[driver model] Don't Oops when registering global sysdev drivers.

52815e81 · Patrick Mochel · d507789a · 52815e81
Commit 52815e81 authored Jun 10, 2003 by Patrick Mochel
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drivers/base/sys.c drivers/base/sys.c +1 -1

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--- a/drivers/base/sys.c
+++ b/drivers/base/sys.c
@@ -104,7 +104,7 @@ int sysdev_driver_register(struct sysdev_class * cls,
 			   struct sysdev_driver * drv)
 {
 	down_write(&system_subsys.rwsem);
-	if (kset_get(&cls->kset))
+	if (cls && kset_get(&cls->kset))
 		list_add_tail(&drv->entry,&cls->drivers);
 	else
 		list_add_tail(&drv->entry,&global_drivers);