* [PATCH] net: bridge: fix potential NULL pointer dereference
@ 2017-06-05 21:30 Gustavo A. R. Silva
0 siblings, 0 replies; only message in thread
From: Gustavo A. R. Silva @ 2017-06-05 21:30 UTC (permalink / raw)
To: Stephen Hemminger, David S. Miller
Cc: bridge, netdev, linux-kernel, Gustavo A. R. Silva
Add NULL check before dereferencing pointer _p_ inside br_afspec().
Addresses-Coverity-ID: 1401872
Signed-off-by: Gustavo A. R. Silva <garsilva@embeddedor.com>
---
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
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