devlink: fix return value check in devlink_dpipe_header_put()

Fix the return value check which testing the wrong variable in devlink_dpipe_header_put(). Fixes: 1555d20 ("devlink: Support for pipeline debug (dpipe)") Signed-off-by: Wei Yongjun <[email protected]> Acked-by: Jiri Pirko <[email protected]> Signed-off-by: David S. Miller <[email protected]>
ambv · Apr 11, 2017 · cb6bf9c · cb6bf9c
1 parent b46b99d
commit cb6bf9c
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/net/core/devlink.c b/net/core/devlink.c
@@ -2031,7 +2031,7 @@ static int devlink_dpipe_header_put(struct sk_buff *skb,
 	int err;
 
 	header_attr = nla_nest_start(skb, DEVLINK_ATTR_DPIPE_HEADER);
-	if (!header)
+	if (!header_attr)
 		return -EMSGSIZE;
 
 	if (nla_put_string(skb, DEVLINK_ATTR_DPIPE_HEADER_NAME, header->name) ||