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-rw-r--r--drivers/net/tap.c5
-rw-r--r--drivers/net/tun.c8
-rw-r--r--include/linux/if_tap.h1
-rw-r--r--include/linux/net.h4
-rw-r--r--include/net/sock.h4
-rw-r--r--net/core/sock.c2
-rw-r--r--net/socket.c19
7 files changed, 15 insertions, 28 deletions
diff --git a/drivers/net/tap.c b/drivers/net/tap.c
index 8e01390c738e..dd614c2cd994 100644
--- a/drivers/net/tap.c
+++ b/drivers/net/tap.c
@@ -520,8 +520,7 @@ static int tap_open(struct inode *inode, struct file *file)
goto err;
}
- RCU_INIT_POINTER(q->sock.wq, &q->wq);
- init_waitqueue_head(&q->wq.wait);
+ init_waitqueue_head(&q->sock.wq.wait);
q->sock.type = SOCK_RAW;
q->sock.state = SS_CONNECTED;
q->sock.file = file;
@@ -579,7 +578,7 @@ static __poll_t tap_poll(struct file *file, poll_table *wait)
goto out;
mask = 0;
- poll_wait(file, &q->wq.wait, wait);
+ poll_wait(file, &q->sock.wq.wait, wait);
if (!ptr_ring_empty(&q->ring))
mask |= EPOLLIN | EPOLLRDNORM;
diff --git a/drivers/net/tun.c b/drivers/net/tun.c
index d7c55e0fa8f4..3d443597bd04 100644
--- a/drivers/net/tun.c
+++ b/drivers/net/tun.c
@@ -160,7 +160,6 @@ struct tun_pcpu_stats {
struct tun_file {
struct sock sk;
struct socket socket;
- struct socket_wq wq;
struct tun_struct __rcu *tun;
struct fasync_struct *fasync;
/* only used for fasnyc */
@@ -2165,7 +2164,7 @@ static void *tun_ring_recv(struct tun_file *tfile, int noblock, int *err)
goto out;
}
- add_wait_queue(&tfile->wq.wait, &wait);
+ add_wait_queue(&tfile->socket.wq.wait, &wait);
while (1) {
set_current_state(TASK_INTERRUPTIBLE);
@@ -2185,7 +2184,7 @@ static void *tun_ring_recv(struct tun_file *tfile, int noblock, int *err)
}
__set_current_state(TASK_RUNNING);
- remove_wait_queue(&tfile->wq.wait, &wait);
+ remove_wait_queue(&tfile->socket.wq.wait, &wait);
out:
*err = error;
@@ -3415,8 +3414,7 @@ static int tun_chr_open(struct inode *inode, struct file * file)
tfile->flags = 0;
tfile->ifindex = 0;
- init_waitqueue_head(&tfile->wq.wait);
- RCU_INIT_POINTER(tfile->socket.wq, &tfile->wq);
+ init_waitqueue_head(&tfile->socket.wq.wait);
tfile->socket.file = file;
tfile->socket.ops = &tun_socket_ops;
diff --git a/include/linux/if_tap.h b/include/linux/if_tap.h
index 8e66866c11be..915a187cfabd 100644
--- a/include/linux/if_tap.h
+++ b/include/linux/if_tap.h
@@ -62,7 +62,6 @@ struct tap_dev {
struct tap_queue {
struct sock sk;
struct socket sock;
- struct socket_wq wq;
int vnet_hdr_sz;
struct tap_dev __rcu *tap;
struct file *file;
diff --git a/include/linux/net.h b/include/linux/net.h
index f7d672cf25b5..9cafb5f353a9 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -116,11 +116,11 @@ struct socket {
unsigned long flags;
- struct socket_wq *wq;
-
struct file *file;
struct sock *sk;
const struct proto_ops *ops;
+
+ struct socket_wq wq;
};
struct vm_area_struct;
diff --git a/include/net/sock.h b/include/net/sock.h
index 6cbc16136357..228db3998e46 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -1822,7 +1822,7 @@ static inline void sock_graft(struct sock *sk, struct socket *parent)
{
WARN_ON(parent->sk);
write_lock_bh(&sk->sk_callback_lock);
- rcu_assign_pointer(sk->sk_wq, parent->wq);
+ rcu_assign_pointer(sk->sk_wq, &parent->wq);
parent->sk = sk;
sk_set_socket(sk, parent);
sk->sk_uid = SOCK_INODE(parent)->i_uid;
@@ -2100,7 +2100,7 @@ static inline void sock_poll_wait(struct file *filp, struct socket *sock,
poll_table *p)
{
if (!poll_does_not_wait(p)) {
- poll_wait(filp, &sock->wq->wait, p);
+ poll_wait(filp, &sock->wq.wait, p);
/* We need to be sure we are in sync with the
* socket flags modification.
*
diff --git a/net/core/sock.c b/net/core/sock.c
index 0eb21384079d..3e073ca6138f 100644
--- a/net/core/sock.c
+++ b/net/core/sock.c
@@ -2847,7 +2847,7 @@ void sock_init_data(struct socket *sock, struct sock *sk)
if (sock) {
sk->sk_type = sock->type;
- RCU_INIT_POINTER(sk->sk_wq, sock->wq);
+ RCU_INIT_POINTER(sk->sk_wq, &sock->wq);
sock->sk = sk;
sk->sk_uid = SOCK_INODE(sock)->i_uid;
} else {
diff --git a/net/socket.c b/net/socket.c
index 541719a2443d..16449d6daeca 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -234,20 +234,13 @@ static struct kmem_cache *sock_inode_cachep __ro_after_init;
static struct inode *sock_alloc_inode(struct super_block *sb)
{
struct socket_alloc *ei;
- struct socket_wq *wq;
ei = kmem_cache_alloc(sock_inode_cachep, GFP_KERNEL);
if (!ei)
return NULL;
- wq = kmalloc(sizeof(*wq), GFP_KERNEL);
- if (!wq) {
- kmem_cache_free(sock_inode_cachep, ei);
- return NULL;
- }
- init_waitqueue_head(&wq->wait);
- wq->fasync_list = NULL;
- wq->flags = 0;
- ei->socket.wq = wq;
+ init_waitqueue_head(&ei->socket.wq.wait);
+ ei->socket.wq.fasync_list = NULL;
+ ei->socket.wq.flags = 0;
ei->socket.state = SS_UNCONNECTED;
ei->socket.flags = 0;
@@ -263,7 +256,6 @@ static void sock_free_inode(struct inode *inode)
struct socket_alloc *ei;
ei = container_of(inode, struct socket_alloc, vfs_inode);
- kfree(ei->socket.wq);
kmem_cache_free(sock_inode_cachep, ei);
}
@@ -599,7 +591,7 @@ static void __sock_release(struct socket *sock, struct inode *inode)
module_put(owner);
}
- if (sock->wq->fasync_list)
+ if (sock->wq.fasync_list)
pr_err("%s: fasync list not empty!\n", __func__);
if (!sock->file) {
@@ -1288,13 +1280,12 @@ static int sock_fasync(int fd, struct file *filp, int on)
{
struct socket *sock = filp->private_data;
struct sock *sk = sock->sk;
- struct socket_wq *wq;
+ struct socket_wq *wq = &sock->wq;
if (sk == NULL)
return -EINVAL;
lock_sock(sk);
- wq = sock->wq;
fasync_helper(fd, filp, on, &wq->fasync_list);
if (!wq->fasync_list)
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