Merge branch 'master' into next

Conflicts:
	fs/nfsd/nfs4recover.c

Manually fixed above to use new creds API functions, e.g.
nfs4_save_creds().

Signed-off-by: James Morris <jmorris@namei.org>

1 files changed, 10 insertions, 0 deletions

diff --git a/net/rose/af_rose.c b/net/rose/af_rose.c
index d902e2da2782..01392649b462 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;