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The "fs->location" is a u32 that comes from the user in ethtool_set_rxnfc().
We can't pass unclamped values to test_bit() or it results in an out of
bounds access beyond the end of the bitmap.
Fixes: 7318166cac ("net: dsa: bcm_sf2: Add support for ethtool::rxnfc")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In rxrpc_destroy_all_calls(), there are two phases: (1) make sure the
->calls list is empty, emitting error messages if not, and (2) wait for the
RCU cleanup to happen on outstanding calls (ie. ->nr_calls becomes 0).
To avoid taking the call_lock, the function prechecks ->calls and if empty,
it returns to avoid taking the lock - this is wrong, however: it still
needs to go and do the second phase and wait for ->nr_calls to become 0.
Without this, the rxrpc_net struct may get deallocated before we get to the
RCU cleanup for the last calls. This can lead to:
Slab corruption (Not tainted): kmalloc-16k start=ffff88802b178000, len=16384
050: 6b 6b 6b 6b 6b 6b 6b 6b 61 6b 6b 6b 6b 6b 6b 6b kkkkkkkkakkkkkkk
Note the "61" at offset 0x58. This corresponds to the ->nr_calls member of
struct rxrpc_net (which is >9k in size, and thus allocated out of the 16k
slab).
Fix this by flipping the condition on the if-statement, putting the locked
section inside the if-body and dropping the return from there. The
function will then always go on to wait for the RCU cleanup on outstanding
calls.
Fixes: 2baec2c3f8 ("rxrpc: Support network namespacing")
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Steffen Klassert says:
====================
pull request (net): ipsec 2019-04-30
1) Fix an out-of-bound array accesses in __xfrm_policy_unlink.
From YueHaibing.
2) Reset the secpath on failure in the ESP GRO handlers
to avoid dereferencing an invalid pointer on error.
From Myungho Jung.
3) Add and revert a patch that tried to add rcu annotations
to netns_xfrm. From Su Yanjun.
4) Wait for rcu callbacks before freeing xfrm6_tunnel_spi_kmem.
From Su Yanjun.
5) Fix forgotten vti4 ipip tunnel deregistration.
From Jeremy Sowden:
6) Remove some duplicated log messages in vti4.
From Jeremy Sowden.
7) Don't use IPSEC_PROTO_ANY when flushing states because
this will flush only IPsec portocol speciffic states.
IPPROTO_ROUTING states may remain in the lists when
doing net exit. Fix this by replacing IPSEC_PROTO_ANY
with zero. From Cong Wang.
8) Add length check for UDP encapsulation to fix "Oversized IP packet"
warnings on receive side. From Sabrina Dubroca.
9) Fix xfrm interface lookup when the interface is associated to
a vrf layer 3 master device. From Martin Willi.
10) Reload header pointers after pskb_may_pull() in _decode_session4(),
otherwise we may read from uninitialized memory.
11) Update the documentation about xfrm[46]_gc_thresh, it
is not used anymore after the flowcache removal.
From Nicolas Dichtel.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
When there is no route to an IPv6 dest addr, skb_dst(skb) points
to loopback dev in the case of that the IP6CB(skb)->iif is
enslaved to a vrf. This causes Ip6InNoRoutes to be incremented on the
loopback dev. This also causes the lookup to fail on icmpv6_send() and
the dest unreachable to not sent and Ip6OutNoRoutes gets incremented on
the loopback dev.
To reproduce:
* Gateway configuration:
ip link add dev vrf_258 type vrf table 258
ip link set dev enp0s9 master vrf_258
ip addr add 66:1/64 dev enp0s9
ip -6 route add unreachable default metric 8192 table 258
sysctl -w net.ipv6.conf.all.forwarding=1
sysctl -w net.ipv6.conf.enp0s9.forwarding=1
* Sender configuration:
ip addr add 66::2/64 dev enp0s9
ip -6 route add default via 66::1
and ping 67::1 for example from the sender.
Fix this by counting on the original netdev and reset the skb dst to
force a fresh lookup.
v2: Fix typo of destination address in the repro steps.
v3: Simplify the loopback check (per David Ahern) and use reverse
Christmas tree format (per David Miller).
