[PATCH v2] xen-blkback: Remove needless request_queue NULL pointer check

[Xu Wang <vulab@xxxxxxxxxxx>]

The request_queue pointer returned from bdev_get_queue() shall
never be NULL, so the null check is unnecessary, just remove it.

Signed-off-by: Xu Wang <vulab@xxxxxxxxxxx>
---
Changes since v2:
- Add missing parenthesis.
- Remove another null pointer check.
---
 drivers/block/xen-blkback/xenbus.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/drivers/block/xen-blkback/xenbus.c 
b/drivers/block/xen-blkback/xenbus.c
index 33eba3df4dd9..aac08b4369ac 100644
--- a/drivers/block/xen-blkback/xenbus.c
+++ b/drivers/block/xen-blkback/xenbus.c
@@ -516,10 +516,10 @@ static int xen_vbd_create(struct xen_blkif *blkif, 
blkif_vdev_t handle,
                vbd->type |= VDISK_REMOVABLE;
 
        q = bdev_get_queue(bdev);
-       if (q && test_bit(QUEUE_FLAG_WC, &q->queue_flags))
+       if (test_bit(QUEUE_FLAG_WC, &q->queue_flags))
                vbd->flush_support = true;
 
-       if (q && blk_queue_secure_erase(q))
+       if (blk_queue_secure_erase(q))
                vbd->discard_secure = true;
 
        vbd->feature_gnt_persistent = feature_persistent;
-- 
2.17.1