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authorIngo Molnar <mingo@elte.hu>2008-12-16 22:04:48 +0100
committerIngo Molnar <mingo@elte.hu>2008-12-16 22:04:48 +0100
commit78f902ccc597d6ce3e8d1477d70f2d79e960ba7a (patch)
treec6ceab663de16501d1dda1c1596fe2dacaaef8e3 /net/rose/af_rose.c
parent9ee670fd87b7d69c8633b94c42aadcbbcb96f28e (diff)
parent8b1fae4e4200388b64dd88065639413cb3f1051c (diff)
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Merge commit 'v2.6.28-rc8' into x86/doc
Diffstat (limited to 'net/rose/af_rose.c')
-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 a7f1ce1..0c1cc76 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,
unsigned char *asmptr;
int n, size, qbit = 0;
+ /* ROSE empty 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;
@@ -1265,6 +1269,12 @@ static int rose_recvmsg(struct kiocb *iocb, struct socket *sock,
skb_reset_transport_header(skb);
copied = skb->len;
+ /* ROSE empty frame has no meaning : ignore it */
+ if (copied == 0) {
+ skb_free_datagram(sk, skb);
+ return copied;
+ }
+
if (copied > size) {
copied = size;
msg->msg_flags |= MSG_TRUNC;