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goldfish_pipe: use GFP_ATOMIC under spin lock 

The function get_free_pipe_id_locked() is called from
goldfish_pipe_open() with a lock is held, so we should
use GFP_ATOMIC instead of GFP_KERNEL.

Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Wei Yongjun 2017-05-21 00:45:46 +00:00 committed by Greg Kroah-Hartman
parent 2ee1cc7055
commit 3eff8ecd27
1 changed files with 1 additions and 1 deletions
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2
drivers/platform/goldfish/goldfish_pipe.c
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@ -704,7 +704,7 @@ static int get_free_pipe_id_locked(struct goldfish_pipe_dev *dev)
/* Reallocate the array */
u32 new_capacity = 2 * dev->pipes_capacity;
struct goldfish_pipe **pipes =
kcalloc(new_capacity, sizeof(*pipes), GFP_KERNEL);
kcalloc(new_capacity, sizeof(*pipes), GFP_ATOMIC);
if (!pipes)
return -ENOMEM;
memcpy(pipes, dev->pipes, sizeof(*pipes) * dev->pipes_capacity);