linux-kernel - Re: [PATCH 1/1] gpu/drm: remove unnecessary check before kfree

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Date:	Fri, 26 Jun 2015 15:46:33 +0900
From:	Michel Dänzer <michel@...nzer.net>
To:	Maninder Singh <maninder1.s@...sung.com>
Cc:	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	pankaj.m@...sung.com
Subject: Re: [PATCH 1/1] gpu/drm: remove unnecessary check before kfree

On 26.06.2015 15:25, Maninder Singh wrote:
> kfree(NULL) is safe and this check is probably not required
> 
> Signed-off-by: Maninder Singh <maninder1.s@...sung.com>
> Reviewed-by: Vaneet Narang <v.narang@...sung.com>
> ---
>  drivers/gpu/drm/amd/amdgpu/amdgpu_device.c |    3 +--
>  1 file changed, 1 insertion(+), 2 deletions(-)
> 
> diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> index fec487d..a85cd08 100644
> --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
> @@ -1575,8 +1575,7 @@ void amdgpu_device_fini(struct amdgpu_device *adev)
>  	amdgpu_fence_driver_fini(adev);
>  	amdgpu_fbdev_fini(adev);
>  	r = amdgpu_fini(adev);
> -	if (adev->ip_block_enabled)
> -		kfree(adev->ip_block_enabled);
> +	kfree(adev->ip_block_enabled);
>  	adev->ip_block_enabled = NULL;
>  	adev->accel_working = false;
>  	/* free i2c buses */
> 

The shortlog prefix of both your patches should be "drm/amdgpu:" instead
of "gpu/drm:". With that fixed, both are

Reviewed-by: Michel Dänzer <michel.daenzer@....com>


-- 
Earthling Michel Dänzer               |               http://www.amd.com
Libre software enthusiast             |             Mesa and X developer
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/