kmem_cache_destroy can correctly handle null pointer parameter,
so there is no need to check if the parameter is null before
calling kmem_cache_destroy.

Signed-off-by: Xianting Tian <redacted>
---
 drivers/scsi/virtio_scsi.c | 6 ++----
 1 file changed, 2 insertions(+), 4 deletions(-)

diff --git a/drivers/scsi/virtio_scsi.c b/drivers/scsi/virtio_scsi.c
index bfec84a..5bc288f 100644
--- a/drivers/scsi/virtio_scsi.c
+++ b/drivers/scsi/virtio_scsi.c

@@ -1007,10 +1007,8 @@ static int __init init(void)
 		mempool_destroy(virtscsi_cmd_pool);
 		virtscsi_cmd_pool = NULL;
 	}
-	if (virtscsi_cmd_cache) {
-		kmem_cache_destroy(virtscsi_cmd_cache);
-		virtscsi_cmd_cache = NULL;
-	}
+	kmem_cache_destroy(virtscsi_cmd_cache);
+	virtscsi_cmd_cache = NULL;
 	return ret;
 }