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-rw-r--r--net/compat.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/net/compat.c b/net/compat.c
index 1f32866d09b7..17c2710b2b93 100644
--- a/net/compat.c
+++ b/net/compat.c
@@ -545,15 +545,20 @@ int compat_sock_get_timestamp(struct sock *sk, struct timeval __user *userstamp)
545 struct compat_timeval __user *ctv = 545 struct compat_timeval __user *ctv =
546 (struct compat_timeval __user*) userstamp; 546 (struct compat_timeval __user*) userstamp;
547 int err = -ENOENT; 547 int err = -ENOENT;
548 struct timeval tv;
548 549
549 if (!sock_flag(sk, SOCK_TIMESTAMP)) 550 if (!sock_flag(sk, SOCK_TIMESTAMP))
550 sock_enable_timestamp(sk); 551 sock_enable_timestamp(sk);
551 if (sk->sk_stamp.tv_sec == -1) 552 tv = ktime_to_timeval(sk->sk_stamp);
553 if (tv.tv_sec == -1)
552 return err; 554 return err;
553 if (sk->sk_stamp.tv_sec == 0) 555 if (tv.tv_sec == 0) {
554 do_gettimeofday(&sk->sk_stamp); 556 sk->sk_stamp = ktime_get_real();
555 if (put_user(sk->sk_stamp.tv_sec, &ctv->tv_sec) || 557 tv = ktime_to_timeval(sk->sk_stamp);
556 put_user(sk->sk_stamp.tv_usec, &ctv->tv_usec)) 558 }
559 err = 0;
560 if (put_user(tv.tv_sec, &ctv->tv_sec) ||
561 put_user(tv.tv_usec, &ctv->tv_usec))
557 err = -EFAULT; 562 err = -EFAULT;
558 return err; 563 return err;
559} 564}