diff options
-rw-r--r-- | block/blk-tag.c | 13 |
1 files changed, 2 insertions, 11 deletions
diff --git a/block/blk-tag.c b/block/blk-tag.c index e74d6d13838..4af6f5cc116 100644 --- a/block/blk-tag.c +++ b/block/blk-tag.c | |||
@@ -282,18 +282,9 @@ EXPORT_SYMBOL(blk_queue_resize_tags); | |||
282 | void blk_queue_end_tag(struct request_queue *q, struct request *rq) | 282 | void blk_queue_end_tag(struct request_queue *q, struct request *rq) |
283 | { | 283 | { |
284 | struct blk_queue_tag *bqt = q->queue_tags; | 284 | struct blk_queue_tag *bqt = q->queue_tags; |
285 | int tag = rq->tag; | 285 | unsigned tag = rq->tag; /* negative tags invalid */ |
286 | 286 | ||
287 | BUG_ON(tag == -1); | 287 | BUG_ON(tag >= bqt->real_max_depth); |
288 | |||
289 | if (unlikely(tag >= bqt->max_depth)) { | ||
290 | /* | ||
291 | * This can happen after tag depth has been reduced. | ||
292 | * But tag shouldn't be larger than real_max_depth. | ||
293 | */ | ||
294 | WARN_ON(tag >= bqt->real_max_depth); | ||
295 | return; | ||
296 | } | ||
297 | 288 | ||
298 | list_del_init(&rq->queuelist); | 289 | list_del_init(&rq->queuelist); |
299 | rq->cmd_flags &= ~REQ_QUEUED; | 290 | rq->cmd_flags &= ~REQ_QUEUED; |