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authorMilan Broz <mbroz@redhat.com>2011-08-22 15:51:34 +0200
committerGreg Kroah-Hartman <gregkh@suse.de>2011-08-22 18:31:24 -0700
commitebf4127cd677e9781b450e44dfaaa1cc595efcaa (patch)
tree99782f5b7e37526deb763b83d3a2f5373bfd6e88 /lib/kobject_uevent.c
parentb5fb0a03214dfd02bc34bda659d5b89ef12741b2 (diff)
downloadlinux-stericsson-ebf4127cd677e9781b450e44dfaaa1cc595efcaa.tar.gz
kobj_uevent: Ignore if some listeners cannot handle message
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> Cc: stable <stable@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
Diffstat (limited to 'lib/kobject_uevent.c')
-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 70af0a7f97c0..ad72a03ce5e9 100644
--- a/lib/kobject_uevent.c
+++ b/lib/kobject_uevent.c
@@ -282,7 +282,7 @@ int kobject_uevent_env(struct kobject *kobj, enum kobject_action action,
kobj_bcast_filter,
kobj);
/* ENOBUFS should be handled in userspace */
- if (retval == -ENOBUFS)
+ if (retval == -ENOBUFS || retval == -ESRCH)
retval = 0;
} else
retval = -ENOMEM;