tree 32ec35631317568dc98cdc178a6950216b3149c9
parent 2fc72c7b84002ffb3c66918e2a7b0ee607d8b5aa
author Pablo Neira Ayuso <pablo@netfilter.org> 1294924795 +0100
committer Pablo Neira Ayuso <pablo@netfilter.org> 1294934619 +0100

netfilter: ctnetlink: fix loop in ctnetlink_get_conntrack()

This patch fixes a loop in ctnetlink_get_conntrack() that can be
triggered if you use the same socket to receive events and to
perform a GET operation. Under heavy load, netlink_unicast()
may return -EAGAIN, this error code is reserved in nfnetlink for
the module load-on-demand. Instead, we return -ENOBUFS which is
the appropriate error code that has to be propagated to
user-space.

Reported-by: Holger Eitzenberger <holger@eitzenberger.org>
Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>