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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-18 05:34:37 +0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2010-08-18 05:34:37 +0400 |
| commit | e14f64c2079240082f3c5bf98d9ecf3dc6780338 (patch) | |
| tree | 9f0c0e3d76478d28312fb4a2def479179a5548c6 /net/netlink | |
| parent | 602586a83b719df0fbd94196a1359ed35aeb2df3 (diff) | |
| parent | e5093aec2e6b60c3df2420057ffab9ed4a6d2792 (diff) | |
| download | linux-e14f64c2079240082f3c5bf98d9ecf3dc6780338.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
net: Fix a memmove bug in dev_gro_receive()
net sched: fix some kernel memory leaks
netfilter: {ip,ip6,arp}_tables: avoid lockdep false positive
Revert "netlink: netlink_recvmsg() fix"
ipv6: remove sysctl jiffies conversion on gc_elasticity and min_adv_mss
xfrm: Use GFP_ATOMIC in xfrm_compile_policy
ath5k: disable ASPM L0s for all cards
ath9k_htc: load proper firmware for device ID 7015
wl1251: fix trigger scan timeout usage
ath9k_htc: Fix disconnect issue in HT40 mode.
ath9k_htc: fix panic on packet injection using airbase-ng tool.
ipw2100: register pm_qos request before registering pci driver
Diffstat (limited to 'net/netlink')
| -rw-r--r-- | net/netlink/af_netlink.c | 22 |
1 files changed, 6 insertions, 16 deletions
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c index 2cbf380377d5..8648a9922aab 100644 --- a/net/netlink/af_netlink.c +++ b/net/netlink/af_netlink.c @@ -1406,7 +1406,7 @@ static int netlink_recvmsg(struct kiocb *kiocb, struct socket *sock, struct netlink_sock *nlk = nlk_sk(sk); int noblock = flags&MSG_DONTWAIT; size_t copied; - struct sk_buff *skb; + struct sk_buff *skb, *frag __maybe_unused = NULL; int err; if (flags&MSG_OOB) @@ -1441,21 +1441,7 @@ static int netlink_recvmsg(struct kiocb *kiocb, struct socket *sock, kfree_skb(skb); skb = compskb; } else { - /* - * Before setting frag_list to NULL, we must get a - * private copy of skb if shared (because of MSG_PEEK) - */ - if (skb_shared(skb)) { - struct sk_buff *nskb; - - nskb = pskb_copy(skb, GFP_KERNEL); - kfree_skb(skb); - skb = nskb; - err = -ENOMEM; - if (!skb) - goto out; - } - kfree_skb(skb_shinfo(skb)->frag_list); + frag = skb_shinfo(skb)->frag_list; skb_shinfo(skb)->frag_list = NULL; } } @@ -1492,6 +1478,10 @@ static int netlink_recvmsg(struct kiocb *kiocb, struct socket *sock, if (flags & MSG_TRUNC) copied = skb->len; +#ifdef CONFIG_COMPAT_NETLINK_MESSAGES + skb_shinfo(skb)->frag_list = frag; +#endif + skb_free_datagram(sk, skb); if (nlk->cb && atomic_read(&sk->sk_rmem_alloc) <= sk->sk_rcvbuf / 2) |