Re: [PATCH V3 1/2] ocfs2: remove unreasonable unlock

[Joseph Qi]

On 8/20/24 5:45 PM, Lizhi Xu wrote:
> There was a lock release before exiting, so remove the unreasonable unlock.
> 
> Reported-and-tested-by: syzbot+ab134185af9ef88dfed5@xxxxxxxxxxxxxxxxxxxxxxxxx
> Closes: https://syzkaller.appspot.com/bug?extid=ab134185af9ef88dfed5
> Signed-off-by: Lizhi Xu <lizhi.xu@xxxxxxxxxxxxx>
> Reviewed-by: Heming Zhao <heming.zhao@xxxxxxxx>

Reviewed-by: Joseph Qi <joseph.qi@xxxxxxxxxxxxxxxxx>
> ---
>  fs/ocfs2/buffer_head_io.c | 1 -
>  1 file changed, 1 deletion(-)
> 
> diff --git a/fs/ocfs2/buffer_head_io.c b/fs/ocfs2/buffer_head_io.c
> index cdb9b9bdea1f..e62c7e1de4eb 100644
> --- a/fs/ocfs2/buffer_head_io.c
> +++ b/fs/ocfs2/buffer_head_io.c
> @@ -235,7 +235,6 @@ int ocfs2_read_blocks(struct ocfs2_caching_info *ci, u64 block, int nr,
>  		if (bhs[i] == NULL) {
>  			bhs[i] = sb_getblk(sb, block++);
>  			if (bhs[i] == NULL) {
> -				ocfs2_metadata_cache_io_unlock(ci);
>  				status = -ENOMEM;
>  				mlog_errno(status);
>  				/* Don't forget to put previous bh! */