From 3f84307a10b4d9039c5c8f718bcdd0928c9994c1 Mon Sep 17 00:00:00 2001
From: Adrian Bunk <bunk@stusta.de>
Date: Wed, 12 Dec 2007 16:44:54 -0300
Subject: [PATCH] V4L/DVB (6803): buf-core.c locking fixes
After commit 19fb1457990b6b7e15586ec7331541a184233acc the callers in
videobuf-core.c that already hold the lock must call
__videobuf_read_start() instead of videobuf_read_start().
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
---
drivers/media/video/videobuf-core.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/media/video/videobuf-core.c b/drivers/media/video/videobuf-core.c
index 81f77d2b4bd3..c8a5cb57963b 100644
--- a/drivers/media/video/videobuf-core.c
+++ b/drivers/media/video/videobuf-core.c
@@ -909,7 +909,7 @@ ssize_t videobuf_read_stream(struct videobuf_queue *q,
if (q->streaming)
goto done;
if (!q->reading) {
- retval = videobuf_read_start(q);
+ retval = __videobuf_read_start(q);
if (retval < 0)
goto done;
}
@@ -982,7 +982,7 @@ unsigned int videobuf_poll_stream(struct file *file,
struct videobuf_buffer, stream);
} else {
if (!q->reading)
- videobuf_read_start(q);
+ __videobuf_read_start(q);
if (!q->reading) {
rc = POLLERR;
} else if (NULL == q->read_buf) {
--
2.34.1