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Nicolas Dichtel cb9f7a9a5c netlink: ensure to loop over all netns in genlmsg_multicast_allns()

Nowadays, nlmsg_multicast() returns only 0 or -ESRCH but this was not the
case when commit 134e63756d5f was pushed.
However, there was no reason to stop the loop if a netns does not have
listeners.
Returns -ESRCH only if there was no listeners in all netns.

To avoid having the same problem in the future, I didn't take the
assumption that nlmsg_multicast() returns only 0 or -ESRCH.

Fixes: 134e63756d5f ("genetlink: make netns aware")
CC: Johannes Berg <johannes.berg@intel.com>
Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

2018-02-08 14:03:18 -05:00

af_netlink.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net

2018-01-19 22:59:33 -05:00

af_netlink.h

af_netlink: ensure that NLMSG_DONE never fails in dumps

2017-11-13 10:17:13 +09:00

diag.c

rhashtable: Change rhashtable_walk_start to return void

2017-12-11 09:58:38 -05:00

genetlink.c

netlink: ensure to loop over all netns in genlmsg_multicast_allns()