Re: [next:master 156/212] fs/binfmt_elf.c:158:18: note: in expansion of macro 'min'

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On 06/26/2014 06:44 AM, David Rientjes wrote:
> On Wed, 25 Jun 2014, Jeff Liu wrote:
> 
>>>    fs/binfmt_elf.c: In function 'get_atrandom_bytes':
>>>    include/linux/kernel.h:713:17: warning: comparison of distinct pointer types lacks a cast
>>>      (void) (&_min1 == &_min2);  \
>>>                     ^
>>>>> fs/binfmt_elf.c:158:18: note: in expansion of macro 'min'
>>>       size_t chunk = min(nbytes, sizeof(random_variable));
>>
>> I remember we have the same report on arch mn10300 about half a year ago, but the code
>> is correct. :)
>>
> 
> Casting the sizeof operator to size_t would fix this issue on am33.

Thanks for pointing this out, I once considered to use min_t() to do explicitly casting.
However, both values to compare are already size_t, maybe this depending on the compiler's
result of what sizeof() would be...


Cheers,
-Jeff

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