diff options
| author | Ingo Molnar <mingo@kernel.org> | 2015-07-31 11:23:35 +0300 |
|---|---|---|
| committer | Ingo Molnar <mingo@kernel.org> | 2015-07-31 11:23:35 +0300 |
| commit | 5b929bd11df23922daf1be5d52731cc3900c1d79 (patch) | |
| tree | 105fa5987b03c9f4e0260a9eb04dff7bb3d16839 /drivers/block/null_blk.c | |
| parent | b2c51106c7581866c37ffc77c5d739f3d4b7cbc9 (diff) | |
| parent | 37868fe113ff2ba814b3b4eb12df214df555f8dc (diff) | |
| download | linux-5b929bd11df23922daf1be5d52731cc3900c1d79.tar.xz | |
Merge branch 'x86/urgent' into x86/asm, before applying dependent patches
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'drivers/block/null_blk.c')
| -rw-r--r-- | drivers/block/null_blk.c | 18 |
1 files changed, 9 insertions, 9 deletions
diff --git a/drivers/block/null_blk.c b/drivers/block/null_blk.c index 69de41a87b74..3177b245d2bd 100644 --- a/drivers/block/null_blk.c +++ b/drivers/block/null_blk.c @@ -240,19 +240,19 @@ static enum hrtimer_restart null_cmd_timer_expired(struct hrtimer *timer) while ((entry = llist_del_all(&cq->list)) != NULL) { entry = llist_reverse_order(entry); do { + struct request_queue *q = NULL; + cmd = container_of(entry, struct nullb_cmd, ll_list); entry = entry->next; + if (cmd->rq) + q = cmd->rq->q; end_cmd(cmd); - if (cmd->rq) { - struct request_queue *q = cmd->rq->q; - - if (!q->mq_ops && blk_queue_stopped(q)) { - spin_lock(q->queue_lock); - if (blk_queue_stopped(q)) - blk_start_queue(q); - spin_unlock(q->queue_lock); - } + if (q && !q->mq_ops && blk_queue_stopped(q)) { + spin_lock(q->queue_lock); + if (blk_queue_stopped(q)) + blk_start_queue(q); + spin_unlock(q->queue_lock); } } while (entry); } |