Re: [PATCH] amdkfd: Copy from the proper user command pointer

[Al Viro]

On Fri, Jan 15, 2016 at 07:26:44PM +0100, Borislav Petkov wrote:
> From: Borislav Petkov <bp@xxxxxxx>
> 
> 8f1d57c17248 ("amdkfd: don't open-code memdup_user()") mistakenly uses
> an uninitialized local pointer, gcc complains:
> 
>   drivers/gpu/drm/amd/amdkfd/kfd_chardev.c: In function âkfd_ioctl_dbg_address_watchâ:
>   drivers/gpu/drm/amd/amdkfd/kfd_chardev.c:562:12: warning: âargs_buffâ may be used uninitialized in this function [-Wmaybe-uninitialized]
>     args_buff = memdup_user(args_buff,
>                 ^
> 
> Fix it.

Mea culpa...  Applied, and I wonder how the hell I'd missed that..