[PATCH] Get rid of Werror=maybe-uninitialized in clock_nanosleep.c.

[Stefan Liebler]

On 12/9/19 1:59 PM, Stefan Liebler wrote:
> On 12/3/19 9:50 AM, Stefan Liebler wrote:
>> Hi,
>>
>> If build with -O3 on s390 (31bit) on kernels < 5.1, there are the 
>> following werrors:
>> ../sysdeps/unix/sysv/linux/clock_nanosleep.c:91:12: error: ‘*((void 
>> *)&trem64+12)’ may be used uninitialized in this function 
>> [-Werror=maybe-uninitialized]
>> *rem = valid_timespec64_to_timespec (trem64);
>>
>> ../include/time.h:264:15: error: ‘trem64’ may be used uninitialized in 
>> this function [-Werror=maybe-uninitialized]
>> ts.tv_sec = (time_t) ts64.tv_sec;
>>
>> This patch moves the calculation of r before the if condition.  Then GCC
>> recognizes that the condition here and in __clock_nanosleep equals and 
>> that
>> trem64 in __clock_nanosleep is initialized.
>>
>> Bye
>> Stefan
> 
> ping
> 
ping