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Diffstat (limited to 'net')
-rw-r--r--net/netlink/af_netlink.c18
1 files changed, 14 insertions, 4 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index 478181d53c55..1f924595bdef 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1407,7 +1407,7 @@ static int netlink_recvmsg(struct kiocb *kiocb, struct socket *sock,
1407 int noblock = flags&MSG_DONTWAIT; 1407 int noblock = flags&MSG_DONTWAIT;
1408 size_t copied; 1408 size_t copied;
1409 struct sk_buff *skb, *data_skb; 1409 struct sk_buff *skb, *data_skb;
1410 int err; 1410 int err, ret;
1411 1411
1412 if (flags&MSG_OOB) 1412 if (flags&MSG_OOB)
1413 return -EOPNOTSUPP; 1413 return -EOPNOTSUPP;
@@ -1470,8 +1470,13 @@ static int netlink_recvmsg(struct kiocb *kiocb, struct socket *sock,
1470 1470
1471 skb_free_datagram(sk, skb); 1471 skb_free_datagram(sk, skb);
1472 1472
1473 if (nlk->cb && atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf / 2) 1473 if (nlk->cb && atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf / 2) {
1474 netlink_dump(sk); 1474 ret = netlink_dump(sk);
1475 if (ret) {
1476 sk->sk_err = ret;
1477 sk->sk_error_report(sk);
1478 }
1479 }
1475 1480
1476 scm_recv(sock, msg, siocb->scm, flags); 1481 scm_recv(sock, msg, siocb->scm, flags);
1477out: 1482out:
@@ -1736,6 +1741,7 @@ int netlink_dump_start(struct sock *ssk, struct sk_buff *skb,
1736 struct netlink_callback *cb; 1741 struct netlink_callback *cb;
1737 struct sock *sk; 1742 struct sock *sk;
1738 struct netlink_sock *nlk; 1743 struct netlink_sock *nlk;
1744 int ret;
1739 1745
1740 cb = kzalloc(sizeof(*cb), GFP_KERNEL); 1746 cb = kzalloc(sizeof(*cb), GFP_KERNEL);
1741 if (cb == NULL) 1747 if (cb == NULL)
@@ -1764,9 +1770,13 @@ int netlink_dump_start(struct sock *ssk, struct sk_buff *skb,
1764 nlk->cb = cb; 1770 nlk->cb = cb;
1765 mutex_unlock(nlk->cb_mutex); 1771 mutex_unlock(nlk->cb_mutex);
1766 1772
1767 netlink_dump(sk); 1773 ret = netlink_dump(sk);
1774
1768 sock_put(sk); 1775 sock_put(sk);
1769 1776
1777 if (ret)
1778 return ret;
1779
1770 /* We successfully started a dump, by returning -EINTR we 1780 /* We successfully started a dump, by returning -EINTR we
1771 * signal not to send ACK even if it was requested. 1781 * signal not to send ACK even if it was requested.
1772 */ 1782 */