diff options
Diffstat (limited to 'net')
-rw-r--r-- | net/netlink/af_netlink.c | 18 |
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); |
1477 | out: | 1482 | out: |
@@ -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 | */ |