Thanks for finding it.
On Mon, 25 Apr 2022, Dan Carpenter wrote:
> The "r" variable shadows an earlier "r" that has function scope. It
> means that we accidentally return success instead of an error code.
> Smatch has a warning for this:
>
> drivers/md/dm-integrity.c:4503 dm_integrity_ctr()
> warn: missing error code 'r'
>
> Fixes: 7eada909bfd7 ("dm: add integrity target")
> Signed-off-by: Dan Carpenter <[email protected]>
add:
Cc: [email protected]
Reviewed-by: Mikulas Patocka <[email protected]>
> ---
> drivers/md/dm-integrity.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/drivers/md/dm-integrity.c b/drivers/md/dm-integrity.c
> index 36ae30b73a6e..3d5a0ce123c9 100644
> --- a/drivers/md/dm-integrity.c
> +++ b/drivers/md/dm-integrity.c
> @@ -4494,8 +4494,6 @@ static int dm_integrity_ctr(struct dm_target *ti,
> unsigned argc, char **argv)
> }
>
> if (should_write_sb) {
> - int r;
> -
> init_journal(ic, 0, ic->journal_sections, 0);
> r = dm_integrity_failed(ic);
> if (unlikely(r)) {
> --
> 2.35.1
>
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