From d68d75fdc34b0253c2bded7ed18cd60eb5a9599b Mon Sep 17 00:00:00 2001
From: Jiri Pirko <jiri@mellanox.com>
Date: Fri, 11 May 2018 17:45:32 +0200
Subject: [PATCH] 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: 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>
---
net/sched/cls_api.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/net/sched/cls_api.c b/net/sched/cls_api.c
index b66754f52a9f..963e4bf0aab8 100644
--- a/net/sched/cls_api.c
+++ b/net/sched/cls_api.c
@@ -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;
--
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