NVMe: Remove check for null

Checking fails static analysis due to additional arithmetic prior to
the NULL check. Mapping doesn't return NULL here anyway, so removing
the check.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>

1 files changed, 0 insertions, 2 deletions

diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c
index 9052553eda65..973c895bd7af 100644
--- a/drivers/block/nvme-core.c
+++ b/drivers/block/nvme-core.c
@@ -517,8 +517,6 @@ static void nvme_dif_remap(struct request *req,
                 return;
 
         pmap = kmap_atomic(bip->bip_vec->bv_page) + bip->bip_vec->bv_offset;
-        if (!pmap)
-                return;
 
         p = pmap;
         virt = bip_get_seed(bip);