unfortunately, if IS_ERR(class_dev) is true, that means class_dev isn't
null and the check in the error leg is pointless ... it's also asking
for trouble to request unregistration of a device we haven't actually
created (although it works currently). Fix by using explicit gotos and
unregisters.
James
diff --git a/block/bsg.c b/block/bsg.c
index d4fa8cd..1659d63 100644
--- a/block/bsg.c
+++ b/block/bsg.c
@@ -993,7 +993,7 @@ retry:
if (q->kobj.sd) {
ret = sysfs_create_link(&q->kobj, &bcd->class_dev->kobj, "bsg");
if (ret)
- goto err;
+ goto err_unregister;
}
list_add_tail(&bcd->list, &bsg_class_list);
@@ -1001,9 +1001,10 @@ retry:
mutex_unlock(&bsg_mutex);
return 0;
+
+err_unregister:
+ class_device_unregister(class_dev);
err:
- if (class_dev)
- class_device_destroy(bsg_class, MKDEV(bsg_major, bcd->minor));
mutex_unlock(&bsg_mutex);
return ret;
}
-
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