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[IPV4]: Convert do_gettimeofday() to getnstimeofday(). 

What do_gettimeofday() does is to call getnstimeofday() and
to convert the result from timespec{} to timeval{}.
After that, these callers convert the result again to msec.
Use getnstimeofday() and convert the units at once.

Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
YOSHIFUJI Hideaki 2008-04-21 02:34:08 -07:00 committed by David S. Miller
parent 263173af5b
commit f25c3d613b
2 changed files with 10 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
net/ipv4/icmp.c
View File

@ -847,7 +847,7 @@ static void icmp_echo(struct sk_buff *skb)
*/
static void icmp_timestamp(struct sk_buff *skb)
{
struct timeval tv;
struct timespec tv;
struct icmp_bxm icmp_param;
/*
* Too short.
@ -858,9 +858,9 @@ static void icmp_timestamp(struct sk_buff *skb)
/*
* Fill in the current time as ms since midnight UT:
*/
do_gettimeofday(&tv);
icmp_param.data.times[1] = htonl((tv.tv_sec % 86400) * 1000 +
tv.tv_usec / 1000);
getnstimeofday(&tv);
icmp_param.data.times[1] = htonl((tv.tv_sec % 86400) * MSEC_PER_SEC +
tv.tv_nsec / NSEC_PER_MSEC);
icmp_param.data.times[2] = icmp_param.data.times[1];
if (skb_copy_bits(skb, 0, &icmp_param.data.times[0], 4))
BUG();

12
net/ipv4/ip_options.c
View File

@ -55,10 +55,10 @@ void ip_options_build(struct sk_buff * skb, struct ip_options * opt,
if (opt->ts_needaddr)
ip_rt_get_source(iph+opt->ts+iph[opt->ts+2]-9, rt);
if (opt->ts_needtime) {
struct timeval tv;
struct timespec tv;
__be32 midtime;
do_gettimeofday(&tv);
midtime = htonl((tv.tv_sec % 86400) * 1000 + tv.tv_usec / 1000);
getnstimeofday(&tv);
midtime = htonl((tv.tv_sec % 86400) * MSEC_PER_SEC + tv.tv_nsec / NSEC_PER_MSEC);
memcpy(iph+opt->ts+iph[opt->ts+2]-5, &midtime, 4);
}
return;
@ -406,10 +406,10 @@ int ip_options_compile(struct net *net,
break;
}
if (timeptr) {
struct timeval tv;
struct timespec tv;
__be32 midtime;
do_gettimeofday(&tv);
midtime = htonl((tv.tv_sec % 86400) * 1000 + tv.tv_usec / 1000);
getnstimeofday(&tv);
midtime = htonl((tv.tv_sec % 86400) * MSEC_PER_SEC + tv.tv_nsec / NSEC_PER_MSEC);
memcpy(timeptr, &midtime, sizeof(__be32));
opt->is_changed = 1;
}