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Adam Ford faf29338f3 clk: vc5: Add memory check to prevent oops 
When getting the names of the child nodes, kasprintf is used to
allocate memory which is used to create the string for the node
name.  Unfortunately, there is no memory check to determine
if this allocation fails, it may cause an error when trying
to get child node name.

This patch will check if the memory allocation fails, and returns
and -ENOMEM error instead of blindly moving on.

Fixes: 260249f929 ("clk: vc5: Enable addition output configurations of the Versaclock")

Suggested-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Luca Ceresoli <luca@lucaceresoli.net>
Link: https://lore.kernel.org/r/20200716122620.4538-1-aford173@gmail.com
Signed-off-by: Stephen Boyd <sboyd@kernel.org>
History 2020-07-22 18:47:57 -07:00
..
accessibility treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
acpi libnvdimm for 5.8 2020-06-13 13:04:36 -07:00
amba ARM: SoC changes for v5.8 2020-06-04 19:47:11 -07:00
android treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
ata treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
atm treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
auxdisplay treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
base linux-kselftest-kunit-5.8-rc1 2020-06-09 10:04:47 -07:00
bcma Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-01-28 16:02:33 -08:00
block Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
bluetooth Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net-next 2020-06-03 16:27:18 -07:00
bus Char/Misc driver patches for 5.8-rc1 2020-06-07 10:59:32 -07:00
cdrom Merge branch 'work.sysctl' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2020-06-10 16:05:54 -07:00
char treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
clk clk: vc5: Add memory check to prevent oops 2020-07-22 18:47:57 -07:00
clocksource clocksource/drivers/timer-riscv: Use per-CPU timer interrupt 2020-06-09 19:11:22 -07:00
connector treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
counter counter: 104-quad-8: Add lock guards - generic interface 2020-04-19 17:50:00 +01:00
cpufreq treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
cpuidle - Add the hwmon support on the i.MX SC (Anson Huang) 2020-06-12 14:10:21 -07:00
crypto Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-06-13 16:27:13 -07:00
dax device-dax: add memory via add_memory_driver_managed() 2020-06-04 19:06:23 -07:00
dca dca: Use PTR_ERR_OR_ZERO() to simplify code 2020-05-15 16:25:20 +02:00
devfreq PM / devfreq: Use lockdep asserts instead of manual checks for locked mutex 2020-05-28 18:02:40 +09:00
dio dio: Fix dio_bus_match() kerneldoc 2020-03-09 11:12:19 +01:00
dma treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
dma-buf treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
edac Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
eisa treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
extcon extcon: arizona: Fix runtime PM imbalance on error 2020-05-29 17:36:02 +09:00
firewire firewire: switch ioctl_queue_iso to use of copy_from_user() 2020-04-23 10:51:05 -04:00
firmware Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
fpga Char/Misc driver patches for 5.8-rc1 2020-06-07 10:59:32 -07:00
fsi treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
gnss treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
gpio treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
gpu Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
greybus treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
hid treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
hsi treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
hv hyperv-next for 5.8 2020-06-03 15:00:05 -07:00
hwmon Merge branch 'x86/entry' into ras/core 2020-06-11 15:17:57 +02:00
hwspinlock hwspinlock: hwspinlock_internal.h: Replace zero-length array with flexible-array member 2020-03-25 22:30:46 -07:00
hwtracing Char/Misc driver patches for 5.8-rc1 2020-06-07 10:59:32 -07:00
i2c Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
i3c i3c master: GETMRL's 3rd byte is optional even with BCR_IBI_PAYLOAD 2020-04-16 14:27:46 +02:00
ide treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
idle Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2020-03-30 16:40:08 -07:00
iio treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
infiniband treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
input treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
interconnect More power management updates for 5.8-rc1 2020-06-10 14:04:39 -07:00
iommu Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
ipack treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
irqchip clocksource/drivers/timer-riscv: Use per-CPU timer interrupt 2020-06-09 19:11:22 -07:00
isdn treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
leds LEDs pull request for 5.8-rc1. 2020-06-04 11:03:45 -07:00
lightnvm for-5.8/block-2020-06-01 2020-06-02 15:29:19 -07:00
macintosh treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
mailbox mailbox: qcom: Add ipq6018 apcs compatible 2020-06-10 22:43:57 -05:00
mcb drivers: mcb: use symbol namespaces 2019-11-03 19:54:53 +01:00
md treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
media Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
