staging/lustre: use 64-bit ibn_incarnation computation
ibn_incarnation is a 64-bit value, but using timeval to compute
it will cause an overflow in 2038. This changes it to use
ktime_get_real_ts64() instead.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Oleg Drokin <green@linuxhacker.ru>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
diff --git a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
index faa70f0..c2cc4e4 100644
--- a/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
+++ b/drivers/staging/lustre/lnet/klnds/o2iblnd/o2iblnd.c
@@ -2749,7 +2749,7 @@
char *ifname;
kib_dev_t *ibdev = NULL;
kib_net_t *net;
- struct timeval tv;
+ struct timespec64 tv;
unsigned long flags;
int rc;
int newdev;
@@ -2767,8 +2767,9 @@
if (net == NULL)
goto net_failed;
- do_gettimeofday(&tv);
- net->ibn_incarnation = (((__u64)tv.tv_sec) * 1000000) + tv.tv_usec;
+ ktime_get_real_ts64(&tv);
+ net->ibn_incarnation = tv.tv_sec * USEC_PER_SEC +
+ tv.tv_nsec / NSEC_PER_USEC;
ni->ni_peertimeout = *kiblnd_tunables.kib_peertimeout;
ni->ni_maxtxcredits = *kiblnd_tunables.kib_credits;