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authorDave Airlie <airlied@redhat.com>2011-01-05 08:31:08 +1000
committerDave Airlie <airlied@redhat.com>2011-01-05 08:31:08 +1000
commit4f125010d2d02c481a0fdf5aee23a9f937bc5de1 (patch)
treedcdcd2ba1d0bb980b57ced9a1b2b5b17c84c8f57 /net/socket.c
parent204663c48711ddceee09df46269cd34d49d1f7be (diff)
parent989d873fc5b6a96695b97738dea8d9f02a60f8ab (diff)
Merge branch 'master' of /home/airlied/kernel/linux-2.6 into drm-core-next
Diffstat (limited to 'net/socket.c')
-rw-r--r--net/socket.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/net/socket.c b/net/socket.c
index 3ca2fd9e3720..088fb3fd45e0 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -732,6 +732,21 @@ static int sock_recvmsg_nosec(struct socket *sock, struct msghdr *msg,
return ret;
}
+/**
+ * kernel_recvmsg - Receive a message from a socket (kernel space)
+ * @sock: The socket to receive the message from
+ * @msg: Received message
+ * @vec: Input s/g array for message data
+ * @num: Size of input s/g array
+ * @size: Number of bytes to read
+ * @flags: Message flags (MSG_DONTWAIT, etc...)
+ *
+ * On return the msg structure contains the scatter/gather array passed in the
+ * vec argument. The array is modified so that it consists of the unfilled
+ * portion of the original array.
+ *
+ * The returned value is the total number of bytes received, or an error.
+ */
int kernel_recvmsg(struct socket *sock, struct msghdr *msg,
struct kvec *vec, size_t num, size_t size, int flags)
{