zc0301, remove bad usage of ERESTARTSYS
down_read_trylock can't be interrupted and so ERESTARTSYS would reach
userspace, which is not permitted. Change it to EAGAIN
Signed-off-by: Jiri Slaby <[email protected]>
---
commit 235cf594bc65128250632a642f3e9d7e4df4975e
tree 0557746416827daeb4d829610fec2f0c9111a675
parent db38c559d37219c32b179ae005ca7e489336ec94
author Jiri Slaby <[email protected]> Mon, 08 Oct 2007 14:15:47 +0200
committer Jiri Slaby <[email protected]> Mon, 08 Oct 2007 14:15:47 +0200
drivers/media/video/zc0301/zc0301_core.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/drivers/media/video/zc0301/zc0301_core.c b/drivers/media/video/zc0301/zc0301_core.c
index 35138c5..08a93c3 100644
--- a/drivers/media/video/zc0301/zc0301_core.c
+++ b/drivers/media/video/zc0301/zc0301_core.c
@@ -655,7 +655,7 @@ static int zc0301_open(struct inode* inode, struct file* filp)
int err = 0;
if (!down_read_trylock(&zc0301_dev_lock))
- return -ERESTARTSYS;
+ return -EAGAIN;
cam = video_get_drvdata(video_devdata(filp));
-
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