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Diffstat (limited to 'net')
-rw-r--r--net/netlink/af_netlink.c8
-rw-r--r--net/wimax/op-msg.c9
-rw-r--r--net/wimax/stack.c12
3 files changed, 13 insertions, 16 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 9eb895c7a2a9..6ee69c27f806 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -950,6 +950,7 @@ struct netlink_broadcast_data {
u32 pid;
u32 group;
int failure;
+ int delivery_failure;
int congested;
int delivered;
gfp_t allocation;
@@ -999,6 +1000,7 @@ static inline int do_one_broadcast(struct sock *sk,
p->skb2 = NULL;
} else if ((val = netlink_broadcast_deliver(sk, p->skb2)) < 0) {
netlink_overrun(sk);
+ p->delivery_failure = 1;
} else {
p->congested |= val;
p->delivered = 1;
@@ -1025,6 +1027,7 @@ int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, u32 pid,
info.pid = pid;
info.group = group;
info.failure = 0;
+ info.delivery_failure = 0;
info.congested = 0;
info.delivered = 0;
info.allocation = allocation;
@@ -1045,13 +1048,14 @@ int netlink_broadcast(struct sock *ssk, struct sk_buff *skb, u32 pid,
if (info.skb2)
kfree_skb(info.skb2);
+ if (info.delivery_failure || info.failure)
+ return -ENOBUFS;
+
if (info.delivered) {
if (info.congested && (allocation & __GFP_WAIT))
yield();
return 0;
}
- if (info.failure)
- return -ENOBUFS;
return -ESRCH;
}
EXPORT_SYMBOL(netlink_broadcast);
diff --git a/net/wimax/op-msg.c b/net/wimax/op-msg.c
index cb3b4ad53683..5d149c1b5f0d 100644
--- a/net/wimax/op-msg.c
+++ b/net/wimax/op-msg.c
@@ -258,7 +258,6 @@ EXPORT_SYMBOL_GPL(wimax_msg_len);
*/
int wimax_msg_send(struct wimax_dev *wimax_dev, struct sk_buff *skb)
{
- int result;
struct device *dev = wimax_dev->net_dev->dev.parent;
void *msg = skb->data;
size_t size = skb->len;
@@ -266,11 +265,9 @@ int wimax_msg_send(struct wimax_dev *wimax_dev, struct sk_buff *skb)
d_printf(1, dev, "CTX: wimax msg, %zu bytes\n", size);
d_dump(2, dev, msg, size);
- result = genlmsg_multicast(skb, 0, wimax_gnl_mcg.id, GFP_KERNEL);
- d_printf(1, dev, "CTX: genl multicast result %d\n", result);
- if (result == -ESRCH) /* Nobody connected, ignore it */
- result = 0; /* btw, the skb is freed already */
- return result;
+ genlmsg_multicast(skb, 0, wimax_gnl_mcg.id, GFP_KERNEL);
+ d_printf(1, dev, "CTX: genl multicast done\n");
+ return 0;
}
EXPORT_SYMBOL_GPL(wimax_msg_send);
diff --git a/net/wimax/stack.c b/net/wimax/stack.c
index 3869c0327882..a0ee76b52510 100644
--- a/net/wimax/stack.c
+++ b/net/wimax/stack.c
@@ -163,16 +163,12 @@ int wimax_gnl_re_state_change_send(
struct device *dev = wimax_dev_to_dev(wimax_dev);
d_fnstart(3, dev, "(wimax_dev %p report_skb %p)\n",
wimax_dev, report_skb);
- if (report_skb == NULL)
+ if (report_skb == NULL) {
+ result = -ENOMEM;
goto out;
- genlmsg_end(report_skb, header);
- result = genlmsg_multicast(report_skb, 0, wimax_gnl_mcg.id, GFP_KERNEL);
- if (result == -ESRCH) /* Nobody connected, ignore it */
- result = 0; /* btw, the skb is freed already */
- if (result < 0) {
- dev_err(dev, "RE_STCH: Error sending: %d\n", result);
- nlmsg_free(report_skb);
}
+ genlmsg_end(report_skb, header);
+ genlmsg_multicast(report_skb, 0, wimax_gnl_mcg.id, GFP_KERNEL);
out:
d_fnend(3, dev, "(wimax_dev %p report_skb %p) = %d\n",
wimax_dev, report_skb, result);