diff options
| author | David S. Miller <davem@davemloft.net> | 2009-03-28 03:19:16 +0300 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-03-28 03:19:16 +0300 |
| commit | a83398570e17af6bb81eb94f4f5dd356bd2828d8 (patch) | |
| tree | 5b5c7c3a56898485479291b7c964a1f3887d469c /net/netrom/af_netrom.c | |
| parent | f9384d41c02408dd404aa64d66d0ef38adcf6479 (diff) | |
| parent | 0b4d569de222452bcb55a4a536ade6cf4d8d1e30 (diff) | |
| download | linux-a83398570e17af6bb81eb94f4f5dd356bd2828d8.tar.xz | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Diffstat (limited to 'net/netrom/af_netrom.c')
| -rw-r--r-- | net/netrom/af_netrom.c | 13 |
1 files changed, 11 insertions, 2 deletions
diff --git a/net/netrom/af_netrom.c b/net/netrom/af_netrom.c index e9c05b8f4f45..6d9c58ec56ac 100644 --- a/net/netrom/af_netrom.c +++ b/net/netrom/af_netrom.c @@ -1037,6 +1037,10 @@ static int nr_sendmsg(struct kiocb *iocb, struct socket *sock, unsigned char *asmptr; int size; + /* Netrom empty data frame has no meaning : don't send */ + if (len == 0) + return 0; + if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR|MSG_CMSG_COMPAT)) return -EINVAL; @@ -1167,6 +1171,11 @@ static int nr_recvmsg(struct kiocb *iocb, struct socket *sock, skb_reset_transport_header(skb); copied = skb->len; + /* NetRom empty data frame has no meaning : ignore it */ + if (copied == 0) { + goto out; + } + if (copied > size) { copied = size; msg->msg_flags |= MSG_TRUNC; @@ -1182,7 +1191,7 @@ static int nr_recvmsg(struct kiocb *iocb, struct socket *sock, msg->msg_namelen = sizeof(*sax); - skb_free_datagram(sk, skb); +out: skb_free_datagram(sk, skb); release_sock(sk); return copied; @@ -1432,7 +1441,7 @@ static int __init nr_proto_init(void) struct net_device *dev; sprintf(name, "nr%d", i); - dev = alloc_netdev(sizeof(struct nr_private), name, nr_setup); + dev = alloc_netdev(0, name, nr_setup); if (!dev) { printk(KERN_ERR "NET/ROM: nr_proto_init - unable to allocate device structure\n"); goto fail; |