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>

diff --git a/drivers/block/rbd.c b/drivers/block/rbd.c
index 43f6ef8..3475bb2 100644 (file)
--- 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 */