-pi.org/Banana_Pi_BPI-R64#Documents
Fixes: 98dea8d71931 ("mtd: nand: mtk: Support MT7622 NAND flash controller.")
Signed-off-by: Chuanhong Guo <gch981213@gmail.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20220402160315.919094-1-gch981213@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit fd86d85401c2049f652293877c0f7e6e5afc3bbc ]
Amlogic SM1 devices experience CPU stalls and random board wedges when
the system idles and CPU cores clock down to lower opp points. Recent
vendor kernels include a change to remove 100-250MHz and other distro
sources also remove the 500/667MHz points. Unless all 100-667Mhz opps
are removed or the CPU governor forced to performance stalls are still
observed, so let's remove them to improve stability and uptime.
Fixes: 3d9e76483049 ("arm64: dts: meson-sm1-sei610: enable DVFS")
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20220210100638.19130-3-christianshewitt@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
[ Upstream commit 6c4d636bc00dc17c63ffb2a73a0da850240e26e3 ]
Amlogic G12B devices experience CPU stalls and random board wedges when
the system idles and CPU cores clock down to lower opp points. Recent
vendor kernels include a change to remove 100-250MHz and other distro
sources also remove the 500/667MHz points. Unless all 100-667Mhz opps
are removed or the CPU governor forced to performance stalls are still
observed, so let's remove them to improve stability and uptime.
Fixes: b96d4e92709b ("arm64: dts: meson-g12b: support a311d and s922x cpu operating points")
Signed-off-by: Christian Hewitt <christianshewitt@gmail.com>
Reviewed-by: Neil Armstrong <narmstrong@baylibre.com>
Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
Link: https://lore.kernel.org/r/20220210100638.19130-2-christianshewitt@gmail.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
commit 8c936f9ea11ec4e35e288810a7503b5c841a355f upstream.
When an iocg is in debt, its inuse weight is owned by debt handling and
should stay at 1. This invariant was broken when determining the amount of
surpluses at the beginning of donation calculation - when an iocg's
hierarchical weight is too low, the iocg is excluded from donation
calculation and its inuse is reset to its active regardless of its
indebtedness, triggering warnings like the following:
WARNING: CPU: 5 PID: 0 at block/blk-iocost.c:1416 iocg_kick_waitq+0x392/0x3a0
...
RIP: 0010:iocg_kick_waitq+0x392/0x3a0
Code: 00 00 be ff ff ff ff 48 89 4d a8 e8 98 b2 70 00 48 8b 4d a8 85 c0 0f 85 4a fe ff ff 0f 0b e9 43 fe ff ff 0f 0b e9 4d fe ff ff <0f> 0b e9 50 fe ff ff e8 a2 ae 70 00 66 90 0f 1f 44 00 00 55 48 89
RSP: 0018:ffffc90000200d08 EFLAGS: 00010016
...
<IRQ>
ioc_timer_fn+0x2e0/0x1470
call_timer_fn+0xa1/0x2c0
...
As this happens only when an iocg's hierarchical weight is negligible, its
impact likely is limited to triggering the warnings. Fix it by skipping
resetting inuse of under-weighted debtors.
Signed-off-by: Tejun Heo <tj@kernel.org>
Reported-by: Rik van Riel <riel@surriel.com>
Fixes: c421a3eb2e27 ("blk-iocost: revamp debt handling")
Cc: stable@vger.kernel.org # v5.10+
Link: https://lore.kernel.org/r/YmjODd4aif9BzFuO@slm.duckdns.org
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 7e0815b3e09986d2fe651199363e135b9358132a upstream.
When a XEN_HVM guest uses the XEN PIRQ/Eventchannel mechanism, then
PCI/MSI[-X] masking is solely controlled by the hypervisor, but contrary to
XEN_PV guests this does not disable PCI/MSI[-X] masking in the PCI/MSI
layer.
This can lead to a situation where the PCI/MSI layer masks an MSI[-X]
interrupt and the hypervisor grants the write despite the fact that it
already requested the interrupt. As a consequence interrupt delivery on the
affected device is not happening ever.
Set pci_msi_ignore_mask to prevent that like it's done for XEN_PV guests
already.
Fixes: 809f9267bbab ("xen: map MSIs into pirqs")
Reported-by: Jeremi Piotrowski <jpiotrowski@linux.microsoft.com>
Reported-by: Dusty Mabe <dustymabe@redhat.com>
Reported-by: Salvatore Bonaccorso <carnil@debian.org>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Tested-by: Noah Meyerhans <noahm@debian.org>
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/r/87tuaduxj5.ffs@tglx
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 8ec1442953c66a1d8462cccd8c20b7ba561f5915 upstream.
These patch_text implementations are using stop_machine_cpuslocked
infrastructure with atomic cpu_count. The original idea: When the
master CPU patch_text, the others should wait for it. But current
implementation is using the first CPU as master, which couldn't
guarantee the remaining CPUs are waiting. This patch changes the
last CPU as the master to solve the potential risk.
