Sergei Antonov 246bbf2f97 net: dsa: mv88e6060: prevent crash on an unused port ... If the port isn't a CPU port nor a user port, 'cpu_dp' is a null pointer and a crash happened on dereferencing it in mv88e6060_setup_port(): [ 9.575872] Unable to handle kernel NULL pointer dereference at virtual address 00000014 ... [ 9.942216] mv88e6060_setup from dsa_register_switch+0x814/0xe84 [ 9.948616] dsa_register_switch from mdio_probe+0x2c/0x54 [ 9.954433] mdio_probe from really_probe.part.0+0x98/0x2a0 [ 9.960375] really_probe.part.0 from driver_probe_device+0x30/0x10c [ 9.967029] driver_probe_device from __device_attach_driver+0xb8/0x13c [ 9.973946] __device_attach_driver from bus_for_each_drv+0x90/0xe0 [ 9.980509] bus_for_each_drv from __device_attach+0x110/0x184 [ 9.986632] __device_attach from bus_probe_device+0x8c/0x94 [ 9.992577] bus_probe_device from deferred_probe_work_func+0x78/0xa8 [ 9.999311] deferred_probe_work_func from process_one_work+0x290/0x73c [ 10.006292] process_one_work from worker_thread+0x30/0x4b8 [ 10.012155] worker_thread from kthread+0xd4/0x10c [ 10.017238] kthread from ret_from_fork+0x14/0x3c Fixes: 0abfd494de ("net: dsa: use dedicated CPU port") CC: Vivien Didelot <vivien.didelot@savoirfairelinux.com> CC: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: Sergei Antonov <saproj@gmail.com> Signed-off-by: Vladimir Oltean <olteanv@gmail.com> Link: https://lore.kernel.org/r/20220811070939.1717146-1-saproj@gmail.com Signed-off-by: Jakub Kicinski <kuba@kernel.org>		2022-08-12 17:24:44 -07:00
..
accessibility	TTY / Serial driver changes for 6.0-rc1	2022-08-08 11:31:40 -07:00
acpi	More ACPI updates for 5.20-rc1	2022-08-11 13:26:09 -07:00
amba
android	- The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe	2022-08-05 16:32:45 -07:00
ata	powerpc updates for 6.0	2022-08-06 16:38:17 -07:00
atm	atm: idt77252: fix use-after-free bugs caused by tst_timer	2022-08-08 20:51:59 -07:00
auxdisplay
base	Driver core / kernfs changes for 6.0-rc1	2022-08-04 11:31:20 -07:00
bcma
block	We have a good pile of various fixes and cleanups from Xiubo, Jeff,	2022-08-11 12:41:07 -07:00
bluetooth	SPDX changes for 6.0-rc1	2022-08-04 12:12:54 -07:00
bus	SPDX changes for 6.0-rc1	2022-08-04 12:12:54 -07:00
cdrom
char	s390 updates for 5.20 merge window	2022-08-06 17:05:21 -07:00
clk	The clk core gains a new set of APIs that allow drivers to both acquire clks	2022-08-04 18:40:08 -07:00
clocksource	RISC-V Patches for the 5.20 Merge Window, Part 1	2022-08-06 15:04:48 -07:00
comedi	pci-v5.20-changes	2022-08-04 19:30:35 -07:00
connector
counter
cpufreq	More power management updates for 5.20-rc1	2022-08-08 14:29:00 -07:00
cpuidle	More power management updates for 5.20-rc1	2022-08-08 14:29:00 -07:00
crypto	This update includes the following changes:	2022-08-02 17:45:14 -07:00
cxl	cxl/hdm: Fix skip allocations vs multiple pmem allocations	2022-08-05 16:11:38 -07:00
dax
dca
devfreq	More power management updates for 5.20-rc1	2022-08-08 14:29:00 -07:00
dio
dma	pci-v5.20-changes	2022-08-04 19:30:35 -07:00
dma-buf	drm for 5.20/6.0	2022-08-03 19:52:08 -07:00
edac	powerpc updates for 6.0	2022-08-06 16:38:17 -07:00
eisa
extcon
firewire
firmware	RISC-V Patches for the 5.20 Merge Window, Part 1	2022-08-06 15:04:48 -07:00
fpga
fsi
gnss
gpio	gpio: updates for v6.0-rc1	2022-08-04 18:34:05 -07:00
gpu	More power management updates for 5.20-rc1	2022-08-08 14:29:00 -07:00
greybus
hid	platform-drivers-x86 for v6.0-1	2022-08-04 18:19:14 -07:00
hsi
hte
hv
hwmon	hwmon: (nct6775) Fix platform driver suspend regression	2022-08-10 06:37:01 -07:00
hwspinlock
hwtracing	asm-generic: updates for 6.0	2022-08-05 10:07:23 -07:00
i2c	powerpc updates for 6.0	2022-08-06 16:38:17 -07:00
i3c
idle	Power management updates for 5.20-rc1	2022-08-02 11:17:00 -07:00
iio
