kmemleak: Allow the early log buffer to be configurable.

[safe/jmp/linux-2.6] / lib / kobject_uevent.c

diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 318328d..920a3ca 100644 (file)
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -118,6 +118,13 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
        kset = top_kobj->kset;
        uevent_ops = kset->uevent_ops;
 
+       /* skip the event, if uevent_suppress is set*/
+       if (kobj->uevent_suppress) {
+               pr_debug("kobject: '%s' (%p): %s: uevent_suppress "
+                                "caused the event to drop!\n",
+                                kobject_name(kobj), kobj, __func__);
+               return 0;
+       }
        /* skip the event, if the filter returns zero. */
        if (uevent_ops && uevent_ops->filter)
                if (!uevent_ops->filter(kset, kobj)) {
@@ -227,6 +234,9 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
                        NETLINK_CB(skb).dst_group = 1;
                        retval = netlink_broadcast(uevent_sock, skb, 0, 1,
                                                   GFP_KERNEL);
+                       /* ENOBUFS should be handled in userspace */
+                       if (retval == -ENOBUFS)
+                               retval = 0;
                } else
                        retval = -ENOMEM;
        }
@@ -318,7 +328,7 @@ static int __init kobject_uevent_init(void)
                       "kobject_uevent: unable to create netlink socket!\n");
                return -ENODEV;
        }
-
+       netlink_set_nonroot(NETLINK_KOBJECT_UEVENT, NL_NONROOT_RECV);
        return 0;
 }