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[net-next,5/6] net: bridge: get msgtype from nlmsghdr in mdb ops

Message ID 20170517212709.6473-6-vivien.didelot@savoirfairelinux.com
State Changes Requested, archived
Delegated to: David Miller
Headers show

Commit Message

Vivien Didelot May 17, 2017, 9:27 p.m. UTC
Retrieve the message type from the nlmsghdr structure instead of
hardcoding it in both br_mdb_add and br_mdb_del.

Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
---
 net/bridge/br_mdb.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

Comments

Nikolay Aleksandrov May 18, 2017, 3:28 p.m. UTC | #1
On 5/18/17 12:27 AM, Vivien Didelot wrote:
> Retrieve the message type from the nlmsghdr structure instead of
> hardcoding it in both br_mdb_add and br_mdb_del.
> 
> Signed-off-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com>
> ---
>   net/bridge/br_mdb.c | 10 ++++++----
>   1 file changed, 6 insertions(+), 4 deletions(-)
> 
> diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c
> index a72d5e6f339f..d280b20587cb 100644
> --- a/net/bridge/br_mdb.c
> +++ b/net/bridge/br_mdb.c
> @@ -569,6 +569,7 @@ static int br_mdb_add(struct sk_buff *skb, struct nlmsghdr *nlh,
>   	struct net_bridge_port *p;
>   	struct net_bridge_vlan *v;
>   	struct net_bridge *br;
> +	int msgtype = nlh->nlmsg_type;

minor nits:
nlmsg_type is a u16, also please keep the order and arrange these from longest 
to shortest

>   	int err;
>   
>   	err = br_mdb_parse(skb, nlh, &dev, &entry);
> @@ -595,12 +596,12 @@ static int br_mdb_add(struct sk_buff *skb, struct nlmsghdr *nlh,
>   	if (br_vlan_enabled(br) && vg && entry->vid == 0) {
>   		list_for_each_entry(v, &vg->vlan_list, vlist) {
>   			entry->vid = v->vid;
> -			err = __br_mdb_do(p, entry, RTM_NEWMDB);
> +			err = __br_mdb_do(p, entry, msgtype);
>   			if (err)
>   				break;
>   		}
>   	} else {
> -		err = __br_mdb_do(p, entry, RTM_NEWMDB);
> +		err = __br_mdb_do(p, entry, msgtype);
>   	}
>   
>   	return err;
> @@ -677,6 +678,7 @@ static int br_mdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,
>   	struct net_bridge_port *p;
>   	struct net_bridge_vlan *v;
>   	struct net_bridge *br;
> +	int msgtype = nlh->nlmsg_type;

same here

>   	int err;
>   
>   	err = br_mdb_parse(skb, nlh, &dev, &entry);
> @@ -703,12 +705,12 @@ static int br_mdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,
>   	if (br_vlan_enabled(br) && vg && entry->vid == 0) {
>   		list_for_each_entry(v, &vg->vlan_list, vlist) {
>   			entry->vid = v->vid;
> -			err = __br_mdb_do(p, entry, RTM_DELMDB);
> +			err = __br_mdb_do(p, entry, msgtype);
>   			if (err)
>   				break;
>   		}
>   	} else {
> -		err = __br_mdb_do(p, entry, RTM_DELMDB);
> +		err = __br_mdb_do(p, entry, msgtype);
>   	}
>   
>   	return err;
>
diff mbox

Patch

diff --git a/net/bridge/br_mdb.c b/net/bridge/br_mdb.c
index a72d5e6f339f..d280b20587cb 100644
--- a/net/bridge/br_mdb.c
+++ b/net/bridge/br_mdb.c
@@ -569,6 +569,7 @@  static int br_mdb_add(struct sk_buff *skb, struct nlmsghdr *nlh,
 	struct net_bridge_port *p;
 	struct net_bridge_vlan *v;
 	struct net_bridge *br;
+	int msgtype = nlh->nlmsg_type;
 	int err;
 
 	err = br_mdb_parse(skb, nlh, &dev, &entry);
@@ -595,12 +596,12 @@  static int br_mdb_add(struct sk_buff *skb, struct nlmsghdr *nlh,
 	if (br_vlan_enabled(br) && vg && entry->vid == 0) {
 		list_for_each_entry(v, &vg->vlan_list, vlist) {
 			entry->vid = v->vid;
-			err = __br_mdb_do(p, entry, RTM_NEWMDB);
+			err = __br_mdb_do(p, entry, msgtype);
 			if (err)
 				break;
 		}
 	} else {
-		err = __br_mdb_do(p, entry, RTM_NEWMDB);
+		err = __br_mdb_do(p, entry, msgtype);
 	}
 
 	return err;
@@ -677,6 +678,7 @@  static int br_mdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,
 	struct net_bridge_port *p;
 	struct net_bridge_vlan *v;
 	struct net_bridge *br;
+	int msgtype = nlh->nlmsg_type;
 	int err;
 
 	err = br_mdb_parse(skb, nlh, &dev, &entry);
@@ -703,12 +705,12 @@  static int br_mdb_del(struct sk_buff *skb, struct nlmsghdr *nlh,
 	if (br_vlan_enabled(br) && vg && entry->vid == 0) {
 		list_for_each_entry(v, &vg->vlan_list, vlist) {
 			entry->vid = v->vid;
-			err = __br_mdb_do(p, entry, RTM_DELMDB);
+			err = __br_mdb_do(p, entry, msgtype);
 			if (err)
 				break;
 		}
 	} else {
-		err = __br_mdb_do(p, entry, RTM_DELMDB);
+		err = __br_mdb_do(p, entry, msgtype);
 	}
 
 	return err;