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-rw-r--r--block/blk-tag.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/block/blk-tag.c b/block/blk-tag.c
index ece65fc4c79b..e74d6d13838f 100644
--- a/block/blk-tag.c
+++ b/block/blk-tag.c
@@ -286,12 +286,14 @@ void blk_queue_end_tag(struct request_queue *q, struct request *rq)
BUG_ON(tag == -1);
- if (unlikely(tag >= bqt->real_max_depth))
+ if (unlikely(tag >= bqt->max_depth)) {
/*
* This can happen after tag depth has been reduced.
- * FIXME: how about a warning or info message here?
+ * But tag shouldn't be larger than real_max_depth.
*/
+ WARN_ON(tag >= bqt->real_max_depth);
return;
+ }
list_del_init(&rq->queuelist);
rq->cmd_flags &= ~REQ_QUEUED;