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>

diff --git a/drivers/block/nvme-core.c b/drivers/block/nvme-core.c
index 9052553eda65eca4253cddd9414209809e0cd242..973c895bd7afdcaecabf95814ed41a16a0c436ae 100644 (file)
--- 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);