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authorMilan Broz <mbroz@redhat.com>2011-08-22 15:51:34 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2011-11-07 12:32:25 -0800
commitb628ea1f5cd046c9bd07c5ebef824bae08a85f1c (patch)
tree4fff33fb665de3d09f8f92f25be33789f3e1f7da /lib
parent87cab8620ac40a965d0676b42a081bda70f4cb96 (diff)
kobj_uevent: Ignore if some listeners cannot handle message
commit ebf4127cd677e9781b450e44dfaaa1cc595efcaa upstream. kobject_uevent() uses a multicast socket and should ignore if one of listeners cannot handle messages or nobody is listening at all. Easily reproducible when a process in system is cloned with CLONE_NEWNET flag. (See also http://article.gmane.org/gmane.linux.kernel.device-mapper.dm-crypt/5256) Signed-off-by: Milan Broz <mbroz@redhat.com> Acked-by: Kay Sievers <kay.sievers@vrfy.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'lib')
-rw-r--r--lib/kobject_uevent.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/kobject_uevent.c b/lib/kobject_uevent.c
index 920a3ca6e259..507b821f4c16 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -235,7 +235,7 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
retval = netlink_broadcast(uevent_sock, skb, 0, 1,
GFP_KERNEL);
/* ENOBUFS should be handled in userspace */
- if (retval == -ENOBUFS)
+ if (retval == -ENOBUFS || retval == -ESRCH)
retval = 0;
} else
retval = -ENOMEM;