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authorDmitry Torokhov <dmitry.torokhov@gmail.com>2008-12-20 12:54:54 +0300
committerDmitry Torokhov <dmitry.torokhov@gmail.com>2008-12-20 12:54:54 +0300
commit93b8eef1c098efbea2f1fc0be7e3c681f259a7e7 (patch)
tree462cc8c2bc07bbc825dab2a200891a28d8643329 /net/rose/af_rose.c
parenta2d781fc8d9b16113dd9440107d73c0f21d7cbef (diff)
parent929096fe9ff1f4b3645cf3919527ab47e8d5e17c (diff)
downloadlinux-93b8eef1c098efbea2f1fc0be7e3c681f259a7e7.tar.xz
Merge commit 'v2.6.28-rc9' into next
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 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,
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;