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(parent: b7f7385) | patch
usb: dwc3: keystone: check return value
authorPan Bian <bianpan2016@163.com>
Sun, 23 Apr 2017 05:55:13 +0000 (13:55 +0800)
committerFelipe Balbi <felipe.balbi@linux.intel.com>
Tue, 16 May 2017 11:11:04 +0000 (14:11 +0300)
commit018047a1dba7636e1f7fdae2cc290a528991d648
treee4e4275636014062a31e542e81c7b1ac03fcf026tree | snapshot
parentb7f73850bb4fac1e2209a4dd5e636d39be92f42ccommit | diff
usb: dwc3: keystone: check return value

Function devm_clk_get() returns an ERR_PTR when it fails. However, in
function kdwc3_probe(), its return value is not checked, which may
result in a bad memory access bug. This patch fixes the bug.

Signed-off-by: Pan Bian <bianpan2016@163.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
drivers/usb/dwc3/dwc3-keystone.c diff | blob | blame | history
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git