Re: [PATCH 2/3] V4L: zc0301, remove bad usage of ERESTARTSYS

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acked-by: Luca Risolia <[email protected]>


On Monday 08 October 2007 14:40:53 Jiri Slaby wrote:
> 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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