bdev_get_queue() needs to check for a valid bd_disk pointer,
otherwise it'll dereference a NULL pointer.
Signed-off-by: Hannes Reinecke <h...@suse.de>
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index f94bc83..7e28aaa 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -794,7 +794,7 @@ extern void blk_execute_rq_nowait(struct request_queue *,
struct gendisk *,
static inline struct request_queue *bdev_get_queue(struct block_device *bdev)
{
- return bdev->bd_disk->queue;
+ return bdev->bd_disk ? bdev->bd_disk->queue : NULL;
}
/*
--
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