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authorIngo Molnar <mingo@elte.hu>2012-01-17 09:51:46 +0100
committerIngo Molnar <mingo@elte.hu>2012-01-17 09:51:46 +0100
commit6eadf1075c6f923fece419e38cf05bff559aefcd (patch)
treeb743ce0a3743d6f1b915b19b077a6d5bad980ea1 /net/packet/af_packet.c
parenta1c611745c8c4e8996c1877d4e5d0fc95f227c38 (diff)
parentc10076c4304083af15a41f6bc5e657e781c1f9a6 (diff)
downloadop-kernel-dev-6eadf1075c6f923fece419e38cf05bff559aefcd.zip
op-kernel-dev-6eadf1075c6f923fece419e38cf05bff559aefcd.tar.gz
Merge branch 'tip/perf/urgent-2' of git://git.kernel.org/pub/scm/linux/kernel/git/rostedt/linux-trace into perf/urgent
Diffstat (limited to 'net/packet/af_packet.c')
-rw-r--r--net/packet/af_packet.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/net/packet/af_packet.c b/net/packet/af_packet.c
index 82a6f34..d9d4970 100644
--- a/net/packet/af_packet.c
+++ b/net/packet/af_packet.c
@@ -1630,8 +1630,7 @@ static int packet_rcv(struct sk_buff *skb, struct net_device *dev,
if (snaplen > res)
snaplen = res;
- if (atomic_read(&sk->sk_rmem_alloc) + skb->truesize >=
- (unsigned)sk->sk_rcvbuf)
+ if (atomic_read(&sk->sk_rmem_alloc) >= sk->sk_rcvbuf)
goto drop_n_acct;
if (skb_shared(skb)) {
@@ -1762,8 +1761,7 @@ static int tpacket_rcv(struct sk_buff *skb, struct net_device *dev,
if (po->tp_version <= TPACKET_V2) {
if (macoff + snaplen > po->rx_ring.frame_size) {
if (po->copy_thresh &&
- atomic_read(&sk->sk_rmem_alloc) + skb->truesize
- < (unsigned)sk->sk_rcvbuf) {
+ atomic_read(&sk->sk_rmem_alloc) < sk->sk_rcvbuf) {
if (skb_shared(skb)) {
copy_skb = skb_clone(skb, GFP_ATOMIC);
} else {
@@ -2450,8 +2448,12 @@ static int packet_do_bind(struct sock *sk, struct net_device *dev, __be16 protoc
{
struct packet_sock *po = pkt_sk(sk);
- if (po->fanout)
+ if (po->fanout) {
+ if (dev)
+ dev_put(dev);
+
return -EINVAL;
+ }
lock_sock(sk);
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