netifd: Fix possible segfault in bridge code
authorHelmut Schaa <helmut.schaa@googlemail.com>
Fri, 29 Nov 2013 14:22:34 +0000 (15:22 +0100)
committerFelix Fietkau <nbd@openwrt.org>
Fri, 29 Nov 2013 14:33:44 +0000 (15:33 +0100)
Need to check calloc result. In case of failure the bridge member will be missing.

Signed-off-by: Helmut Schaa <helmut.schaa@googlemail.com>
bridge.c

index 0e06cc264b0439a4e1dd50f43bfe2229b351cacd..4ef0d7e20940587e324291c6a1df45ef926d2298 100644 (file)
--- a/bridge.c
+++ b/bridge.c
@@ -318,6 +318,9 @@ bridge_create_member(struct bridge_state *bst, struct device *dev, bool hotplug)
        struct bridge_member *bm;
 
        bm = calloc(1, sizeof(*bm) + strlen(dev->ifname) + 1);
+       if (!bm)
+               return NULL;
+
        bm->bst = bst;
        bm->dev.cb = bridge_member_cb;
        bm->dev.hotplug = hotplug;