Commit d68d75fd authored May 11, 2018 by Jiri Pirko Committed by David S. Miller May 11, 2018

net: sched: fix error path in tcf_proto_create() when modules are not configured



In case modules are not configured, error out when tp->ops is null
and prevent later null pointer dereference.

Fixes: 33a48927 ("sched: push TC filter protocol creation into a separate function")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent f4d641a2

net/sched/cls_api.c

+1 −1

Original line number	Diff line number	Diff line
		@@ -152,8 +152,8 @@ static struct tcf_proto tcf_proto_create(const char kind, u32 protocol,
		NL_SET_ERR_MSG(extack, "TC classifier not found");
		err = -ENOENT;
		}
		goto errout;
		#endif
		goto errout;
		}
		tp->classify = tp->ops->classify;
		tp->protocol = protocol;