aboutsummaryrefslogtreecommitdiffstats
path: root/drivers/block/null_blk.c
diff options
context:
space:
mode:
authorJens Axboe <axboe@fb.com>2014-11-18 21:43:46 -0500
committerJens Axboe <axboe@fb.com>2014-11-18 21:43:46 -0500
commitb3521729769ec71567a2e32a38609f87e781e41b (patch)
tree66a8494968706420c3eb043caa5868702d440d18 /drivers/block/null_blk.c
parent139768895309c6c1d6913e909e9c9422f81a1640 (diff)
parentfc14f9c1272f62c3e8d01300f52467c0d9af50f9 (diff)
Merge branch 'master' into for-3.19/drivers
Diffstat (limited to 'drivers/block/null_blk.c')
-rw-r--r--drivers/block/null_blk.c14
1 files changed, 7 insertions, 7 deletions
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c
index 8433bc8ead3d..caa61212fdb5 100644
--- a/drivers/block/null_blk.c
+++ b/drivers/block/null_blk.c
@@ -450,14 +450,10 @@ static int init_driver_queues(struct nullb *nullb)
450 450
451 ret = setup_commands(nq); 451 ret = setup_commands(nq);
452 if (ret) 452 if (ret)
453 goto err_queue; 453 return ret;
454 nullb->nr_queues++; 454 nullb->nr_queues++;
455 } 455 }
456
457 return 0; 456 return 0;
458err_queue:
459 cleanup_queues(nullb);
460 return ret;
461} 457}
462 458
463static int null_add_dev(void) 459static int null_add_dev(void)
@@ -507,7 +503,9 @@ static int null_add_dev(void)
507 goto out_cleanup_queues; 503 goto out_cleanup_queues;
508 } 504 }
509 blk_queue_make_request(nullb->q, null_queue_bio); 505 blk_queue_make_request(nullb->q, null_queue_bio);
510 init_driver_queues(nullb); 506 rv = init_driver_queues(nullb);
507 if (rv)
508 goto out_cleanup_blk_queue;
511 } else { 509 } else {
512 nullb->q = blk_init_queue_node(null_request_fn, &nullb->lock, home_node); 510 nullb->q = blk_init_queue_node(null_request_fn, &nullb->lock, home_node);
513 if (!nullb->q) { 511 if (!nullb->q) {
@@ -516,7 +514,9 @@ static int null_add_dev(void)
516 } 514 }
517 blk_queue_prep_rq(nullb->q, null_rq_prep_fn); 515 blk_queue_prep_rq(nullb->q, null_rq_prep_fn);
518 blk_queue_softirq_done(nullb->q, null_softirq_done_fn); 516 blk_queue_softirq_done(nullb->q, null_softirq_done_fn);
519 init_driver_queues(nullb); 517 rv = init_driver_queues(nullb);
518 if (rv)
519 goto out_cleanup_blk_queue;
520 } 520 }
521 521
522 nullb->q->queuedata = nullb; 522 nullb->q->queuedata = nullb;