[patch] rapidio: potential null deref on failure path

[Dan Carpenter]

If rio is not a switch then "rswitch" is null.

Signed-off-by: Dan Carpenter <error27@xxxxxxxxx>

diff --git a/drivers/rapidio/rio-scan.c b/drivers/rapidio/rio-scan.c
index a50391b..3a59d5f 100644
--- a/drivers/rapidio/rio-scan.c
+++ b/drivers/rapidio/rio-scan.c
@@ -517,7 +517,7 @@ static struct rio_dev __devinit *rio_setup_device(struct rio_net *net,
 	return rdev;
 
 cleanup:
-	if (rswitch->route_table)
+	if (rio_is_switch(rdev))
 		kfree(rswitch->route_table);
 
 	kfree(rdev);
--
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