From: Greg Kroah-Hartman <gregkh@suse.de>
Date: Fri, 20 Apr 2007 18:29:52 +0000 (-0700)
Subject: driver core: bus_add_driver should return an error if no bus
X-Git-Tag: v2.6.22-rc1~1119^2~10
X-Git-Url: https://err.no/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=4f6e1945fecad6ac8134e9fa68b7708e55690e9e;p=linux-2.6

driver core: bus_add_driver should return an error if no bus

As pointed out by Dave Jones.

Cc: Dave Jones <davej@redhat.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/base/bus.c b/drivers/base/bus.c
index 1a5a350eca..1d76e23496 100644
--- a/drivers/base/bus.c
+++ b/drivers/base/bus.c
@@ -603,7 +603,7 @@ int bus_add_driver(struct device_driver *drv)
 	int error = 0;
 
 	if (!bus)
-		return 0;
+		return -EINVAL;
 
 	pr_debug("bus %s: add driver %s\n", bus->name, drv->name);
 	error = kobject_set_name(&drv->kobj, "%s", drv->name);