[PATCH] edac_mc: fix error handling
Call sysdev_class_unregister() on failure in edac_sysfs_memctrl_setup()
and decrease identation level for clear logic.
Acked-by: Doug Thompson <norsk5@xmission.com>
Signed-off-by: Akinobu Mita <akinobu.mita@gmail.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/drivers/edac/edac_mc.c b/drivers/edac/edac_mc.c
index 4bde30b..75e9e38 100644
--- a/drivers/edac/edac_mc.c
+++ b/drivers/edac/edac_mc.c
@@ -230,34 +230,43 @@
*/
static int edac_sysfs_memctrl_setup(void)
{
- int err=0;
+ int err = 0;
debugf1("%s()\n", __func__);
/* create the /sys/devices/system/edac directory */
err = sysdev_class_register(&edac_class);
- if (!err) {
- /* Init the MC's kobject */
- memset(&edac_memctrl_kobj, 0, sizeof (edac_memctrl_kobj));
- edac_memctrl_kobj.parent = &edac_class.kset.kobj;
- edac_memctrl_kobj.ktype = &ktype_memctrl;
-
- /* generate sysfs "..../edac/mc" */
- err = kobject_set_name(&edac_memctrl_kobj,"mc");
-
- if (!err) {
- /* FIXME: maybe new sysdev_create_subdir() */
- err = kobject_register(&edac_memctrl_kobj);
-
- if (err)
- debugf1("Failed to register '.../edac/mc'\n");
- else
- debugf1("Registered '.../edac/mc' kobject\n");
- }
- } else
+ if (err) {
debugf1("%s() error=%d\n", __func__, err);
+ return err;
+ }
+ /* Init the MC's kobject */
+ memset(&edac_memctrl_kobj, 0, sizeof (edac_memctrl_kobj));
+ edac_memctrl_kobj.parent = &edac_class.kset.kobj;
+ edac_memctrl_kobj.ktype = &ktype_memctrl;
+
+ /* generate sysfs "..../edac/mc" */
+ err = kobject_set_name(&edac_memctrl_kobj,"mc");
+
+ if (err)
+ goto fail;
+
+ /* FIXME: maybe new sysdev_create_subdir() */
+ err = kobject_register(&edac_memctrl_kobj);
+
+ if (err) {
+ debugf1("Failed to register '.../edac/mc'\n");
+ goto fail;
+ }
+
+ debugf1("Registered '.../edac/mc' kobject\n");
+
+ return 0;
+
+fail:
+ sysdev_class_unregister(&edac_class);
return err;
}