Signed-off-by: Stephen Suryaputra <ssuryaextr@gmail.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Tested-by: David Ahern <dsahern@gmail.com>
Reviewed-by: David Ahern <dsahern@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Richard and Bruno both reported that my commit added a bug,
and Bruno was able to determine the problem came when a segment
wih a FIN packet was coalesced to a prior one in tcp backlog queue.
It turns out the header prediction in tcp_rcv_established()
looks back to TCP headers in the packet, not in the metadata
(aka TCP_SKB_CB(skb)->tcp_flags)
The fast path in tcp_rcv_established() is not supposed to
handle a FIN flag (it does not call tcp_fin())
Therefore we need to make sure to propagate the FIN flag,
so that the coalesced packet does not go through the fast path,
the same than a GRO packet carrying a FIN flag.
While we are at it, make sure we do not coalesce packets with
RST or SYN, or if they do not have ACK set.
Many thanks to Richard and Bruno for pinpointing the bad commit,
and to Richard for providing a first version of the fix.
Fixes: 4f693b55c3 ("tcp: implement coalescing on backlog queue")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Reported-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Reported-by: Bruno Prémont <bonbons@sysophe.eu>
Signed-off-by: David S. Miller <davem@davemloft.net>
A request for a flowlabel fails in process or user exclusive mode must
fail if the caller pid or uid does not match. Invert the test.
Previously, the test was unsafe wrt PID recycling, but indeed tested
for inequality: fl1->owner != fl->owner
Fixes: 4f82f45730 ("net ip6 flowlabel: Make owner a union of struct pid* and kuid_t")
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stefan Schmidt says:
====================
ieee802154 for net 2019-04-25
An update from ieee802154 for your *net* tree.
Another fix from Kangjie Lu to ensure better checking regmap updates in the
mcr20a driver. Nothing else I have pending for the final release.
If there are any problems let me know.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Currently, the UDP GRO code path does bad things on some edge
conditions - Aggregation can happen even on packet with different
lengths.
Fix the above by rewriting the 'complete' condition for GRO
packets. While at it, note explicitly that we allow merging the
first packet per burst below gso_size.
Reported-by: Sean Tong <seantong114@gmail.com>
Fixes: e20cf8d3f1 ("udp: implement GRO for plain UDP sockets.")
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Jakub Kicinski says:
====================
net/tls: fix data copies in tls_device_reencrypt()
This series fixes the tls_device_reencrypt() which is broken
if record starts in the frags of the message skb.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Fragments may contain data from other records so we have to account
for that when we calculate the destination and max length of copy we
can perform. Note that 'offset' is the offset within the message,
so it can't be passed as offset within the frag..
Here skb_store_bits() would have realised the call is wrong and
simply not copy data.
Fixes: 4799ac81e5 ("tls: Add rx inline crypto offload")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
There is no guarantee the record starts before the skb frags.
If we don't check for this condition copy amount will get
negative, leading to reads and writes to random memory locations.
Familiar hilarity ensues.
Fixes: 4799ac81e5 ("tls: Add rx inline crypto offload")
Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: John Hurley <john.hurley@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Michael Chan says:
====================
bnxt_en: Misc. bug fixes.
6 miscellaneous bug fixes covering several issues in error code paths,
a setup issue for statistics DMA, and an improvement for setting up
multicast address filters.
Please queue these for stable as well.
Patch #5 (bnxt_en: Fix statistics context reservation logic) is for the
most recent 5.0 stable only. Thanks.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
In bnxt_rx_pkt(), if the driver encounters BD errors, it will recycle
the buffers and jump to the end where the uninitailized variable "len"
is referenced. Fix it by adding a new jump label that will skip
the length update. This is the most correct fix since the length
may not be valid when we get this type of error.
Fixes: 6a8788f256 ("bnxt_en: add support for software dynamic interrupt moderation")
Reported-by: Nathan Chancellor <natechancellor@gmail.com>
Cc: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Reviewed-by: Nathan Chancellor <natechancellor@gmail.com>
Tested-by: Nathan Chancellor <natechancellor@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In an earlier commit that fixes the number of stats contexts to
reserve for the RDMA driver, we added a function parameter to pass in
the number of stats contexts to all the relevant functions. The passed
in parameter should have been used to set the enables field of the
firmware message.
Fixes: 780baad44f ("bnxt_en: Reserve 1 stat_ctx for RDMA driver.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If driver determines that extended TX port statistics are not supported
or allocation of the data structure fails, make sure to pass 0 TX stats
size to firmware to disable it. The firmware returned TX stats size should
also be set to 0 for consistency. This will prevent
bnxt_get_ethtool_stats() from accessing the NULL TX stats pointer in
case there is mismatch between firmware and driver.
