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| author | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-10-01 21:52:40 +0400 |
|---|---|---|
| committer | Mauro Carvalho Chehab <mchehab@redhat.com> | 2012-10-01 21:52:40 +0400 |
| commit | aaf675f53a7176475f69595827248c8b2556ea8c (patch) | |
| tree | 0cb744dec714328c9f89bf85553fb7195107e5d4 /net/ipv6/raw.c | |
| parent | 347c4e95845fad1853c0e3da6603a44c5d6122b3 (diff) | |
| parent | a0d271cbfed1dd50278c6b06bead3d00ba0a88f9 (diff) | |
| download | linux-aaf675f53a7176475f69595827248c8b2556ea8c.tar.xz | |
Merge tag 'v3.6' into staging/for_v3.7
Linux 3.6
* tag 'v3.6': (562 commits)
Linux 3.6
vfs: dcache: fix deadlock in tree traversal
mtdchar: fix offset overflow detection
thp: avoid VM_BUG_ON page_count(page) false positives in __collapse_huge_page_copy
iommu/amd: Fix wrong assumption in iommu-group specific code
netdev: octeon: fix return value check in octeon_mgmt_init_phy()
ALSA: snd-usb: fix next_packet_size calls for pause case
inetpeer: fix token initialization
qlcnic: Fix scheduling while atomic bug
bnx2: Clean up remaining iounmap
trivial select_parent documentation fix
net: phy: smsc: Implement PHY config_init for LAN87xx
smsc75xx: fix resume after device reset
um: Preinclude include/linux/kern_levels.h
um: Fix IPC on um
netdev: pasemi: fix return value check in pasemi_mac_phy_init()
team: fix return value check
l2tp: fix return value check
USB: Fix race condition when removing host controllers
USB: ohci-at91: fix null pointer in ohci_hcd_at91_overcurrent_irq
...
Diffstat (limited to 'net/ipv6/raw.c')
| -rw-r--r-- | net/ipv6/raw.c | 21 |
1 files changed, 10 insertions, 11 deletions
diff --git a/net/ipv6/raw.c b/net/ipv6/raw.c index ef0579d5bca6..4a5f78b50495 100644 --- a/net/ipv6/raw.c +++ b/net/ipv6/raw.c @@ -107,21 +107,20 @@ found: * 0 - deliver * 1 - block */ -static __inline__ int icmpv6_filter(struct sock *sk, struct sk_buff *skb) +static int icmpv6_filter(const struct sock *sk, const struct sk_buff *skb) { - struct icmp6hdr *icmph; - struct raw6_sock *rp = raw6_sk(sk); - - if (pskb_may_pull(skb, sizeof(struct icmp6hdr))) { - __u32 *data = &rp->filter.data[0]; - int bit_nr; + struct icmp6hdr *_hdr; + const struct icmp6hdr *hdr; - icmph = (struct icmp6hdr *) skb->data; - bit_nr = icmph->icmp6_type; + hdr = skb_header_pointer(skb, skb_transport_offset(skb), + sizeof(_hdr), &_hdr); + if (hdr) { + const __u32 *data = &raw6_sk(sk)->filter.data[0]; + unsigned int type = hdr->icmp6_type; - return (data[bit_nr >> 5] & (1 << (bit_nr & 31))) != 0; + return (data[type >> 5] & (1U << (type & 31))) != 0; } - return 0; + return 1; } #if defined(CONFIG_IPV6_MIP6) || defined(CONFIG_IPV6_MIP6_MODULE) |