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authorPatrick McHardy <kaber@trash.net>2007-11-13 12:23:22 +0100
committerAdrian Bunk <bunk@kernel.org>2007-11-13 12:23:22 +0100
commit47d5d333edbb27fe52da914c606dbc894826bcf3 (patch)
tree8a6dd2033b2310984554baa26c726f8bd46e2f68 /net
parent624e4ff675005168e71d297185f4b75dbdf650af (diff)
[NETLINK]: Fix unicast timeouts
[ Upstream commit: c3d8d1e30cace31fed6186a4b8c6b1401836d89c ] Commit ed6dcf4a in the history.git tree broke netlink_unicast timeouts by moving the schedule_timeout() call to a new function that doesn't propagate the remaining timeout back to the caller. This means on each retry we start with the full timeout again. ipc/mqueue.c seems to actually want to wait indefinitely so this behaviour is retained. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Adrian Bunk <bunk@kernel.org>
Diffstat (limited to 'net')
-rw-r--r--net/netlink/af_netlink.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 59dc7d140600..a896856aeb3b 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -703,7 +703,7 @@ struct sock *netlink_getsockbyfilp(struct file *filp)
* 1: repeat lookup - reference dropped while waiting for socket memory.
*/
int netlink_attachskb(struct sock *sk, struct sk_buff *skb, int nonblock,
- long timeo, struct sock *ssk)
+ long *timeo, struct sock *ssk)
{
struct netlink_sock *nlk;
@@ -712,7 +712,7 @@ int netlink_attachskb(struct sock *sk, struct sk_buff *skb, int nonblock,
if (atomic_read(&sk->sk_rmem_alloc) > sk->sk_rcvbuf ||
test_bit(0, &nlk->state)) {
DECLARE_WAITQUEUE(wait, current);
- if (!timeo) {
+ if (!*timeo) {
if (!ssk || nlk_sk(ssk)->pid == 0)
netlink_overrun(sk);
sock_put(sk);
@@ -726,7 +726,7 @@ int netlink_attachskb(struct sock *sk, struct sk_buff *skb, int nonblock,
if ((atomic_read(&sk->sk_rmem_alloc) > sk->sk_rcvbuf ||
test_bit(0, &nlk->state)) &&
!sock_flag(sk, SOCK_DEAD))
- timeo = schedule_timeout(timeo);
+ *timeo = schedule_timeout(*timeo);
__set_current_state(TASK_RUNNING);
remove_wait_queue(&nlk->wait, &wait);
@@ -734,7 +734,7 @@ int netlink_attachskb(struct sock *sk, struct sk_buff *skb, int nonblock,
if (signal_pending(current)) {
kfree_skb(skb);
- return sock_intr_errno(timeo);
+ return sock_intr_errno(*timeo);
}
return 1;
}
@@ -798,7 +798,7 @@ retry:
kfree_skb(skb);
return PTR_ERR(sk);
}
- err = netlink_attachskb(sk, skb, nonblock, timeo, ssk);
+ err = netlink_attachskb(sk, skb, nonblock, &timeo, ssk);
if (err == 1)
goto retry;
if (err)