Commit 65d786c2 authored by Gustavo A. R. Silva's avatar Gustavo A. R. Silva Committed by David S. Miller

net: fix potential null pointer dereference

Add null check to avoid a potential null pointer dereference.

Addresses-Coverity-ID: 1408831
Signed-off-by: default avatarGustavo A. R. Silva <garsilva@embeddedor.com>
Acked-by: default avatarPablo Neira Ayuso <pablo@netfilter.org>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
parent 11387fe4
...@@ -873,7 +873,7 @@ static struct gtp_dev *gtp_find_dev(struct net *src_net, struct nlattr *nla[]) ...@@ -873,7 +873,7 @@ static struct gtp_dev *gtp_find_dev(struct net *src_net, struct nlattr *nla[])
/* Check if there's an existing gtpX device to configure */ /* Check if there's an existing gtpX device to configure */
dev = dev_get_by_index_rcu(net, nla_get_u32(nla[GTPA_LINK])); dev = dev_get_by_index_rcu(net, nla_get_u32(nla[GTPA_LINK]));
if (dev->netdev_ops == &gtp_netdev_ops) if (dev && dev->netdev_ops == &gtp_netdev_ops)
gtp = netdev_priv(dev); gtp = netdev_priv(dev);
put_net(net); put_net(net);
......
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