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authortadeusz.struk@intel.com <tadeusz.struk@intel.com>2015-03-19 20:31:25 +0100
committerDavid S. Miller <davem@davemloft.net>2015-03-23 21:41:36 +0100
commit0345f93138b2224e0d7ce91fcffdb3dd23f364d7 (patch)
tree7cd37a309382dfc7dd6b028c2b1a88a181692a1c /net
parentnetlink: Remove netlink_compare_arg.trailer (diff)
downloadlinux-0345f93138b2224e0d7ce91fcffdb3dd23f364d7.tar.xz
linux-0345f93138b2224e0d7ce91fcffdb3dd23f364d7.zip
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>
Diffstat (limited to 'net')
-rw-r--r--net/compat.c2
-rw-r--r--net/socket.c8
2 files changed, 8 insertions, 2 deletions
diff --git a/net/compat.c b/net/compat.c
index 13c0c9a25cd9..c4b6b0f43d5d 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -79,6 +79,8 @@ ssize_t get_compat_msghdr(struct msghdr *kmsg,
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);
diff --git a/net/socket.c b/net/socket.c
index 3e776776f42c..073809f4125f 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -798,7 +798,8 @@ static ssize_t sock_read_iter(struct kiocb *iocb, struct iov_iter *to)
{
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 @@ static ssize_t sock_write_iter(struct kiocb *iocb, struct iov_iter *from)
{
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 @@ static ssize_t copy_msghdr_from_user(struct msghdr *kmsg,
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);