[PATCH] net: bridge: fix potential NULL pointer dereference
From: Gustavo A. R. Silva <hidden>
Date: 2017-06-05 21:30:34
Also in:
bridge, lkml
Subsystem:
ethernet bridge, networking [general], the rest · Maintainers:
Nikolay Aleksandrov, Ido Schimmel, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds
Add NULL check before dereferencing pointer _p_ inside br_afspec(). Addresses-Coverity-ID: 1401872 Signed-off-by: Gustavo A. R. Silva <redacted> --- net/bridge/br_netlink.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
index 1e63ec4..ad85a9c 100644
--- a/net/bridge/br_netlink.c
+++ b/net/bridge/br_netlink.c@@ -776,7 +776,7 @@ int br_setlink(struct net_device *dev, struct nlmsghdr *nlh, u16 flags) goto out; } - if (afspec) { + if (p && afspec) { err = br_afspec((struct net_bridge *)netdev_priv(dev), p, afspec, RTM_SETLINK); }
--
2.5.0