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-rw-r--r--net/iucv/af_iucv.c10
1 files changed, 9 insertions, 1 deletions
diff --git a/net/iucv/af_iucv.c b/net/iucv/af_iucv.c
index fbce4a3..98d1f0b 100644
--- a/net/iucv/af_iucv.c
+++ b/net/iucv/af_iucv.c
@@ -1633,7 +1633,8 @@ static int iucv_sock_getsockopt(struct socket *sock, int level, int optname,
{
struct sock *sk = sock->sk;
struct iucv_sock *iucv = iucv_sk(sk);
- int val, len;
+ unsigned int val;
+ int len;
if (level != SOL_IUCV)
return -ENOPROTOOPT;
@@ -1656,6 +1657,13 @@ static int iucv_sock_getsockopt(struct socket *sock, int level, int optname,
: iucv->msglimit; /* default */
release_sock(sk);
break;
+ case SO_MSGSIZE:
+ if (sk->sk_state == IUCV_OPEN)
+ return -EBADFD;
+ val = (iucv->hs_dev) ? iucv->hs_dev->mtu -
+ sizeof(struct af_iucv_trans_hdr) - ETH_HLEN :
+ 0x7fffffff;
+ break;
default:
return -ENOPROTOOPT;
}
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