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-rw-r--r--kernel/trace/blktrace.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index d9d6206e0b14..07f945a99430 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -540,9 +540,10 @@ int blk_trace_setup(struct request_queue *q, char *name, dev_t dev,
540 if (ret) 540 if (ret)
541 return ret; 541 return ret;
542 542
543 if (copy_to_user(arg, &buts, sizeof(buts))) 543 if (copy_to_user(arg, &buts, sizeof(buts))) {
544 blk_trace_remove(q);
544 return -EFAULT; 545 return -EFAULT;
545 546 }
546 return 0; 547 return 0;
547} 548}
548EXPORT_SYMBOL_GPL(blk_trace_setup); 549EXPORT_SYMBOL_GPL(blk_trace_setup);