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Herbert Xu 3305b80c21 [IP]: Simplify and consolidate MSG_PEEK error handling 
When a packet is obtained from skb_recv_datagram with MSG_PEEK enabled
it is left on the socket receive queue.  This means that when we detect
a checksum error we have to be careful when trying to free the packet
as someone could have dequeued it in the time being.

Currently this delicate logic is duplicated three times between UDPv4,
UDPv6 and RAWv6.  This patch moves them into a one place and simplifies
the code somewhat.

This is based on a suggestion by Eric Dumazet.

Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
 		2006-01-03 13:10:41 -08:00
..
802 [NET]: kfree cleanup 2005-11-08 09:41:34 -08:00
8021q [VLAN]: Add two missing checks to vlan_ioctl_handler() 2005-12-21 18:39:49 -08:00
appletalk [APPLETALK]: Fix broadcast bug. 2005-09-27 16:11:29 -07:00
atm [ATM]: deregistration removes device from atm_devs list immediately 2005-11-29 16:16:41 -08:00
ax25 [NET]: kfree cleanup 2005-11-08 09:41:34 -08:00
bluetooth [Bluetooth]: Remove the usage of /proc completely 2005-11-08 09:57:38 -08:00
bridge [NETFILTER] ebtables: Support nf_log API from ebt_log and ebt_ulog 2006-01-03 13:10:30 -08:00
core [IP]: Simplify and consolidate MSG_PEEK error handling 2006-01-03 13:10:41 -08:00
dccp [DCCP]: Introduce dccp_ipv4_af_ops 2006-01-03 13:10:40 -08:00
decnet [DECNET]: add memory buffer settings 2005-12-05 13:42:06 -08:00
econet [IPV4]: Replace __in_dev_get with __in_dev_get_rcu/rtnl 2005-10-03 14:35:55 -07:00
ethernet [NET]: kfree cleanup 2005-11-08 09:41:34 -08:00
ieee80211 [PATCH] ieee80211_crypt_tkip depends on NET_RADIO 2005-12-12 23:59:28 -05:00
ipv4 [IP]: Simplify and consolidate MSG_PEEK error handling 2006-01-03 13:10:41 -08:00
ipv6 [IP]: Simplify and consolidate MSG_PEEK error handling 2006-01-03 13:10:41 -08:00
ipx [NET]: Fix sparse warnings 2005-08-29 16:01:32 -07:00
irda [NET]: kfree cleanup 2005-11-08 09:41:34 -08:00
key [LSM-IPSec]: Security association restriction. 2006-01-03 13:10:24 -08:00
lapb [NET]: Kill skb->list 2005-08-29 15:31:14 -07:00
llc [LLC]: Fix compiler warnings introduced by TX window scaling changes. 2005-11-17 15:17:42 -08:00
netfilter [NETFILTER]: Wait for untracked references in nf_conntrack module unload 2005-12-05 13:36:50 -08:00
netlink [NETLINK]: Use tgid instead of pid for nlmsg_pid 2005-11-22 14:41:50 -08:00
netrom [NETROM]: Fix three if-statements in nr_state1_machine() 2005-12-21 18:38:26 -08:00
packet [AF_PACKET]: Convert PACKET_MMAP over to vm_insert_page(). 2005-12-06 16:38:35 -08:00
rose [NET]: kfree cleanup 2005-11-08 09:41:34 -08:00
rxrpc [NET]: Detect hardware rx checksum faults correctly 2005-11-10 13:01:24 -08:00
sched [PKT_SCHED]: Disable debug tracing logs by default in packet action API. 2005-12-13 22:59:50 -08:00
sctp [SCTP]: Fix sctp to not return erroneous POLLOUT events. 2005-12-19 14:24:40 -08:00
sunrpc SUNRPC: Fix "EPIPE" error on mount of rpcsec_gss-protected partitions 2005-12-19 23:12:21 -05:00
unix [PATCH] add a vfs_permission helper 2005-11-09 07:55:58 -08:00
wanrouter [NET]: kfree cleanup 2005-11-08 09:41:34 -08:00
x25 [TCP]: Move the tcp sock states to net/tcp_states.h 2005-08-29 15:41:54 -07:00
xfrm [LSM-IPSec]: Security association restriction. 2006-01-03 13:10:24 -08:00
Kconfig [NETFILTER] move nfnetlink options to right location in kconfig menu 2005-09-17 00:41:21 -07:00
Makefile [NETFILTER]: link 'netfilter' before ipv4 2005-11-14 15:25:59 -08:00
TUNABLE Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
compat.c [PATCH] Fix 32bit sendmsg() flaw 2005-09-08 08:14:11 -07:00
nonet.c Linux-2.6.12-rc2 2005-04-16 15:20:36 -07:00
socket.c [NET]: Fix module reference counts for loadable protocol modules 2005-09-27 15:23:38 -07:00
sysctl_net.c [NET]: Fix "sysctl_net.c:36: error: 'core_table' undeclared here" 2005-10-03 14:16:34 -07:00