On 12 January 2016 at 17:18, Jani Nikula <[email protected]> wrote:
> On Tue, 12 Jan 2016, Daniel Stone <[email protected]> wrote:
>> On 12 January 2016 at 15:59, Yetunde Adebisi <[email protected]>
>> wrote:
>>> + memset(intel_dp->edp_dpcd, 0, sizeof(intel_dp->edp_dpcd));
>>
>> gcc should've warned you about this; you're memsetting too small a size.
>
> Really? I think it's fine.
foo.c:11:23: warning: argument to ‘sizeof’ in ‘memset’ call is the
same expression as the destination; did you mean to dereference it?
[-Wsizeof-pointer-memaccess]
memset(bar, 0, sizeof(bar));
^
Either it should be memset(&intel_dp->edp_dpcd, ...), or it should be
sizeof(*intel_dp->edp_dpcd). Unless the intention is genuinely just to
clear the size of one pointer and not the entire structure, in which
case this is terribly misleading.
Cheers,
Daniel
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