Fixes: 36e53349b6 ("bnxt_en: Add additional extended port statistics.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
If we encounter errors during open and proceed to clean up,
bnxt_hwrm_ring_free() may crash if the rings we try to free have never
been allocated. bnxt_cp_ring_for_rx() or bnxt_cp_ring_for_tx()
may reference pointers that have not been allocated.
Fix it by checking for valid fw_ring_id first before calling
bnxt_cp_ring_for_rx() or bnxt_cp_ring_for_tx().
Fixes: 2c61d2117e ("bnxt_en: Add helper functions to get firmware CP ring ID.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In the bnxt_init_one() error path, short FW command request memory
is not freed. This patch fixes it.
Fixes: e605db801b ("bnxt_en: Support for Short Firmware Message")
Signed-off-by: Vasundhara Volam <vasundhara-v.volam@broadcom.com>
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The driver builds a list of multicast addresses and sends it to the
firmware when the driver's ndo_set_rx_mode() is called. In rare
cases, the firmware can fail this call if internal resources to
add multicast addresses are exhausted. In that case, we should
try the call again by setting the ALL_MCAST flag which is more
guaranteed to succeed.
Fixes: c0c050c58d ("bnxt_en: New Broadcom ethernet driver.")
Signed-off-by: Michael Chan <michael.chan@broadcom.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
marvell_get_sset_count() returns how many statistics counters there
are. If the PHY supports fibre, there are 3, otherwise two.
marvell_get_strings() does not make this distinction, and always
returns 3 strings. This then often results in writing past the end
of the buffer for the strings.
Fixes: 2170fef78a ("Marvell phy: add field to get errors from fiber link.")
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
When allocating the next family->id it makes more sense to use
idr_alloc_cyclic to avoid re-using a previously used family->id as much
as possible.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Manage the -EPROBE_DEFER error case for "stm32_pwr_wakeup" IRQ.
Signed-off-by: Fabien Dessenne <fabien.dessenne@st.com>
Acked-by: Alexandre TORGUE <alexandre.torgue@st.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Canonical way to fetch sk_user_data from an encap_rcv() handler called
from UDP stack in rcu protected section is to use rcu_dereference_sk_user_data(),
otherwise compiler might read it multiple times.
Fixes: d00fa9adc5 ("il2tp: fix races with tunnel socket close")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: James Chapman <jchapman@katalix.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Alexei Starovoitov says:
====================
pull-request: bpf 2019-04-25
The following pull-request contains BPF updates for your *net* tree.
The main changes are:
1) the bpf verifier fix to properly mark registers in all stack frames, from Paul.
2) preempt_enable_no_resched->preempt_enable fix, from Peter.
3) other misc fixes.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
Unless the very next line is schedule(), or implies it, one must not use
preempt_enable_no_resched(). It can cause a preemption to go missing and
thereby cause arbitrary delays, breaking the PREEMPT=y invariant.
Cc: Roman Gushchin <guro@fb.com>
Cc: Alexei Starovoitov <ast@kernel.org>
Cc: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
The first test case, for pointer null checks, is equivalent to the
following pseudo-code. It checks that the verifier does not complain on
line 6 and recognizes that ptr isn't null.
1: ptr = bpf_map_lookup_elem(map, &key);
2: ret = subprog(ptr) {
3: return ptr != NULL;
4: }
5: if (ret)
6: value = *ptr;
The second test case, for packet bound checks, is equivalent to the
following pseudo-code. It checks that the verifier does not complain on
line 7 and recognizes that the packet is at least 1 byte long.
1: pkt_end = ctx.pkt_end;
2: ptr = ctx.pkt + 8;
3: ret = subprog(ptr, pkt_end) {
4: return ptr <= pkt_end;
5: }
6: if (ret)
7: value = *(u8 *)ctx.pkt;
Signed-off-by: Paul Chaignon <paul.chaignon@orange.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
In case of a null check on a pointer inside a subprog, we should mark all
registers with this pointer as either safe or unknown, in both the current
and previous frames. Currently, only spilled registers and registers in
the current frame are marked. Packet bound checks in subprogs have the
same issue. This patch fixes it to mark registers in previous frames as
well.
