commit 0345f93138b2224e0d7ce91fcffdb3dd23f364d7
author tadeusz.struk@intel.com <tadeusz.struk@intel.com> Thu Mar 19 12:31:25 2015 -0700
committer David S. Miller <davem@davemloft.net> Mon Mar 23 16:41:36 2015 -0400
tree 7cd37a309382dfc7dd6b028c2b1a88a181692a1c
parent 8f2ddaac302a8ca364cb04efb19cd3b5cd058910

net: socket: add support for async operations

Add support for async operations.

Signed-off-by: Tadeusz Struk <tadeusz.struk@intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

net/compat.c

diff --git a/net/compat.c b/net/compat.c
index 13c0c9a..c4b6b0f 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -79,6 +79,8 @@
 	if (nr_segs > UIO_MAXIOV)
 		return -EMSGSIZE;
 
+	kmsg->msg_iocb = NULL;
+
 	err = compat_rw_copy_check_uvector(save_addr ? READ : WRITE,
 					   compat_ptr(uiov), nr_segs,
 					   UIO_FASTIOV, *iov, iov);

net/socket.c

diff --git a/net/socket.c b/net/socket.c
index 3e77677..073809f 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -798,7 +798,8 @@
 {
 	struct file *file = iocb->ki_filp;
 	struct socket *sock = file->private_data;
-	struct msghdr msg = {.msg_iter = *to};
+	struct msghdr msg = {.msg_iter = *to,
+			     .msg_iocb = iocb};
 	ssize_t res;
 
 	if (file->f_flags & O_NONBLOCK)
@@ -819,7 +820,8 @@
 {
 	struct file *file = iocb->ki_filp;
 	struct socket *sock = file->private_data;
-	struct msghdr msg = {.msg_iter = *from};
+	struct msghdr msg = {.msg_iter = *from,
+			     .msg_iocb = iocb};
 	ssize_t res;
 
 	if (iocb->ki_pos != 0)
@@ -1894,6 +1896,8 @@
 	if (nr_segs > UIO_MAXIOV)
 		return -EMSGSIZE;
 
+	kmsg->msg_iocb = NULL;
+
 	err = rw_copy_check_uvector(save_addr ? READ : WRITE,
 				    uiov, nr_segs,
 				    UIO_FASTIOV, *iov, iov);