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net: sctp: Convert log timestamps to be y2038 safe

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SCTP probe log timestamps use struct timespec which is
not y2038 safe.
Use struct timespec64 which is 2038 safe instead.

Use monotonic time instead of real time as only time
differences are logged.

Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com>
Reviewed-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Cc: Vlad Yasevich <vyasevich@gmail.com>
Cc: Neil Horman <nhorman@tuxdriver.com>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: linux-sctp@vger.kernel.org
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Deepa Dinamani 2016-02-27 00:32:17 -08:00 committed by David S. Miller
parent b1b270d863
commit 6497c7e640
1 changed files with 5 additions and 5 deletions
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10
net/sctp/probe.c
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@ -65,7 +65,7 @@ static struct {
struct kfifo fifo;
spinlock_t lock;
wait_queue_head_t wait;
struct timespec tstart;
struct timespec64 tstart;
} sctpw;
static __printf(1, 2) void printl(const char *fmt, ...)
@ -85,7 +85,7 @@ static __printf(1, 2) void printl(const char *fmt, ...)
static int sctpprobe_open(struct inode *inode, struct file *file)
{
kfifo_reset(&sctpw.fifo);
getnstimeofday(&sctpw.tstart);
ktime_get_ts64(&sctpw.tstart);
return 0;
}
@ -138,7 +138,7 @@ static sctp_disposition_t jsctp_sf_eat_sack(struct net *net,
struct sk_buff *skb = chunk->skb;
struct sctp_transport *sp;
static __u32 lcwnd = 0;
struct timespec now;
struct timespec64 now;
sp = asoc->peer.primary_path;
@ -149,8 +149,8 @@ static sctp_disposition_t jsctp_sf_eat_sack(struct net *net,
(full || sp->cwnd != lcwnd)) {
lcwnd = sp->cwnd;
getnstimeofday(&now);
now = timespec_sub(now, sctpw.tstart);
ktime_get_ts64(&now);
now = timespec64_sub(now, sctpw.tstart);
printl("%lu.%06lu ", (unsigned long) now.tv_sec,
(unsigned long) now.tv_nsec / NSEC_PER_USEC);