infiniband	dma-mapping updates	2022-08-06 10:56:45 -07:00
input	Input updates for 5.20 (6.0) merge window:	2022-08-11 09:23:08 -07:00
interconnect
iommu	Bitmap patches for v6.0-rc1	2022-08-07 17:52:35 -07:00
ipack
irqchip	RISC-V Patches for the 5.20 Merge Window, Part 1	2022-08-06 15:04:48 -07:00
isdn
leds	LED updates for 5.20: new driver for bcm63138, is31fl319x updates,	2022-08-08 11:36:21 -07:00
macintosh
mailbox	- mtk: use rx_callback instead of cmdq_task_cb.	2022-08-08 10:19:40 -07:00
mcb
md	- Add flags argument to dm_bufio_client_create and introduce	2022-08-06 11:09:55 -07:00
media	More power management updates for 5.20-rc1	2022-08-08 14:29:00 -07:00
memory	More power management updates for 5.20-rc1	2022-08-08 14:29:00 -07:00
memstick	MMC core:	2022-08-04 19:41:09 -07:00
message
mfd	- Core Frameworks	2022-08-06 10:25:16 -07:00
misc	- The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe	2022-08-05 16:32:45 -07:00
mmc	MMC core:	2022-08-04 19:41:09 -07:00
most
mtd	MTD core changes:	2022-08-05 14:13:45 -07:00
mux
net	net: dsa: mv88e6060: prevent crash on an unused port	2022-08-12 17:24:44 -07:00
nfc
ntb
nubus
nvdimm	cxl for 6.0	2022-08-10 11:07:26 -07:00
nvme	dma-mapping updates	2022-08-06 10:56:45 -07:00
nvmem	SPDX changes for 6.0-rc1	2022-08-04 12:12:54 -07:00
of	TTY / Serial driver changes for 6.0-rc1	2022-08-08 11:31:40 -07:00
opp	OPP updates for 5.20-rc1	2022-08-03 17:49:38 +02:00
parisc	parisc architecture fixes and updates for kernel v5.20-rc1:	2022-08-05 09:58:58 -07:00
parport
pci	cxl for 6.0	2022-08-10 11:07:26 -07:00
pcmcia
peci
perf
phy	pci-v5.20-changes	2022-08-04 19:30:35 -07:00
pinctrl	Pin control bulk changes for v6.0:	2022-08-10 11:01:44 -07:00
platform	platform-drivers-x86 for v6.0-1	2022-08-04 18:19:14 -07:00
pnp
power	platform-drivers-x86 for v6.0-1	2022-08-04 18:19:14 -07:00
powercap	Power management updates for 5.20-rc1	2022-08-02 11:17:00 -07:00
pps
ps3
ptp	SPDX changes for 6.0-rc1	2022-08-04 12:12:54 -07:00
pwm	SPDX changes for 6.0-rc1	2022-08-04 12:12:54 -07:00
rapidio
ras
regulator	chrome platform changes for 5.20	2022-08-04 18:13:19 -07:00
remoteproc	remoteproc: qcom_q6v5_pas: Do not fail if regulators are not found	2022-08-08 10:32:17 -05:00
reset	ARM: SoC: late updates for 6.0	2022-08-05 10:02:33 -07:00
rpmsg
rtc
s390	Including fixes from bluetooth, bpf, can and netfilter.	2022-08-11 13:45:37 -07:00
sbus
scsi	powerpc updates for 6.0	2022-08-06 16:38:17 -07:00
sh
siox
slimbus
soc	More power management updates for 5.20-rc1	2022-08-08 14:29:00 -07:00
soundwire	sound updates for 6.0-rc1	2022-08-06 10:19:51 -07:00
spi	powerpc updates for 6.0	2022-08-06 16:38:17 -07:00
spmi
ssb
staging	Staging driver patches for 6.0-rc1	2022-08-04 12:01:42 -07:00
target	SCSI misc on 20220804	2022-08-04 19:47:37 -07:00
tc
tee
thermal	More thermal control updates for 5.20-rc1	2022-08-08 14:23:37 -07:00
thunderbolt	USB / Thunderbolt changes for 6.0-rc1	2022-08-04 11:41:28 -07:00
tty	TTY / Serial driver changes for 6.0-rc1	2022-08-08 11:31:40 -07:00
ufs	SCSI misc on 20220804	2022-08-04 19:47:37 -07:00
uio
usb	TTY / Serial driver changes for 6.0-rc1	2022-08-08 11:31:40 -07:00
vdpa
vfio	VFIO updates for v6.0-rc1	2022-08-06 08:59:35 -07:00
vhost	iov_iter: advancing variants of iov_iter_get_pages{,_alloc}()	2022-08-08 22:37:22 -04:00
video	TTY / Serial driver changes for 6.0-rc1	2022-08-08 11:31:40 -07:00
virt	Char / Misc driver changes for 6.0-rc1	2022-08-04 11:05:48 -07:00
virtio	- The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe	2022-08-05 16:32:45 -07:00
vlynq
w1
watchdog	linux-watchdog 5.20-rc1 tag	2022-08-08 15:04:04 -07:00
xen	- The usual batches of cleanups from Baoquan He, Muchun Song, Miaohe	2022-08-05 16:32:45 -07:00
zorro
Kconfig
Makefile	Staging driver patches for 6.0-rc1	2022-08-04 12:01:42 -07:00