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Date: Thu, 28 Jul 2016 11:58:33 -0400
From: Alex Deucher <alexdeucher@...il.com>
To: SF Markus Elfring <elfring@...rs.sourceforge.net>
Cc: Alex Deucher <alexander.deucher@....com>,
Christian König <christian.koenig@....com>,
David Airlie <airlied@...ux.ie>,
Maling list - DRI developers
<dri-devel@...ts.freedesktop.org>,
Julia Lawall <julia.lawall@...6.fr>,
kernel-janitors@...r.kernel.org,
LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] GPU-DRM-Radeon: Delete an unnecessary check before drm_gem_object_unreference_unlocked()
On Tue, Jul 12, 2016 at 4:22 PM, SF Markus Elfring
<elfring@...rs.sourceforge.net> wrote:
> From: Markus Elfring <elfring@...rs.sourceforge.net>
> Date: Tue, 12 Jul 2016 22:00:55 +0200
>
> The drm_gem_object_unreference_unlocked() function tests whether
> its argument is NULL and then returns immediately.
> Thus the test around the call is not needed.
>
> This issue was detected by using the Coccinelle software.
>
> Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
Applied. thanks!
Alex
> ---
> drivers/gpu/drm/radeon/radeon_display.c | 4 +---
> 1 file changed, 1 insertion(+), 3 deletions(-)
>
> diff --git a/drivers/gpu/drm/radeon/radeon_display.c b/drivers/gpu/drm/radeon/radeon_display.c
> index 5f1cd69..1efab5f 100644
> --- a/drivers/gpu/drm/radeon/radeon_display.c
> +++ b/drivers/gpu/drm/radeon/radeon_display.c
> @@ -1324,9 +1324,7 @@ static void radeon_user_framebuffer_destroy(struct drm_framebuffer *fb)
> {
> struct radeon_framebuffer *radeon_fb = to_radeon_framebuffer(fb);
>
> - if (radeon_fb->obj) {
> - drm_gem_object_unreference_unlocked(radeon_fb->obj);
> - }
> + drm_gem_object_unreference_unlocked(radeon_fb->obj);
> drm_framebuffer_cleanup(fb);
> kfree(radeon_fb);
> }
> --
> 2.9.0
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@...ts.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
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