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Diffstat (limited to 'net/core/netpoll.c')
-rw-r--r--net/core/netpoll.c10
1 files changed, 5 insertions, 5 deletions
diff --git a/net/core/netpoll.c b/net/core/netpoll.c
index 96a6ed37d4cc..62b4041aae1a 100644
--- a/net/core/netpoll.c
+++ b/net/core/netpoll.c
@@ -390,7 +390,7 @@ netdev_tx_t netpoll_send_skb(struct netpoll *np, struct sk_buff *skb)
}
EXPORT_SYMBOL(netpoll_send_skb);
-void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
+int netpoll_send_udp(struct netpoll *np, const char *msg, int len)
{
int total_len, ip_len, udp_len;
struct sk_buff *skb;
@@ -414,7 +414,7 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
skb = find_skb(np, total_len + np->dev->needed_tailroom,
total_len - len);
if (!skb)
- return;
+ return -ENOMEM;
skb_copy_to_linear_data(skb, msg, len);
skb_put(skb, len);
@@ -490,7 +490,7 @@ void netpoll_send_udp(struct netpoll *np, const char *msg, int len)
skb->dev = np->dev;
- netpoll_send_skb(np, skb);
+ return (int)netpoll_send_skb(np, skb);
}
EXPORT_SYMBOL(netpoll_send_udp);
@@ -636,7 +636,8 @@ int __netpoll_setup(struct netpoll *np, struct net_device *ndev)
goto out;
}
- if (!rcu_access_pointer(ndev->npinfo)) {
+ npinfo = rtnl_dereference(ndev->npinfo);
+ if (!npinfo) {
npinfo = kmalloc(sizeof(*npinfo), GFP_KERNEL);
if (!npinfo) {
err = -ENOMEM;
@@ -656,7 +657,6 @@ int __netpoll_setup(struct netpoll *np, struct net_device *ndev)
goto free_npinfo;
}
} else {
- npinfo = rtnl_dereference(ndev->npinfo);
refcount_inc(&npinfo->refcnt);
}