xiaomi-sm8450/android_kernel_xiaomi_sm8450
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Phonet: allocate sock from accept syscall rather than soft IRQ

Browse Source 
This moves most of the accept logic to process context like other
socket stacks do. Then we can use a few more common socket helpers
and simplify a bit.

Signed-off-by: Rémi Denis-Courmont <remi.denis-courmont@nokia.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Rémi Denis-Courmont
2011-03-08 22:44:10 +00:00
committed by David S. Miller
parent 44c9ab16d2
commit f7ae8d59f6
3 changed files with 127 additions and 180 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
net/phonet/socket.c
View File

@@ -327,6 +327,9 @@ static int pn_socket_accept(struct socket *sock, struct socket *newsock,
struct sock *newsk;
int err;
if (unlikely(sk->sk_state != TCP_LISTEN))
return -EINVAL;
newsk = sk->sk_prot->accept(sk, flags, &err);
if (!newsk)
return err;
@@ -363,13 +366,8 @@ static unsigned int pn_socket_poll(struct file *file, struct socket *sock,
poll_wait(file, sk_sleep(sk), wait);
switch (sk->sk_state) {
case TCP_LISTEN:
return hlist_empty(&pn->ackq) ? 0 : POLLIN;
case TCP_CLOSE:
if (sk->sk_state == TCP_CLOSE)
return POLLERR;
}
if (!skb_queue_empty(&sk->sk_receive_queue))
mask |= POLLIN | POLLRDNORM;
if (!skb_queue_empty(&pn->ctrlreq_queue))