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-rw-r--r--block/blktrace.c6
1 files changed, 4 insertions, 2 deletions
diff --git a/block/blktrace.c b/block/blktrace.c
index 2b4ef2b89b8d..8ff33441d8a2 100644
--- a/block/blktrace.c
+++ b/block/blktrace.c
@@ -450,8 +450,10 @@ int blk_trace_ioctl(struct block_device *bdev, unsigned cmd, char __user *arg)
**/
void blk_trace_shutdown(request_queue_t *q)
{
- blk_trace_startstop(q, 0);
- blk_trace_remove(q);
+ if (q->blk_trace) {
+ blk_trace_startstop(q, 0);
+ blk_trace_remove(q);
+ }
}
/*