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Russell King 126d6848ef sfp: fix oops with ethtool -m 
If a network interface is created prior to the SFP socket being
available, ethtool can request module information.  This unfortunately
leads to an oops:

Unable to handle kernel NULL pointer dereference at virtual address 00000008
pgd = (ptrval)
[00000008] *pgd=7c400831, *pte=00000000, *ppte=00000000
Internal error: Oops: 17 [#1] SMP ARM
Modules linked in:
CPU: 0 PID: 1480 Comm: ethtool Not tainted 4.19.0-rc3 #138
Hardware name: Broadcom Northstar Plus SoC
PC is at sfp_get_module_info+0x8/0x10
LR is at dev_ethtool+0x218c/0x2afc

Fix this by not filling in the network device's SFP bus pointer until
SFP is fully bound, thereby avoiding the core calling into the SFP bus
code.

Fixes: ce0aa27ff3f6 ("sfp: add sfp-bus to bridge between network devices and sfp cages")
Reported-by: Florian Fainelli <f.fainelli@gmail.com>
Tested-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-09-18 20:14:19 -07:00
..
accessibility
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acpi
Merge branch 'acpi-bus'
2018-09-07 10:05:20 +02:00
amba
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android
android: binder: fix the race mmap and alloc_new_buf_locked
2018-09-12 09:18:29 +02:00
ata
SCSI fixes on 20180905
2018-09-05 09:17:20 -07:00
atm
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auxdisplay
Char/Misc driver patches for 4.19-rc1
2018-08-18 11:04:51 -07:00
base
firmware: Fix security issue with request_firmware_into_buf()
2018-09-12 09:31:00 +02:00
bcma
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block
for-linus-20180913
2018-09-13 19:16:11 -10:00
bluetooth
Bluetooth: hci_ldisc: Free rw_semaphore on close
2018-09-11 13:33:57 +02:00
bus
Merge branch 'perm-fix' into omap-for-v4.19/fixes-v2
2018-08-28 09:58:03 -07:00
cdrom
cdrom: Fix info leak/OOB read in cdrom_ioctl_drive_status
2018-08-29 08:09:20 -06:00
char
A few fixes that came around or after the merge window, except
2018-09-12 19:33:56 -10:00
clk
clk: x86: Stop marking clocks as CLK_IS_CRITICAL
2018-09-17 18:47:58 -07:00
clocksource
RISC-V Updates for the 4.19 Merge Window
2018-08-19 09:56:38 -07:00
connector
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cpufreq
ARM: SoC driver updates
2018-08-23 13:52:46 -07:00
cpuidle
cpuidle: menu: Retain tick when shallow state is selected
2018-08-25 13:16:08 +02:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2018-08-29 13:38:39 -07:00
dax
drivers/dax/device.c: convert variable to vm_fault_t type
2018-09-04 16:45:02 -07:00
dca
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devfreq
Char/Misc driver patches for 4.19-rc1
2018-08-18 11:04:51 -07:00
dio
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dma
dmaengine: mic_x100_dma: use devm_kzalloc to fix an issue
2018-08-27 11:16:04 +05:30
dma-buf
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edac
EDAC: Add missing MEM_LRDDR4 entry in edac_mem_types[]
2018-08-17 15:13:34 +02:00
eisa
…
extcon
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firewire
firewire: use 64-bit time_t based interfaces
2018-08-17 16:20:27 -07:00
firmware
firmware: arm_scmi: fix divide by zero when sustained_perf_level is zero
2018-09-06 09:59:40 -07:00
fmc
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fpga
fpga: dfl: fme: fix return value check in in pr_mgmt_init()
2018-09-12 09:31:00 +02:00
fsi
fsi: sbefifo: Bump max command length
2018-08-08 15:44:47 +10:00
gnss
…
gpio
gpio: Fix crash due to registration race
2018-08-31 11:30:45 +02:00
gpu
Merge branch 'linux-4.19' of git://github.com/skeggsb/linux into drm-fixes
2018-09-14 09:38:42 +10:00
hid
HID: i2c-hid: Don't reset device upon system resume
2018-09-06 16:30:53 +02:00
hsi
…
hv
vmbus: don't return values for uninitalized channels
2018-09-12 09:31:00 +02:00
hwmon
ARM: SoC fixes
2018-09-08 15:38:57 -07:00
hwspinlock
hwspinlock: Fix incorrect return pointers
2018-07-30 20:54:51 -07:00
hwtracing
drivers/hwtracing/intel_th/msu.c: change return type to vm_fault_t
2018-08-23 18:48:43 -07:00
i2c
i2c: xiic: Make the start and the byte count write atomic
2018-09-06 20:49:09 +02:00
ide
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide
2018-08-22 07:40:33 -07:00
idle
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iio
First set of IIO fixes for the 4.19 cycle.
2018-09-09 09:33:29 +02:00
infiniband
pci-v4.19-fixes-1
2018-09-12 19:39:56 -10:00
input
ARM: 32-bit SoC platform updates
2018-08-23 13:44:43 -07:00
iommu
ARM: SoC: late updates
2018-08-25 14:12:36 -07:00
ipack
…
irqchip
irqchip/gic-v3-its: Cap lpi_id_bits to reduce memory footprint
2018-09-06 20:31:59 +02:00
isdn
isdn: Disable IIOCDBGVAR
2018-08-16 12:26:24 -07:00
leds
leds: ns2: Change unsigned to unsigned int
2018-08-06 23:03:12 +02:00
lightnvm
…
macintosh
macintosh: therm_windtunnel: drop using attach_adapter
2018-08-24 14:42:42 +02:00
mailbox
mailbox: Add support for i.MX messaging unit
2018-08-15 09:53:07 +05:30
mcb
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md
- DM verity fix for crash due to using vmalloc'd buffers with the
