[SCSI] bsg: unexport sg v3 helper functions

[platform/adaptation/renesas_rcar/renesas_kernel.git] / block / bsg.c

diff --git a/block/bsg.c b/block/bsg.c
index 4eebcd5..1ba9bc6 100644 (file)
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -932,7 +932,8 @@ void bsg_unregister_queue(struct request_queue *q)
 {
        struct bsg_class_device *bcd = &q->bsg_dev;
 
-       WARN_ON(!bcd->class_dev);
+       if (!bcd->class_dev)
+               return;
 
        mutex_lock(&bsg_mutex);
        sysfs_remove_link(&q->kobj, "bsg");