From b57c64f1aa5c51dd785f2572636b8c41ada06d72 Mon Sep 17 00:00:00 2001 From: Pavel Raiskup Date: Tue, 30 Aug 2011 15:10:46 +0200 Subject: [PATCH] network: NULL dereference fix Variable ifindex dereferenced on line 242 before null check on line 249. --- network/common.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/network/common.c b/network/common.c index 4704072..a223685 100644 --- a/network/common.c +++ b/network/common.c @@ -240,13 +240,15 @@ int bnep_if_down(const char *devname) int bnep_add_to_bridge(const char *devname, const char *bridge) { - int ifindex = if_nametoindex(devname); + int ifindex; struct ifreq ifr; int sk, err; if (!devname || !bridge) return -EINVAL; + ifindex = if_nametoindex(devname); + sk = socket(AF_INET, SOCK_STREAM, 0); if (sk < 0) return -1; -- 1.8.0.1