A good reproducer for null checks looks as follow:
1: ptr = bpf_map_lookup_elem(map, &key);
2: ret = subprog(ptr) {
3: return ptr != NULL;
4: }
5: if (ret)
6: value = *ptr;
With the above, the verifier will complain on line 6 because it sees ptr
as map_value_or_null despite the null check in subprog 1.
Note that this patch fixes another resulting bug when using
bpf_sk_release():
1: sk = bpf_sk_lookup_tcp(...);
2: subprog(sk) {
3: if (sk)
4: bpf_sk_release(sk);
5: }
6: if (!sk)
7: return 0;
8: return 1;
In the above, mark_ptr_or_null_regs will warn on line 6 because it will
try to free the reference state, even though it was already freed on
line 3.
Fixes: f4d7e40a5b ("bpf: introduce function calls (verification)")
Signed-off-by: Paul Chaignon <paul.chaignon@orange.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Some binaries are generated when building libbpf from tools/lib/bpf/,
namely libbpf.so.0.0.2 and libbpf.so.0.
Add them to the local .gitignore.
Signed-off-by: Matteo Croce <mcroce@redhat.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Song Liu <songliubraving@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
"bpftool map create" has an infinite loop on "while (argc)". The error
case is missing.
Symptoms: when forgetting to type the keyword 'type' in front of 'hash':
$ sudo bpftool map create /sys/fs/bpf/dir/foobar hash key 8 value 8 entries 128
(infinite loop, taking all the CPU)
^C
After the patch:
$ sudo bpftool map create /sys/fs/bpf/dir/foobar hash key 8 value 8 entries 128
Error: unknown arg hash
Fixes: 0b592b5a01 ("tools: bpftool: add map create command")
Signed-off-by: Alban Crequy <alban@kinvolk.io>
Reviewed-by: Quentin Monnet <quentin.monnet@netronome.com>
Acked-by: Song Liu <songliubraving@fb.com>
Reviewed-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Fix sparse warning:
arch/mips/net/ebpf_jit.c:196:5: warning:
symbol 'ebpf_to_mips_reg' was not declared. Should it be static?
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Pull networking fixes from David Miller:
"Just the usual assortment of small'ish fixes:
1) Conntrack timeout is sometimes not initialized properly, from
Alexander Potapenko.
2) Add a reasonable range limit to tcp_min_rtt_wlen to avoid
undefined behavior. From ZhangXiaoxu.
3) des1 field of descriptor in stmmac driver is initialized with the
wrong variable. From Yue Haibing.
4) Increase mlxsw pci sw reset timeout a little bit more, from Ido
Schimmel.
5) Match IOT2000 stmmac devices more accurately, from Su Bao Cheng.
6) Fallback refcount fix in TLS code, from Jakub Kicinski.
7) Fix max MTU check when using XDP in mlx5, from Maxim Mikityanskiy.
8) Fix recursive locking in team driver, from Hangbin Liu.
9) Fix tls_set_device_offload_Rx() deadlock, from Jakub Kicinski.
10) Don't use napi_alloc_frag() outside of softiq context of socionext
driver, from Ilias Apalodimas.
11) MAC address increment overflow in ncsi, from Tao Ren.
12) Fix a regression in 8K/1M pool switching of RDS, from Zhu Yanjun.
13) ipv4_link_failure has to validate the headers that are actually
there because RAW sockets can pass in arbitrary garbage, from Eric
Dumazet"
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (43 commits)
ipv4: add sanity checks in ipv4_link_failure()
net/rose: fix unbound loop in rose_loopback_timer()
rxrpc: fix race condition in rxrpc_input_packet()
net: rds: exchange of 8K and 1M pool
net: vrf: Fix operation not supported when set vrf mac
net/ncsi: handle overflow when incrementing mac address
net: socionext: replace napi_alloc_frag with the netdev variant on init
net: atheros: fix spelling mistake "underun" -> "underrun"
spi: ST ST95HF NFC: declare missing of table
spi: Micrel eth switch: declare missing of table
net: stmmac: move stmmac_check_ether_addr() to driver probe
netfilter: fix nf_l4proto_log_invalid to log invalid packets
netfilter: never get/set skb->tstamp
netfilter: ebtables: CONFIG_COMPAT: drop a bogus WARN_ON
Documentation: decnet: remove reference to CONFIG_DECNET_ROUTE_FWMARK
dt-bindings: add an explanation for internal phy-mode
net/tls: don't leak IV and record seq when offload fails
net/tls: avoid potential deadlock in tls_set_device_offload_rx()
selftests/net: correct the return value for run_afpackettests
team: fix possible recursive locking when add slaves
...
