From: Helmut Schaa <helmut.schaa@googlemail.com>
Date: Fri, 29 Nov 2013 14:22:34 +0000 (+0100)
Subject: netifd: Fix possible segfault in bridge code
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=edeaec0b8752bbadeb5b94c2b238e07dc4a1b4e4;p=oweals%2Fnetifd.git

netifd: Fix possible segfault in bridge code

Need to check calloc result. In case of failure the bridge member will be missing.

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

diff --git a/bridge.c b/bridge.c
index 0e06cc2..4ef0d7e 100644
--- 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;