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Don't try to "validate" a non-existing timeval. 

settime() with a NULL timeval is silly but legal.

Noticed by Dave Jones <davej@redhat.com>

Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Linus Torvalds 2006-01-31 10:16:55 -08:00
parent 3ee68c4af3
commit 951069e311
2 changed files with 3 additions and 3 deletions
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2
kernel/time.c
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@ -155,7 +155,7 @@ int do_sys_settimeofday(struct timespec *tv, struct timezone *tz)
static int firsttime = 1;
int error = 0;
if (!timespec_valid(tv))
if (tv && !timespec_valid(tv))
return -EINVAL;
error = security_settime(tv, tz);

4
security/seclvl.c
View File

@ -368,8 +368,8 @@ static int seclvl_capable(struct task_struct *tsk, int cap)
*/
static int seclvl_settime(struct timespec *tv, struct timezone *tz)
{
struct timespec now;
if (seclvl > 1) {
if (tv && seclvl > 1) {
struct timespec now;
now = current_kernel_time();
if (tv->tv_sec < now.tv_sec ||
(tv->tv_sec == now.tv_sec && tv->tv_nsec < now.tv_nsec)) {