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Merge tag 'leds-for-5.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds
Pull LED update from Jacek Anaszewski:
"A single change to MAINTAINERS:
We announce a new LED reviewer - Dan Murphy"
* tag 'leds-for-5.1-rc7' of git://git.kernel.org/pub/scm/linux/kernel/git/j.anaszewski/linux-leds:
MAINTAINERS: LEDs: Add designated reviewer for LED subsystem
Add a designated reviewer for the LED subsystem as there
are already two maintainers assigned.
Signed-off-by: Dan Murphy <dmurphy@ti.com>
Acked-by: Pavel Machek <pavel@ucw.cz>
Signed-off-by: Jacek Anaszewski <jacek.anaszewski@gmail.com>
Before the commit 490ea5967b ("RDS: IB: move FMR code to its own file"),
when the dirty_count is greater than 9/10 of max_items of 8K pool,
1M pool is used, Vice versa. After the commit 490ea5967b ("RDS: IB: move
FMR code to its own file"), the above is removed. When we make the
following tests.
Server:
rds-stress -r 1.1.1.16 -D 1M
Client:
rds-stress -r 1.1.1.14 -s 1.1.1.16 -D 1M
The following will appear.
"
connecting to 1.1.1.16:4000
negotiated options, tasks will start in 2 seconds
Starting up..header from 1.1.1.166:4001 to id 4001 bogus
..
tsks tx/s rx/s tx+rx K/s mbi K/s mbo K/s tx us/c rtt us
cpu %
1 0 0 0.00 0.00 0.00 0.00 0.00 -1.00
1 0 0 0.00 0.00 0.00 0.00 0.00 -1.00
1 0 0 0.00 0.00 0.00 0.00 0.00 -1.00
1 0 0 0.00 0.00 0.00 0.00 0.00 -1.00
1 0 0 0.00 0.00 0.00 0.00 0.00 -1.00
...
"
So this exchange between 8K and 1M pool is added back.
Fixes: commit 490ea5967b ("RDS: IB: move FMR code to its own file")
Signed-off-by: Zhu Yanjun <yanjun.zhu@oracle.com>
Acked-by: Santosh Shilimkar <santosh.shilimkar@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Vrf device is not able to change mac address now because lack of
ndo_set_mac_address. Complete this in case some apps need to do
this.
Reported-by: Hui Wang <wanghui104@huawei.com>
Signed-off-by: Miaohe Lin <linmiaohe@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
regmap_update_bits could fail and deserves a check.
The patch adds the checks and if it fails, returns its error
code upstream.
Signed-off-by: Kangjie Lu <kjlu@umn.edu>
Reviewed-by: Mukesh Ojha <mojha@codeaurora.org>
Signed-off-by: Stefan Schmidt <stefan@datenfreihafen.org>
Previously BMC's MAC address is calculated by simply adding 1 to the
last byte of network controller's MAC address, and it produces incorrect
result when network controller's MAC address ends with 0xFF.
The problem can be fixed by calling eth_addr_inc() function to increment
MAC address; besides, the MAC address is also validated before assigning
to BMC.
Fixes: cb10c7c0df ("net/ncsi: Add NCSI Broadcom OEM command")
Signed-off-by: Tao Ren <taoren@fb.com>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Samuel Mendoza-Jonas <sam@mendozajonas.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Merge tag 'drm-fixes-2019-04-24' of git://anongit.freedesktop.org/drm/drm
Pull drm regression fixes from Dave Airlie:
"We interrupt your regularly scheduled drm fixes for a regression
special.
The first is for a fix in i915 that had unexpected side effects
fallout in the userspace X.org modesetting driver where X would no
longer start. I got tired of the nitpicking and issued a large hammer
on it. The X.org driver is buggy, but blackscreen regressions are
worse.
The second was an oversight that myself and Gerd should have noticed
better, Gerd is trying to fix this properly, but the regression is too
large to leave, even if the original behaviour is bad in some cases,
it's clearly bad to break a bunch of working use cases.
