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Kernel socket missing err_hook fix

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Thanks to Tim Weippert for bugreport.
This commit is contained in:
Jan Moskyto Matejka 2016-09-29 12:00:53 +02:00
parent 79e2293ab2
commit ccd2a3eda2
3 changed files with 15 additions and 1 deletions
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7
sysdep/bsd/krt-sock.c
View file

@ -911,6 +911,12 @@ krt_sock_hook(sock *sk, int size UNUSED)
return 0;
}
static void
krt_sock_err_hook(sock *sk, int e UNUSED)
{
krt_sock_hook(sk, 0);
}
static sock *
krt_sock_open(pool *pool, void *data, int table_id)
{
@ -932,6 +938,7 @@ krt_sock_open(pool *pool, void *data, int table_id)
sk = sk_new(pool);
sk->type = SK_MAGIC;
sk->rx_hook = krt_sock_hook;
sk->err_hook = krt_sock_err_hook;
sk->fd = fd;
sk->data = data;

7
sysdep/linux/netlink.c
View file

@ -1525,6 +1525,12 @@ nl_async_hook(sock *sk, int size UNUSED)
return 1;
}
static void
nl_async_err_hook(sock *sk, int e UNUSED)
{
nl_async_hook(sk, 0);
}
static void
nl_open_async(void)
{
@ -1563,6 +1569,7 @@ nl_open_async(void)
sk = nl_async_sk = sk_new(krt_pool);
sk->type = SK_MAGIC;
sk->rx_hook = nl_async_hook;
sk->err_hook = nl_async_err_hook;
sk->fd = fd;
if (sk_open(sk) < 0)
bug("Netlink: sk_open failed");

2
sysdep/unix/io.c
View file

@ -1857,7 +1857,7 @@ void
sk_err(sock *s, int revents)
{
int se = 0, sse = sizeof(se);
if (revents & POLLERR)
if ((s->type != SK_MAGIC) && (revents & POLLERR))
if (getsockopt(s->fd, SOL_SOCKET, SO_ERROR, &se, &sse) < 0)
{
log(L_ERR "IO: Socket error: SO_ERROR: %m");