Jan Kiszka wrote:
> Gilles Chanteperdrix wrote:
>> Jan Kiszka wrote:
>>> Gilles Chanteperdrix wrote:
>>>> Jan Kiszka wrote:
>>>>> Obviously a conversion error while switching to __xn_safe*.
>>>>>
>>>>> Signed-off-by: Jan Kiszka <[email protected]>
>>>> Well, I have just checked the kernel code, and 0 as a return value of
>>>> strncpy_from_user is treated as a value in most places, even if not
>>>> -EFAULT.
>>>>
>>> Better check our code: :) __xn_safe_strncpy_from_user works differently.
>> Then I would tend to consider that xn_safe_strncpy is broken.
>
> No, because it not a derivate of strncpy_from_user, but an internal
> service optimized for the most common use cases (where you don't care
> about the precise return value).
So, what should I call if I care about the return value ?
--
Gilles.
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