Signed-off-by: Guo Ren <guoren@linux.alibaba.com>
Signed-off-by: Guo Ren <guoren@kernel.org>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Fixes: 043cb41a85de ("riscv: introduce interfaces to patch kernel code")
Cc: stable@vger.kernel.org
Signed-off-by: Palmer Dabbelt <palmer@rivosinc.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit e4d8a29997731b3bb14059024b24df9f784288d0 upstream.
If we pass too short string to "hex2bin" (and the string size without
the terminating NUL character is even), "hex2bin" reads one byte after
the terminating NUL character. This patch fixes it.
Note that hex_to_bin returns -1 on error and hex2bin return -EINVAL on
error - so we can't just return the variable "hi" or "lo" on error.
This inconsistency may be fixed in the next merge window, but for the
purpose of fixing this bug, we just preserve the existing behavior and
return -1 and -EINVAL.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Fixes: b78049831ffe ("lib: add error checking to hex2bin")
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit e5be15767e7e284351853cbaba80cde8620341fb upstream.
The function hex2bin is used to load cryptographic keys into device
mapper targets dm-crypt and dm-integrity. It should take constant time
independent on the processed data, so that concurrently running
unprivileged code can't infer any information about the keys via
microarchitectural convert channels.
This patch changes the function hex_to_bin so that it contains no
branches and no memory accesses.
Note that this shouldn't cause performance degradation because the size
of the new function is the same as the size of the old function (on
x86-64) - and the new function causes no branch misprediction penalties.
I compile-tested this function with gcc on aarch64 alpha arm hppa hppa64
i386 ia64 m68k mips32 mips64 powerpc powerpc64 riscv sh4 s390x sparc32
sparc64 x86_64 and with clang on aarch64 arm hexagon i386 mips32 mips64
powerpc powerpc64 s390x sparc32 sparc64 x86_64 to verify that there are
no branches in the generated code.
Signed-off-by: Mikulas Patocka <mpatocka@redhat.com>
Cc: stable@vger.kernel.org
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit ac875df4d854ab13d9c4af682a1837a1214fecec upstream.
The Samsung pinctrl drivers depend on OF_GPIO, which is part of GPIOLIB.
ARMv7 Exynos platform selects GPIOLIB and Samsung pinctrl drivers. ARMv8
Exynos selects only the latter leading to possible wrong configuration
on ARMv8 build:
WARNING: unmet direct dependencies detected for PINCTRL_EXYNOS
Depends on [n]: PINCTRL [=y] && OF_GPIO [=n] && (ARCH_EXYNOS [=y] || ARCH_S5PV210 || COMPILE_TEST [=y])
Selected by [y]:
- ARCH_EXYNOS [=y]
Always select the GPIOLIB from the Samsung pinctrl drivers to fix the
issue. This requires removing of OF_GPIO dependency (to avoid recursive
dependency), so add dependency on OF for COMPILE_TEST cases.
Reported-by: Necip Fazil Yildiran <fazilyildiran@gmail.com>
Fixes: eed6b3eb20b9 ("arm64: Split out platform options to separate Kconfig")
Cc: <stable@vger.kernel.org>
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Link: https://lore.kernel.org/r/20220420141407.470955-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 1dc9f1a66e1718479e1c4f95514e1750602a3cb9 upstream.
When ACPI is not enabled, cpuid_topo->llc_id = cpu_topo->llc_id = -1, which
will set llc_sibling 0xff(...), this is misleading.
Don't set llc_sibling(default 0) if we don't know the cache topology.
Reviewed-by: Sudeep Holla <sudeep.holla@arm.com>
Signed-off-by: Wang Qing <wangqing@vivo.com>
Fixes: 37c3ec2d810f ("arm64: topology: divorce MC scheduling domain from core_siblings")
Cc: stable <stable@vger.kernel.org>
Link: https://lore.kernel.org/r/1649644580-54626-1-git-send-email-wangqing@vivo.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 637674fa40059cddcc3ad2212728965072f62ea3 upstream.
The EndRun PTP/1588 dual serial port device is based on the Oxford
Semiconductor OXPCIe952 UART device with the PCI vendor:device ID set
for EndRun Technologies and is therefore driven by a fixed 62.5MHz clock
input derived from the 100MHz PCI Express clock. The clock rate is
divided by the oversampling rate of 16 as it is supplied to the baud
rate generator, yielding the baud base of 3906250.
Replace the incorrect baud base of 4000000 with the right value of
3906250 then, complementing commit 6cbe45d8ac93 ("serial: 8250: Correct
the clock for OxSemi PCIe devices").
Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Cc: stable <stable@kernel.org>
Fixes: 1bc8cde46a159 ("8250_pci: Added driver for Endrun Technologies PTP PCIe card.")
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/alpine.DEB.2.21.2204181515270.9383@angie.orcam.me.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 6e6eebdf5e2455f089ccd000754a0deaeb79af82 upstream.
Sticky MCR bits are lost in console restoration if console suspending
has been disabled. This currently affects the AFE bit, which works in
combination with RTS which we set, so we want to make sure the UART
retains control of its FIFO where previously requested. Also specific
drivers may need other bits in the future.
