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net: annotate inet_timewait_sock bitfields 

The use of bitfields here would lead to false positive warnings with
kmemcheck. Silence them.

(Additionally, one erroneous comment related to the bitfield was also
fixed.)

Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>
This commit is contained in:
Vegard Nossum 2008-10-18 17:37:51 +02:00
parent 96c25c81ec
commit 9e337b0fb3
2 changed files with 7 additions and 1 deletions
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5
include/net/inet_timewait_sock.h
View File

@ -16,6 +16,7 @@
#define _INET_TIMEWAIT_SOCK_
#include <linux/kmemcheck.h>
#include <linux/list.h>
#include <linux/module.h>
#include <linux/timer.h>
@ -127,10 +128,12 @@ struct inet_timewait_sock {
__be32 tw_rcv_saddr;
__be16 tw_dport;
__u16 tw_num;
kmemcheck_bitfield_begin(flags);
/* And these are ours. */
__u8 tw_ipv6only:1,
tw_transparent:1;
/* 15 bits hole, try to pack */
/* 14 bits hole, try to pack */
kmemcheck_bitfield_end(flags);
__u16 tw_ipv6_offset;
unsigned long tw_ttd;
struct inet_bind_bucket *tw_tb;

3
net/ipv4/inet_timewait_sock.c
View File

@ -9,6 +9,7 @@
*/
#include <linux/kernel.h>
#include <linux/kmemcheck.h>
#include <net/inet_hashtables.h>
#include <net/inet_timewait_sock.h>
#include <net/ip.h>
@ -117,6 +118,8 @@ struct inet_timewait_sock *inet_twsk_alloc(const struct sock *sk, const int stat
if (tw != NULL) {
const struct inet_sock *inet = inet_sk(sk);
kmemcheck_annotate_bitfield(tw, flags);
/* Give us an identity. */
tw->tw_daddr = inet->daddr;
tw->tw_rcv_saddr = inet->rcv_saddr;