V4L/DVB (7854): cx18/ivtv: improve and fix out-of-memory handling
- don't show kernel backtrace when the allocation of the buffers fails: the
normal ivtv/cx18 messages are clear enough and the backtrace scares users.
- fix cleanup after the buffer allocation fails (caused kernel panic).
Signed-off-by: Hans Verkuil <hverkuil@xs4all.nl>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
diff --git a/drivers/media/video/cx18/cx18-queue.c b/drivers/media/video/cx18/cx18-queue.c
index 65af1bb..4ef6996 100644
--- a/drivers/media/video/cx18/cx18-queue.c
+++ b/drivers/media/video/cx18/cx18-queue.c
@@ -239,12 +239,12 @@
/* allocate stream buffers. Initially all buffers are in q_free. */
for (i = 0; i < s->buffers; i++) {
- struct cx18_buffer *buf =
- kzalloc(sizeof(struct cx18_buffer), GFP_KERNEL);
+ struct cx18_buffer *buf = kzalloc(sizeof(struct cx18_buffer),
+ GFP_KERNEL|__GFP_NOWARN);
if (buf == NULL)
break;
- buf->buf = kmalloc(s->buf_size, GFP_KERNEL);
+ buf->buf = kmalloc(s->buf_size, GFP_KERNEL|__GFP_NOWARN);
if (buf->buf == NULL) {
kfree(buf);
break;
