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(parent: 35cf284) | patch
mISDN: Fix a sleep-in-atomic bug
authorJia-Ju Bai <baijiaju1990@163.com>
Wed, 31 May 2017 07:08:25 +0000 (15:08 +0800)
committerDavid S. Miller <davem@davemloft.net>
Thu, 1 Jun 2017 18:49:47 +0000 (14:49 -0400)
commit93818da5eed63fbc17b64080406ea53b86b23309
treeffe9549d810ab6446a47219fd4ee7d0a7b1979fetree | snapshot
parent35cf2845563c1aaa01d27bd34d64795c4ae72700commit | diff
mISDN: Fix a sleep-in-atomic bug

The driver may sleep under a read spin lock, and the function call path is:
send_socklist (acquire the lock by read_lock)
  skb_copy(GFP_KERNEL) --> may sleep

To fix it, the "GFP_KERNEL" is replaced with "GFP_ATOMIC".

Signed-off-by: Jia-Ju Bai <baijiaju1990@163.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
drivers/isdn/mISDN/stack.c diff | blob | history
ep93xx device tree rework repo: git://git.maquefel.me/linux.git