Re: [PATCH] perf/x86: Use kmalloc_array() in merge_attr()

From: Peter Zijlstra
Date: Thu Sep 08 2016 - 04:58:50 EST


On Sun, Sep 04, 2016 at 11:00:15AM +0200, SF Markus Elfring wrote:
> From: Markus Elfring <elfring@xxxxxxxxxxxxxxxxxxxxx>
> Date: Sun, 4 Sep 2016 10:45:20 +0200
>
> * A multiplication for the size determination of a memory allocation
> indicated that an array data structure should be processed.
> Thus use the corresponding function "kmalloc_array".
>
> This issue was detected by using the Coccinelle software.
>
> * Replace the specification of a data structure by a pointer dereference
> to make the corresponding size determination a bit safer according to
> the Linux coding style convention.

Why!?