Re: [PATCH V2 linux-next] jffs2: fix sparse warning: unexpected unlock

From: Josh Triplett
Date: Sun Sep 28 2014 - 20:03:13 EST


On Sun, Sep 28, 2014 at 09:26:32PM +0200, Fabian Frederick wrote:
> fs/jffs2/summary.c:846:5: warning: context imbalance in 'jffs2_sum_write_sumnode' - unexpected unlock
>
> Suggested-by: Brian Norris <computersforpeace@xxxxxxxxx>
> Suggested-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>
> Signed-off-by: Fabian Frederick <fabf@xxxxxxxxx>

Reviewed-by: Josh Triplett <josh@xxxxxxxxxxxxxxxx>

> V2: use __must_hold instead of __releases / __acquires
> (suggested by Brian Norris and Josh Triplett)
>
> fs/jffs2/summary.c | 1 +
> 1 file changed, 1 insertion(+)
>
> diff --git a/fs/jffs2/summary.c b/fs/jffs2/summary.c
> index c522d09..bc53854 100644
> --- a/fs/jffs2/summary.c
> +++ b/fs/jffs2/summary.c
> @@ -844,6 +844,7 @@ static int jffs2_sum_write_data(struct jffs2_sb_info *c, struct jffs2_eraseblock
> /* Write out summary information - called from jffs2_do_reserve_space */
>
> int jffs2_sum_write_sumnode(struct jffs2_sb_info *c)
> + __must_hold(&c->erase_completion_block)
> {
> int datasize, infosize, padsize;
> struct jffs2_eraseblock *jeb;
> --
> 1.9.1
>
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