I'll likely have a regular fixes pull later, but I really wanted to
highlight these"
* tag 'drm-fixes-2019-04-24' of git://anongit.freedesktop.org/drm/drm:
Revert "drm/virtio: drop prime import/export callbacks"
Revert "drm/i915/fbdev: Actually configure untiled displays"
The netdev variant is usable on any context since it disables interrupts.
The napi variant of the call should only be used within softirq context.
Replace napi_alloc_frag on driver init with the correct netdev_alloc_frag
call
Changes since v1:
- Adjusted commit message
Acked-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
Acked-by: Jassi Brar <jaswinder.singh@linaro.org>
Fixes: 4acb20b462 ("net: socionext: different approach on DMA")
Signed-off-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
There are spelling mistakes in structure elements, fix these.
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This patch does more harm than good, as it breaks both Xwayland and
gnome-shell with X11.
Xwayland requires DRI3 & DRI3 requires PRIME.
X11 crash for obscure double-free reason which are hard to debug
(starting X11 by hand doesn't trigger the crash).
I don't see an apparent problem implementing those stub prime
functions, they may return an error at run-time, and it seems to be
handled fine by GNOME at least.
This reverts commit b318e3ff7c.
[airlied:
This broke userspace for virtio-gpus, and regressed things from DRI3 to DRI2.
This brings back the original problem, but it's better than regressions.]
Fixes: b318e3ff7c ("drm/virtio: drop prime import/export callbacks")
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Dave Airlie <airlied@redhat.com>
This reverts commit d179b88deb.
This commit is documented to break userspace X.org modesetting driver in certain configurations.
The X.org modesetting userspace driver is broken. No fixes are available yet. In order for this patch to be applied it either needs a config option or a workaround developed.
This has been reported a few times, saying it's a userspace problem is clearly against the regression rules.
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=109806
Signed-off-by: Dave Airlie <airlied@redhat.com>
Cc: <stable@vger.kernel.org> # v3.19+
lock-notification callbacks, NFSv3 readdir encoding, and the
cache/upcall code.
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Merge tag 'nfsd-5.1-1' of git://linux-nfs.org/~bfields/linux
Pull nfsd bugfixes from Bruce Fields:
"Fix miscellaneous nfsd bugs, in NFSv4.1 callbacks, NFSv4.1
lock-notification callbacks, NFSv3 readdir encoding, and the
cache/upcall code"
* tag 'nfsd-5.1-1' of git://linux-nfs.org/~bfields/linux:
nfsd: wake blocked file lock waiters before sending callback
nfsd: wake waiters blocked on file_lock before deleting it
nfsd: Don't release the callback slot unless it was actually held
nfsd/nfsd3_proc_readdir: fix buffer count and page pointers
sunrpc: don't mark uninitialised items as VALID.
This comes a bit late, but should be in 5.1 anyway: we want the newly
added system calls to be synchronized across all architectures in
the release.
I hope that in the future, any newly added system calls can be added
to all architectures at the same time, and tested there while they
are in linux-next, avoiding dependencies between the architecture
maintainer trees and the tree that contains the new system call.
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Merge tag 'syscalls-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic
Pull syscall numbering updates from Arnd Bergmann:
"arch: add pidfd and io_uring syscalls everywhere
This comes a bit late, but should be in 5.1 anyway: we want the newly
added system calls to be synchronized across all architectures in the
release.
I hope that in the future, any newly added system calls can be added
to all architectures at the same time, and tested there while they are
in linux-next, avoiding dependencies between the architecture
maintainer trees and the tree that contains the new system call"
* tag 'syscalls-5.1' of git://git.kernel.org/pub/scm/linux/kernel/git/arnd/asm-generic:
arch: add pidfd and io_uring syscalls everywhere
Add missing <of_device_id> table for SPI driver relying on SPI
device match since compatible is in a DT binding or in a DTS.
Before this patch:
modinfo drivers/nfc/st95hf/st95hf.ko | grep alias
alias: spi:st95hf
After this patch:
modinfo drivers/nfc/st95hf/st95hf.ko | grep alias
alias: spi:st95hf
alias: of:N*T*Cst,st95hfC*
alias: of:N*T*Cst,st95hf
Reported-by: Javier Martinez Canillas <javier@dowhile0.org>
Signed-off-by: Daniel Gomez <dagmcr@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
