[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>
diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index fee171e..c67d00e 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -847,7 +847,7 @@
*/
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 @@
/*
* 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();
diff --git a/net/ipv4/ip_options.c b/net/ipv4/ip_options.c
index d107543..33126ad 100644
--- a/net/ipv4/ip_options.c
+++ b/net/ipv4/ip_options.c
@@ -55,10 +55,10 @@
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 @@
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;
}