Signed-off-by: Maciej W. Rozycki <macro@orcam.me.uk>
Fixes: 4516d50aabed ("serial: 8250: Use canary to restart console after suspend")
Cc: stable@vger.kernel.org # v4.0+
Reviewed-by: Andy Shevchenko <andy.shevchenko@gmail.com>
Link: https://lore.kernel.org/r/alpine.DEB.2.21.2204181518490.9383@angie.orcam.me.uk
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 3ee82c6e41f3d2212647ce0bc5a05a0f69097824 upstream.
Commit 76821e222c18 ("serial: imx: ensure that RX irqs are off if RX is
off") accidentally enabled overrun interrupts unconditionally when
deferring DMA enable until after the receiver has been enabled during
startup.
Fix this by using the DMA-initialised instead of DMA-enabled flag to
determine whether overrun interrupts should be enabled.
Note that overrun interrupts are already accounted for in
imx_uart_clear_rx_errors() when using DMA since commit 41d98b5da92f
("serial: imx-serial - update RX error counters when DMA is used").
Fixes: 76821e222c18 ("serial: imx: ensure that RX irqs are off if RX is off")
Cc: stable@vger.kernel.org # 4.17
Cc: Uwe Kleine-König <u.kleine-koenig@pengutronix.de>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20220411081957.7846-1-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit 03e607cbb2931374db1825f371e9c7f28526d3f4 upstream.
While support for working with a vbus was added, the regulator was never
actually gotten (despite what was documented). Fix this by actually
getting the supply from the device tree.
Fixes: 7acc9973e3c4 ("usb: phy: generic: add vbus support")
Cc: stable <stable@kernel.org>
Signed-off-by: Sean Anderson <sean.anderson@seco.com>
Link: https://lore.kernel.org/r/20220425171412.1188485-3-sean.anderson@seco.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit b3fa25de31fb7e9afebe9599b8ff32eda13d7c94 upstream.
Path fixes bug which occurs during resetting endpoint in
__cdns3_gadget_ep_clear_halt function. During resetting endpoint
controller will change HW/DMA owned TRB. It set Abort flag in
trb->control and will change trb->length field. If driver want
to use the aborted trb it must update the changed field in
TRB.
Fixes: 7733f6c32e36 ("usb: cdns3: Add Cadence USB3 DRD Driver")
cc: <stable@vger.kernel.org>
Acked-by: Peter Chen <peter.chen@kernel.org>
Signed-off-by: Pawel Laszczak <pawell@cadence.com>
Link: https://lore.kernel.org/r/20220329084605.4022-1-pawell@cadence.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit c7428dbddcf4ea1919e1c8e15f715b94ca359268 upstream.
If the user sets the usb_request's no_interrupt, then there will be no
completion event for the request. Currently the driver incorrectly uses
the event status of a different request to report the status for a
request with no_interrupt. The dwc3 driver needs to check the TRB status
associated with the request when reporting its status.
Note: this is only applicable to missed_isoc TRB completion status, but
the other status are also listed for completeness/documentation.
Fixes: 6d8a019614f3 ("usb: dwc3: gadget: check for Missed Isoc from event status")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/db2c80108286cfd108adb05bad52138b78d7c3a7.1650673655.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit f4fd84ae0765a80494b28c43b756a95100351a94 upstream.
Make sure not to set run_stop bit or link state change request while
initiating soft-reset. Register read-modify-write operation may
unintentionally start the controller before the initialization completes
with its previous DCTL value, which can cause initialization failure.
Fixes: f59dcab17629 ("usb: dwc3: core: improve reset sequence")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/6aecbd78328f102003d40ccf18ceeebd411d3703.1650594792.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit f28ad9069363dec7deb88032b70612755eed9ee6 upstream.
The current driver logic checks against 0 to determine whether the
periodic tx/rx threshold settings are set, but we may get bogus values
from uninitialized variables if no device property is set. Properly
default these variables to 0.
Fixes: 938a5ad1d305 ("usb: dwc3: Check for ESS TX/RX threshold config")
Cc: <stable@vger.kernel.org>
Signed-off-by: Thinh Nguyen <Thinh.Nguyen@synopsys.com>
Link: https://lore.kernel.org/r/cccfce990b11b730b0dae42f9d217dc6fb988c90.1649727139.git.Thinh.Nguyen@synopsys.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
commit ab7aa2866d295438dc60522f85c5421c6b4f1507 upstream.
If the PHY controller node has a "port" dwc3 tries to find an
extcon device even when "usb-role-switch" is present. This happens
because dwc3_get_extcon() sees that "port" node and then calls
extcon_find_edev_by_node() which will always return EPROBE_DEFER
in that case.
On the other hand, even if an extcon was present and dwc3_get_extcon()
was successful it would still be ignored in favor of "usb-role-switch".
Let's just first check if "usb-role-switch" is configured in the device
tree and directly use it instead and only try to look for an extcon
device otherwise.
Fixes: 8a0a13799744 ("usb: dwc3: Registering a role switch in the DRD code.")
Cc: stable <stable@kernel.org>
Signed-off-by: Sven Peter <sven@svenpeter.dev>
Link: https://lore.kernel.org/r/20220411155300.9766-1-sven@svenpeter.dev
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
