alpha: kernel: osf_sys: Set 'kts.tv_nsec' only when 'tv' has effect

The related warning:

    CC      init/do_mounts.o
  arch/alpha/kernel/osf_sys.c: In function 'SyS_osf_settimeofday':
  arch/alpha/kernel/osf_sys.c:1028:14: warning: 'kts.tv_nsec' may be used uninitialized in this function [-Wmaybe-uninitialized]
    kts.tv_nsec *= 1000;
                ^
  arch/alpha/kernel/osf_sys.c:1016:18: note: 'kts' was declared here
    struct timespec kts;
                    ^

Signed-off-by: Chen Gang <gang.chen.5i5j@gmail.com>
Signed-off-by: Matt Turner <mattst88@gmail.com>

diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index e51f578..36dc91a 100644 (file)
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -1019,14 +1019,13 @@ SYSCALL_DEFINE2(osf_settimeofday, struct timeval32 __user *, tv,
        if (tv) {
                if (get_tv32((struct timeval *)&kts, tv))
                        return -EFAULT;
+               kts.tv_nsec *= 1000;
        }
        if (tz) {
                if (copy_from_user(&ktz, tz, sizeof(*tz)))
                        return -EFAULT;
        }
 
-       kts.tv_nsec *= 1000;
-
        return do_sys_settimeofday(tv ? &kts : NULL, tz ? &ktz : NULL);
 }