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-rw-r--r--block/bsg.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/block/bsg.c b/block/bsg.c
index 6fd08544d77e..40db8ff4c618 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -750,6 +750,12 @@ static struct bsg_device *bsg_add_device(struct inode *inode,
#ifdef BSG_DEBUG
unsigned char buf[32];
#endif
+
+ if (!blk_queue_scsi_passthrough(rq)) {
+ WARN_ONCE(true, "Attempt to register a non-SCSI queue\n");
+ return ERR_PTR(-EINVAL);
+ }
+
if (!blk_get_queue(rq))
return ERR_PTR(-ENXIO);