[DCCP]: Make {set,get}sockopt(DCCP_SOCKOPT_PACKET_SIZE) return 0

To reflect the fact that this now is of no effect, not making apps
stop working, just be warned in the system log.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>

diff --git a/net/dccp/proto.c b/net/dccp/proto.c
index 2604e34..5ec47d9 100644 (file)
--- a/net/dccp/proto.c
+++ b/net/dccp/proto.c
@@ -471,7 +471,7 @@ static int do_dccp_setsockopt(struct sock *sk, int level, int optname,
        switch (optname) {
        case DCCP_SOCKOPT_PACKET_SIZE:
                DCCP_WARN("sockopt(PACKET_SIZE) is deprecated: fix your app\n");
-               err = -EINVAL;
+               err = 0;
                break;
        case DCCP_SOCKOPT_CHANGE_L:
                if (optlen != sizeof(struct dccp_so_feat))
@@ -583,7 +583,7 @@ static int do_dccp_getsockopt(struct sock *sk, int level, int optname,
        switch (optname) {
        case DCCP_SOCKOPT_PACKET_SIZE:
                DCCP_WARN("sockopt(PACKET_SIZE) is deprecated: fix your app\n");
-               return -EINVAL;
+               return 0;
        case DCCP_SOCKOPT_SERVICE:
                return dccp_getsockopt_service(sk, len,
                                               (__be32 __user *)optval, optlen);