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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-25 05:55:48 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-07-25 05:55:48 +0200 |
| commit | ee05eff6f79c25617e5b7d7677b8f79d26abbe37 (patch) | |
| tree | 1efa14a8b5c79c3c986aca34dce13745760ea66c /net/ipv4/gre.c | |
| parent | gma500: udlay(20000) is too large (diff) | |
| parent | bnx2x: use pci_pcie_cap() (diff) | |
| download | linux-ee05eff6f79c25617e5b7d7677b8f79d26abbe37.tar.xz linux-ee05eff6f79c25617e5b7d7677b8f79d26abbe37.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (145 commits)
bnx2x: use pci_pcie_cap()
bnx2x: fix bnx2x_stop_on_error flow in bnx2x_sp_rtnl_task
bnx2x: enable internal target-read for 57712 and up only
bnx2x: count statistic ramrods on EQ to prevent MC assert
bnx2x: fix loopback for non 10G link
bnx2x: dcb - send all unmapped priorities to same COS as L2
iwlwifi: Fix build with CONFIG_PM disabled.
gre: fix improper error handling
ipv4: use RT_TOS after some rt_tos conversions
via-velocity: remove duplicated #include
qlge: remove duplicated #include
igb: remove duplicated #include
can: c_can: remove duplicated #include
bnad: remove duplicated #include
net: allow netif_carrier to be called safely from IRQ
bna: Header File Consolidation
bna: HW Error Counter Fix
bna: Add HW Semaphore Unlock Logic
bna: IOC Event Name Change
bna: Mboxq Flush When IOC Disabled
...
Diffstat (limited to 'net/ipv4/gre.c')
| -rw-r--r-- | net/ipv4/gre.c | 21 |
1 files changed, 6 insertions, 15 deletions
diff --git a/net/ipv4/gre.c b/net/ipv4/gre.c index 9dbe10875fbd..dbfc21de3479 100644 --- a/net/ipv4/gre.c +++ b/net/ipv4/gre.c @@ -15,6 +15,7 @@ #include <linux/kmod.h> #include <linux/skbuff.h> #include <linux/in.h> +#include <linux/ip.h> #include <linux/netdevice.h> #include <linux/spinlock.h> #include <net/protocol.h> @@ -96,27 +97,17 @@ drop: static void gre_err(struct sk_buff *skb, u32 info) { const struct gre_protocol *proto; - u8 ver; - - if (!pskb_may_pull(skb, 12)) - goto drop; + const struct iphdr *iph = (const struct iphdr *)skb->data; + u8 ver = skb->data[(iph->ihl<<2) + 1]&0x7f; - ver = skb->data[1]&0x7f; if (ver >= GREPROTO_MAX) - goto drop; + return; rcu_read_lock(); proto = rcu_dereference(gre_proto[ver]); - if (!proto || !proto->err_handler) - goto drop_unlock; - proto->err_handler(skb, info); - rcu_read_unlock(); - return; - -drop_unlock: + if (proto && proto->err_handler) + proto->err_handler(skb, info); rcu_read_unlock(); -drop: - kfree_skb(skb); } static const struct net_protocol net_gre_protocol = { |