| Date | Wed, 09 Nov 2011 13:32:06 -0800 | From | Greg KH <> | Subject | [079/264] kobj_uevent: Ignore if some listeners cannot handle message |
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3.1-stable review patch. If anyone has any objections, please let me know.
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From: Milan Broz <mbroz@redhat.com>
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>
--- lib/kobject_uevent.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/lib/kobject_uevent.c +++ b/lib/kobject_uevent.c @@ -282,7 +282,7 @@ int kobject_uevent_env(struct kobject *k kobj_bcast_filter, kobj); /* ENOBUFS should be handled in userspace */ - if (retval == -ENOBUFS) + if (retval == -ENOBUFS || retval == -ESRCH) retval = 0; } else retval = -ENOMEM;
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