rbd: drop needless test in rbd_rq_fn()

There's a test for null rq pointer inside the while loop in
rbd_rq_fn() that's not needed.  That same test already occurred
in the immediatly preceding loop condition test.

Signed-off-by: Alex Elder <elder@inktank.com>
Reviewed-by: Yehuda Sadeh <yehuda@inktank.com>

1 files changed, 0 insertions, 4 deletions

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 43f6ef8d696f..3475bb2e03ab 100644
--- a/drivers/block/rbd.c
+++ b/drivers/block/rbd.c
@@ -1475,10 +1475,6 @@ static void rbd_rq_fn(struct request_queue *q)
                 struct rbd_req_coll *coll;
                 struct ceph_snap_context *snapc;
 
-                /* peek at request from block layer */
-                if (!rq)
-                        break;
-
                 dout("fetched request\n");
 
                 /* filter out block requests we don't understand */