On 2019/2/13 11:32, Chao Yu wrote:
> On 2019/2/12 2:45, Dan Carpenter wrote:
>> We put an upper bound on ->write_io_size_bits but we don't have a lower
>> bound.
> 
> Oh, lower bound, I think there are more cases didn't consider that,
> let me check it.

Sorry, one missing case:

Shouldn't it be:

if (arg <= 0 || arg > __ilog2_u32(BIO_MAX_PAGES)) {
         ^
> 
>>
>> Signed-off-by: Dan Carpenter <[email protected]>
> 
> Reviewed-by: Chao Yu <[email protected]>
> 
> Thanks,
> 
> 
> 
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> 



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