4.14-stable review patch. If anyone has any objections, please let me know.
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From: Jiri Pirko jiri@mellanox.com
[ Upstream commit d68d75fdc34b0253c2bded7ed18cd60eb5a9599b ]
In case modules are not configured, error out when tp->ops is null and prevent later null pointer dereference.
Fixes: 33a48927c193 ("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 Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- net/sched/cls_api.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)
--- a/net/sched/cls_api.c +++ b/net/sched/cls_api.c @@ -151,8 +151,8 @@ static struct tcf_proto *tcf_proto_creat } else { err = -ENOENT; } - goto errout; #endif + goto errout; } tp->classify = tp->ops->classify; tp->protocol = protocol;