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-rw-r--r--net/rose/af_rose.c10
1 files changed, 10 insertions, 0 deletions
diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index a7f1ce11bc22..0c1cc7612800 100644
--- a/net/rose/af_rose.c
+++ b/net/rose/af_rose.c
@@ -1072,6 +1072,10 @@ static int rose_sendmsg(struct kiocb *iocb, struct socket *sock,
1072 unsigned char *asmptr; 1072 unsigned char *asmptr;
1073 int n, size, qbit = 0; 1073 int n, size, qbit = 0;
1074 1074
1075 /* ROSE empty frame has no meaning : don't send */
1076 if (len == 0)
1077 return 0;
1078
1075 if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR|MSG_CMSG_COMPAT)) 1079 if (msg->msg_flags & ~(MSG_DONTWAIT|MSG_EOR|MSG_CMSG_COMPAT))
1076 return -EINVAL; 1080 return -EINVAL;
1077 1081
@@ -1265,6 +1269,12 @@ static int rose_recvmsg(struct kiocb *iocb, struct socket *sock,
1265 skb_reset_transport_header(skb); 1269 skb_reset_transport_header(skb);
1266 copied = skb->len; 1270 copied = skb->len;
1267 1271
1272 /* ROSE empty frame has no meaning : ignore it */
1273 if (copied == 0) {
1274 skb_free_datagram(sk, skb);
1275 return copied;
1276 }
1277
1268 if (copied > size) { 1278 if (copied > size) {
1269 copied = size; 1279 copied = size;
1270 msg->msg_flags |= MSG_TRUNC; 1280 msg->msg_flags |= MSG_TRUNC;