Re: [PATCH][next] ext2: remove redundant assignment to variable desc

From: Dan Carpenter
Date: Fri Jun 30 2023 - 12:47:27 EST


On Fri, Jun 30, 2023 at 05:30:33PM +0100, Colin Ian King wrote:
> Variable desc is being assigned a value that is never read, the exit
> via label found immeditely returns with no access to desc. The
> assignment is redundant and can be removed. Cleans up clang scan
> muild warning:
>
> fs/ext2/ialloc.c:297:4: warning: Value stored to 'desc' is never
> read [deadcode.DeadStores]
>
> Signed-off-by: Colin Ian King <colin.i.king@xxxxxxxxx>
> ---
> fs/ext2/ialloc.c | 1 -
> 1 file changed, 1 deletion(-)
>
> diff --git a/fs/ext2/ialloc.c b/fs/ext2/ialloc.c
> index a4e1d7a9c544..f50beb77d6ba 100644
> --- a/fs/ext2/ialloc.c
> +++ b/fs/ext2/ialloc.c
> @@ -294,7 +294,6 @@ static int find_group_orlov(struct super_block *sb, struct inode *parent)
> best_desc = desc;
> }
> if (best_group >= 0) {
> - desc = best_desc;

You should get rid of the "best_desc" variable as well.

regards,
dan carpenter