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-rw-r--r--lib/kobject_uevent.c12
1 files changed, 11 insertions, 1 deletions
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 318328ddbd1..920a3ca6e25 100644
--- 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;
}