diff options
author | Sven Eckelmann <sven.eckelmann@openmesh.com> | 2018-02-19 14:08:53 +0100 |
---|---|---|
committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-30 07:52:04 +0200 |
commit | f08cabec0696517f8c811cd8279df5f56d0ab15d (patch) | |
tree | 017c53a75b8b8f7e9779fc06602a82bf5b2dcd7c /net | |
parent | 8b7e379faf15f26b271225f60c5b9a654076193d (diff) |
batman-adv: Ignore invalid batadv_v_gw during netlink send
[ Upstream commit 011c935fceae5252619ef730baa610c655281dda ]
The function batadv_v_gw_dump stops the processing loop when
batadv_v_gw_dump_entry returns a non-0 return code. This should only
happen when the buffer is full. Otherwise, an empty message may be
returned by batadv_gw_dump. This empty message will then stop the netlink
dumping of gateway entries. At worst, not a single entry is returned to
userspace even when plenty of possible gateways exist.
Fixes: b71bb6f924fe ("batman-adv: add B.A.T.M.A.N. V bat_gw_dump implementations")
Signed-off-by: Sven Eckelmann <sven.eckelmann@openmesh.com>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'net')
-rw-r--r-- | net/batman-adv/bat_v.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c index 4e2724c5b33d..a8f4c3902cf5 100644 --- a/net/batman-adv/bat_v.c +++ b/net/batman-adv/bat_v.c @@ -930,7 +930,7 @@ static int batadv_v_gw_dump_entry(struct sk_buff *msg, u32 portid, u32 seq, struct batadv_neigh_ifinfo *router_ifinfo = NULL; struct batadv_neigh_node *router; struct batadv_gw_node *curr_gw; - int ret = -EINVAL; + int ret = 0; void *hdr; router = batadv_orig_router_get(gw_node->orig_node, BATADV_IF_DEFAULT); |