[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>

1 files changed, 4 insertions, 4 deletions

diff --git a/net/ipv4/icmp.c b/net/ipv4/icmp.c
index fee171ec6588..c67d00e8c600 100644
--- a/net/ipv4/icmp.c
+++ b/net/ipv4/icmp.c
@@ -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();