dm dust: remove redundant unsigned comparison to less than zero

Variable block is an unsigned long long hence the less than zero
comparison is always false, hence it is redundant and can be removed.

Addresses-Coverity: ("Unsigned compared against 0")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Reviewed-by: Bryan Gurney <bgurney@redhat.com>
Signed-off-by: Mike Snitzer <snitzer@redhat.com>

diff --git a/drivers/md/dm-dust.c b/drivers/md/dm-dust.c
index 178587bdc62683021fd0a99d84b0c248338e7648..e739092bfc65ea2a6b52888341edb16bc98e6a0a 100644 (file)
--- a/drivers/md/dm-dust.c
+++ b/drivers/md/dm-dust.c
@@ -411,7 +411,7 @@ static int dust_message(struct dm_target *ti, unsigned int argc, char **argv,
 
                block = tmp;
                sector_div(size, dd->sect_per_block);
-               if (block > size || block < 0) {
+               if (block > size) {
                        DMERR("selected block value out of range");
                        return result;
                }