tipc: convert legacy nl media dump to nl compat

Convert TIPC_CMD_GET_MEDIA_NAMES to compat dumpit.

Signed-off-by: Richard Alpe <richard.alpe@ericsson.com>
Reviewed-by: Erik Hugne <erik.hugne@ericsson.com>
Reviewed-by: Ying Xue <ying.xue@windriver.com>
Reviewed-by: Jon Maloy <jon.maloy@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 19 insertions, 0 deletions

diff --git a/net/tipc/netlink_compat.c b/net/tipc/netlink_compat.c
index 48e15a4a36d8..d23075efaa76 100644
--- a/net/tipc/netlink_compat.c
+++ b/net/tipc/netlink_compat.c
@@ -822,6 +822,19 @@ static int tipc_nl_compat_sk_dump(struct tipc_nl_compat_msg *msg,
         return 0;
 }
 
+static int tipc_nl_compat_media_dump(struct tipc_nl_compat_msg *msg,
+                                     struct nlattr **attrs)
+{
+        struct nlattr *media[TIPC_NLA_MEDIA_MAX + 1];
+
+        nla_parse_nested(media, TIPC_NLA_MEDIA_MAX, attrs[TIPC_NLA_MEDIA],
+                         NULL);
+
+        return tipc_add_tlv(msg->rep, TIPC_TLV_MEDIA_NAME,
+                            nla_data(media[TIPC_NLA_MEDIA_NAME]),
+                            nla_len(media[TIPC_NLA_MEDIA_NAME]));
+}
+
 static int tipc_nl_compat_handle(struct tipc_nl_compat_msg *msg)
 {
         struct tipc_nl_compat_cmd_dump dump;
@@ -885,6 +898,11 @@ static int tipc_nl_compat_handle(struct tipc_nl_compat_msg *msg)
                 dump.dumpit = tipc_nl_sk_dump;
                 dump.format = tipc_nl_compat_sk_dump;
                 return tipc_nl_compat_dumpit(&dump, msg);
+        case TIPC_CMD_GET_MEDIA_NAMES:
+                msg->rep_size = MAX_MEDIA * TLV_SPACE(TIPC_MAX_MEDIA_NAME);
+                dump.dumpit = tipc_nl_media_dump;
+                dump.format = tipc_nl_compat_media_dump;
+                return tipc_nl_compat_dumpit(&dump, msg);
         }
 
         return -EOPNOTSUPP;
@@ -992,6 +1010,7 @@ static int tipc_nl_compat_tmp_wrap(struct sk_buff *skb, struct genl_info *info)
         case TIPC_CMD_RESET_LINK_STATS:
         case TIPC_CMD_SHOW_NAME_TABLE:
         case TIPC_CMD_SHOW_PORTS:
+        case TIPC_CMD_GET_MEDIA_NAMES:
                 return tipc_nl_compat_recv(skb, info);
         }