[PATCH 4/8] Null dereference fix
From: Pavel Raiskup <hidden>
Date: 2011-08-30 13:10:46
Subsystem:
the rest · Maintainer:
Linus Torvalds
Variable ifindex dereferenced on line 242 before null check on line 249. --- network/common.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-)
diff --git a/network/common.c b/network/common.c
index 6da9f0a..f8cd721 100644
--- a/network/common.c
+++ b/network/common.c@@ -239,13 +239,15 @@ 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;
--
1.7.4.4