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[1/6] batman-adv: fix and simplify condition when bonding should be used

Message ID 1420542605-28865-2-git-send-email-antonio@meshcoding.com
State Accepted, archived
Delegated to: David Miller
Headers show

Commit Message

Antonio Quartulli Jan. 6, 2015, 11:10 a.m. UTC 
From: Simon Wunderlich <sw@simonwunderlich.de>

The current condition actually does NOT consider bonding when the
interface the packet came in from is the soft interface, which is the
opposite of what it should do (and the comment describes). Fix that and
slightly simplify the condition.

Reported-by: Ray Gibson <booray@gmail.com>
Signed-off-by: Simon Wunderlich <sw@simonwunderlich.de>
Signed-off-by: Marek Lindner <mareklindner@neomailbox.ch>
Signed-off-by: Antonio Quartulli <antonio@meshcoding.com>
---
 net/batman-adv/routing.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)
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Patch

diff --git a/net/batman-adv/routing.c b/net/batman-adv/routing.c
index 35f76f2..6648f32 100644
--- a/net/batman-adv/routing.c
+++ b/net/batman-adv/routing.c
@@ -443,11 +443,13 @@  batadv_find_router(struct batadv_priv *bat_priv,
 
 	router = batadv_orig_router_get(orig_node, recv_if);
 
+	if (!router)
+		return router;
+
 	/* only consider bonding for recv_if == BATADV_IF_DEFAULT (first hop)
 	 * and if activated.
 	 */
-	if (recv_if == BATADV_IF_DEFAULT || !atomic_read(&bat_priv->bonding) ||
-	    !router)
+	if (!(recv_if == BATADV_IF_DEFAULT && atomic_read(&bat_priv->bonding)))
 		return router;
 
 	/* bonding: loop through the list of possible routers found