Messages in this thread Patch in this message | | | From | Wei Yongjun <> | Subject | [PATCH] goldfish_pipe: use GFP_ATOMIC under spin lock | Date | Sun, 21 May 2017 00:45:46 +0000 |
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From: Wei Yongjun <weiyongjun1@huawei.com>
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> --- drivers/platform/goldfish/goldfish_pipe.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/platform/goldfish/goldfish_pipe.c b/drivers/platform/goldfish/goldfish_pipe.c index 2de1e60..5f36721 100644 --- a/drivers/platform/goldfish/goldfish_pipe.c +++ b/drivers/platform/goldfish/goldfish_pipe.c @@ -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);
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