[Cluster-devel] [PATCH] GFS2: fix error propagation in init_threads()

[Steven Whitehouse]

Hi,

Now in the -nmw tree. Thanks,

Steve.

On Thu, 2013-06-06 at 01:29 +0400, Alexey Khoroshilov wrote:
> If kthread_run() fails, init_threads() returns
> IS_ERR(p) instead of PTR_ERR(p).
> 
> Found by Linux Driver Verification project (linuxtesting.org).
> 
> Signed-off-by: Alexey Khoroshilov <khoroshilov at ispras.ru>
> ---
>  fs/gfs2/ops_fstype.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/fs/gfs2/ops_fstype.c b/fs/gfs2/ops_fstype.c
> index 60ede2a..0262c19 100644
> --- a/fs/gfs2/ops_fstype.c
> +++ b/fs/gfs2/ops_fstype.c
> @@ -916,16 +916,16 @@ static int init_threads(struct gfs2_sbd *sdp, int undo)
>  		goto fail_quotad;
>  
>  	p = kthread_run(gfs2_logd, sdp, "gfs2_logd");
> -	error = IS_ERR(p);
> -	if (error) {
> +	if (IS_ERR(p)) {
> +		error = PTR_ERR(p);
>  		fs_err(sdp, "can't start logd thread: %d\n", error);
>  		return error;
>  	}
>  	sdp->sd_logd_process = p;
>  
>  	p = kthread_run(gfs2_quotad, sdp, "gfs2_quotad");
> -	error = IS_ERR(p);
> -	if (error) {
> +	if (IS_ERR(p)) {
> +		error = PTR_ERR(p);
>  		fs_err(sdp, "can't start quotad thread: %d\n", error);
>  		goto fail;
>  	}