The neighbor compare API implementation for B.A.T.M.A.N. V checks whether the neigh_ifinfo for this neighbor on a specific interface exists. A warning is printed when it isn't found.
But it is not called inside a lock which would prevent that this information is lost right before batadv_neigh_ifinfo_get. It must therefore be expected that batadv_v_neigh_(cmp|is_sob) might not be able to get the requested neigh_ifinfo.
A WARN_ON for such a situation seems not to be appropriate because this will only flood the kernel logs. The warnings must therefore be removed.
Signed-off-by: Sven Eckelmann sven.eckelmann@openmesh.com --- Cc: Antonio Quartulli a@unstable.cc
This patch is for https://www.open-mesh.org/issues/343 --- net/batman-adv/bat_v.c | 8 ++++---- 1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/net/batman-adv/bat_v.c b/net/batman-adv/bat_v.c index 93ef1c0..69436d2 100644 --- a/net/batman-adv/bat_v.c +++ b/net/batman-adv/bat_v.c @@ -623,11 +623,11 @@ static int batadv_v_neigh_cmp(struct batadv_neigh_node *neigh1, int ret = 0;
ifinfo1 = batadv_neigh_ifinfo_get(neigh1, if_outgoing1); - if (WARN_ON(!ifinfo1)) + if (!ifinfo1) goto err_ifinfo1;
ifinfo2 = batadv_neigh_ifinfo_get(neigh2, if_outgoing2); - if (WARN_ON(!ifinfo2)) + if (!ifinfo2) goto err_ifinfo2;
ret = ifinfo1->bat_v.throughput - ifinfo2->bat_v.throughput; @@ -649,11 +649,11 @@ static bool batadv_v_neigh_is_sob(struct batadv_neigh_node *neigh1, bool ret = false;
ifinfo1 = batadv_neigh_ifinfo_get(neigh1, if_outgoing1); - if (WARN_ON(!ifinfo1)) + if (!ifinfo1) goto err_ifinfo1;
ifinfo2 = batadv_neigh_ifinfo_get(neigh2, if_outgoing2); - if (WARN_ON(!ifinfo2)) + if (!ifinfo2) goto err_ifinfo2;
threshold = ifinfo1->bat_v.throughput / 4;