Merge remote-tracking branch 'asoc/fix/wm8731' into asoc-linus

[firefly-linux-kernel-4.4.55.git] / kernel / time / time.c

diff --git a/kernel/time/time.c b/kernel/time/time.c
index 6390517e77d48abb83c0d0ffec27864b4695c4c4..2c85b7724af4b0081a112e1b12cbcce4ef831117 100644 (file)
--- a/kernel/time/time.c
+++ b/kernel/time/time.c
@@ -196,6 +196,10 @@ SYSCALL_DEFINE2(settimeofday, struct timeval __user *, tv,
        if (tv) {
                if (copy_from_user(&user_tv, tv, sizeof(*tv)))
                        return -EFAULT;
+
+               if (!timeval_valid(&user_tv))
+                       return -EINVAL;
+
                new_ts.tv_sec = user_tv.tv_sec;
                new_ts.tv_nsec = user_tv.tv_usec * NSEC_PER_USEC;
        }