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-rw-r--r--block/blk-timeout.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/block/blk-timeout.c b/block/blk-timeout.c
index 116bbf3..99c3efc 100644
--- a/block/blk-timeout.c
+++ b/block/blk-timeout.c
@@ -132,7 +132,12 @@ void blk_rq_timed_out_timer(unsigned long data)
}
}
- if (next_set && !list_empty(&q->timeout_list))
+ /*
+ * next can never be 0 here with the list non-empty, since we always
+ * bump ->deadline to 1 so we can detect if the timer was ever added
+ * or not. See comment in blk_add_timer()
+ */
+ if (next)
mod_timer(&q->timeout, round_jiffies_up(next));
spin_unlock_irqrestore(q->queue_lock, flags);
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