2018-09-13 19:12:55 -10:00
media
Merge branch 'ida-4.19' of git://git.infradead.org/users/willy/linux-dax
2018-08-26 11:48:42 -07:00
memory
memory: ti-aemif: fix a potential NULL-pointer dereference
2018-09-06 10:04:07 -07:00
memstick
…
message
scsi: message: fusion: Replace GFP_ATOMIC with GFP_KERNEL
2018-07-30 23:17:53 -04:00
mfd
Merge branch 'i2c/for-4.19' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux
2018-08-21 17:40:46 -07:00
misc
misc: hmc6352: fix potential Spectre v1
2018-09-12 09:31:00 +02:00
mmc
mmc: meson-mx-sdio: fix OF child-node lookup
2018-09-05 08:28:45 +02:00
mtd
mtd: rawnand: denali: do not pass zero maxchips to nand_scan()
2018-08-27 20:41:46 +02:00
mux
mux: adgs1408: new driver for Analog Devices ADGS1408/1409 mux
2018-08-02 10:23:02 +02:00
net
sfp: fix oops with ethtool -m
2018-09-18 20:14:19 -07:00
nfc
…
ntb
…
nubus
…
nvdimm
libnvdimm-for-4.19_dax-memory-failure
2018-08-25 18:43:59 -07:00
nvme
nvmet-rdma: fix possible bogus dereference under heavy load
2018-09-05 12:18:01 -07:00
nvmem
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of
Devicetree fixes for 4.19, part 2:
2018-09-14 13:03:17 -10:00
opp
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oprofile
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parisc
…
parport
Char/Misc driver patches for 4.19-rc1
2018-08-18 11:04:51 -07:00
pci
Merge gitolite.kernel.org:/pub/scm/linux/kernel/git/davem/net
2018-09-18 09:31:53 +02:00
pcmcia
pcmcia: remove long deprecated pcmcia_request_exclusive_irq() function
2018-08-18 12:30:42 -07:00
perf
Char/Misc driver patches for 4.19-rc1
2018-08-18 11:04:51 -07:00
phy
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pinctrl
pinctrl: madera: Fix possible NULL pointer with pdata config
2018-08-29 14:02:47 +02:00
platform
platform-drivers-x86 for v4.19-1
2018-08-22 14:14:15 -07:00
pnp
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power
treewide: convert ISO_8859-1 text comments to utf-8
2018-08-23 18:48:43 -07:00
powercap
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pps
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ps3
…
ptp
Char/Misc driver patches for 4.19-rc1
2018-08-18 11:04:51 -07:00
pwm
pwm: mediatek: Add MT7628 support
2018-08-20 11:36:07 +02:00
rapidio
drivers/rapidio/devices/rio_mport_cdev.c: remove redundant pointer md
2018-08-22 10:52:51 -07:00
ras
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regulator
- New Drivers
2018-08-20 15:38:44 -07:00
remoteproc
remoteproc/davinci: use the reset framework
2018-08-16 17:39:55 -07:00
reset
ARM: SoC: late updates
2018-08-25 14:12:36 -07:00
rpmsg
rpmsg: Add compat ioctl for rpmsg char driver
2018-07-30 23:40:23 -07:00
rtc
RTC for 4.19
2018-08-20 16:30:27 -07:00
s390
s390 fixes for 4.19-rc4
2018-09-13 16:22:24 -10:00
sbus
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scsi
scsi: qedi: Add the CRC size within iSCSI NVM image
2018-08-30 07:15:22 -04:00
sfi
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sh
sh: introduce a sh_cacheop_vaddr helper
2018-08-02 13:54:06 +02:00
siox
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slimbus
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sn
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soc
ARM: Device-tree updates
2018-08-23 14:02:22 -07:00
soundwire
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spi
spi: Fixes for v4.19
2018-09-17 22:34:25 +02:00
spmi
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ssb
ssb: Remove SSB_WARN_ON, SSB_BUG_ON and SSB_DEBUG
2018-08-09 18:47:47 +03:00
staging
staging: vboxvideo: Change address of scanout buffer on page-flip
2018-09-11 18:39:54 +02:00
target
scsi: iscsi: target: Fix conn_ops double free
2018-08-30 07:07:12 -04:00
tc
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tee
ARM: SoC driver updates
2018-08-23 13:52:46 -07:00
thermal
Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/evalenti/linux-soc-thermal
2018-08-28 16:11:34 -07:00
thunderbolt
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tty
tty: hvc: hvc_write() fix break condition
2018-09-10 18:04:31 +02:00
uio
Char/Misc fix for 4.19-rc1
2018-08-19 09:30:44 -07:00
usb
Revert "cdc-acm: implement put_char() and flush_chars()"
2018-09-10 20:40:29 +02:00
uwb
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vfio
powerpc updates for 4.19
2018-08-17 11:32:50 -07:00
vhost
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
2018-08-27 11:59:39 -07:00
video
fbdev changes for v4.19:
2018-08-23 15:44:58 -07:00
virt
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virtio
virtio, vhost: fixes, tweaks
2018-08-24 08:45:19 -07:00
visorbus
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vlynq
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vme
…
w1
power supply and reset changes for the v4.19 series
2018-08-21 18:06:27 -07:00
watchdog
include/linux/compiler*.h: make compiler-*.h mutually exclusive
2018-08-22 17:31:34 -07:00
xen
xen/gntdev: fix up blockable calls to mn_invl_range_start
2018-09-14 08:52:30 -04:00
zorro
…
Kconfig
…
Makefile
Char/Misc driver patches for 4.19-rc1
2018-08-18 11:04:51 -07:00