memory Merge branch 'baikal/drivers' into arm/drivers 2020-05-28 14:18:11 +02:00
memstick pci-v5.5-changes 2019-12-03 13:58:22 -08:00
message treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
mfd treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
misc treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
mmc treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
most most: core: use function subsys_initcall() 2020-04-28 15:04:09 +02:00
mtd This pull request contains a single change for UBI: 2020-06-10 13:24:40 -07:00
mux drivers: Introduce device lookup variants by of_node 2019-07-30 13:07:41 +02:00
net Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net 2020-06-13 16:27:13 -07:00
nfc treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
ntb NTB: perf: Fix race condition when run with ntb_test 2020-06-05 20:02:09 -04:00
nubus nubus: Remove cast to void pointer 2019-10-21 09:08:15 +02:00
nvdimm libnvdimm for 5.8 2020-06-13 13:04:36 -07:00
nvme Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
nvmem nvmem: qfprom: remove incorrect write support 2020-05-27 11:09:26 +02:00
of Driver core patches for 5.8-rc1 2020-06-07 10:53:36 -07:00
opp treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
oprofile mmap locking API: convert mmap_sem comments 2020-06-09 09:39:14 -07:00
parisc parisc: Replace setup_irq() by request_irq() 2020-04-05 22:05:23 +02:00
parport treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
pci Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
pcmcia treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
perf arm64 merge window fixes for -rc1 2020-06-11 12:53:23 -07:00
phy USB: changes for v5.8 merge window 2020-05-25 13:28:20 +02:00
pinctrl This is the bulk of pin control changes for the v5.8 2020-06-07 16:13:43 -07:00
platform Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
pnp treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
power power supply and reset changes for the v5.8 series 2020-06-10 11:28:35 -07:00
powercap Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
pps treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
ps3 drivers/ps3: Remove duplicate error messages 2020-05-19 00:10:35 +10:00
ptp treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
pwm pwm: Add missing "CONFIG_" prefix 2020-06-04 19:09:28 +02:00
rapidio treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
ras x86/mce: Fix all mce notifiers to update the mce->kflags bitmask 2020-04-14 15:59:26 +02:00
regulator Merge remote-tracking branch 'regulator/for-5.8' into regulator-linus 2020-06-01 13:01:44 +01:00
remoteproc remoteproc updates for v5.8 2020-06-08 13:01:08 -07:00
reset Char/Misc driver patches for 5.8-rc1 2020-06-07 10:59:32 -07:00
rpmsg remoteproc updates for v5.8 2020-06-08 13:01:08 -07:00
rtc RTC for 5.8 2020-06-07 16:11:23 -07:00
s390 s390 updates for the 5.8 merge window 2020-06-08 12:05:31 -07:00
sbus treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
scsi Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
sfi treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
sh remove ioremap_nocache and devm_ioremap_nocache 2020-01-06 09:45:59 +01:00
siox siox: Use the correct style for SPDX License Identifier 2020-01-14 21:46:53 +01:00
slimbus slimbus: core: Fix mismatch in of_node_get/put 2020-05-15 16:21:08 +02:00
soc treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
soundwire soundwire: intel: use a single module 2020-05-20 19:24:55 +05:30
spi Char/Misc driver patches for 5.8-rc1 2020-06-07 10:59:32 -07:00
spmi spmi: pmic-arb: Set lockdep class for hierarchical irq domains 2020-02-10 13:16:04 +01:00
ssb ssb: scan: fix block comments coding style issues 2020-04-28 12:02:22 +03:00
staging Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
target Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
tc The main MIPS changes for 5.6: 2020-01-31 11:28:31 -08:00
tee mmap locking API: use coccinelle to convert mmap_sem rwsem call sites 2020-06-09 09:39:14 -07:00
thermal - Add the hwmon support on the i.MX SC (Anson Huang) 2020-06-12 14:10:21 -07:00
thunderbolt USB/PHY driver updates for 5.8-rc1 2020-06-07 09:42:16 -07:00
tty treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
uio uio_hv_generic: add missed sysfs_remove_bin_file 2020-05-15 16:13:19 +02:00
usb Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
vdpa ifcvf: implement config interrupt in IFCVF 2020-06-06 16:26:47 -04:00
vfio kernel: better document the use_mm/unuse_mm API contract 2020-06-10 19:14:18 -07:00
vhost Kbuild updates for v5.8 (2nd) 2020-06-13 13:29:16 -07:00
video treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
virt treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
virtio treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
visorbus treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
vlynq treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 102 2019-05-24 17:39:00 +02:00
vme treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
w1 treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
watchdog treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
xen The X86 entry, exception and interrupt code rework 2020-06-13 10:05:47 -07:00
zorro treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
Kconfig virtio: fixes, vdpa 2020-04-08 10:51:53 -07:00
Makefile virtio: fixes, vdpa 2020-04-08 10:51:53 -07:00