linux-kernel - Re: [PATCH] drm/gma500: Add the missed drm_gem_object_put() in psb_user_framebuffer

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Message-ID: <CAMeQTsbgrTa09t+qBHzoSRmK=WU5K0uTuQ8xRN7zd6XRMYMQsw@mail.gmail.com>
Date:   Fri, 9 Jul 2021 21:35:51 +0200
From:   Patrik Jakobsson <patrik.r.jakobsson@...il.com>
To:     Jing Xiangfeng <jingxiangfeng@...wei.com>
Cc:     David Airlie <airlied@...ux.ie>, Daniel Vetter <daniel@...ll.ch>,
        dri-devel <dri-devel@...ts.freedesktop.org>,
        linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] drm/gma500: Add the missed drm_gem_object_put() in psb_user_framebuffer_create()

On Tue, Jun 29, 2021 at 1:52 PM Jing Xiangfeng <jingxiangfeng@...wei.com> wrote:
>
> psb_user_framebuffer_create() misses to call drm_gem_object_put() in an
> error path. Add the missed function call to fix it.
>

Sorry for the delay, I'm currently on vacation.
Looks good. Thanks for the patch.

Applied to drm-misc-next

-Patrik

> Signed-off-by: Jing Xiangfeng <jingxiangfeng@...wei.com>
> ---
>  drivers/gpu/drm/gma500/framebuffer.c | 7 ++++++-
>  1 file changed, 6 insertions(+), 1 deletion(-)
>
> diff --git a/drivers/gpu/drm/gma500/framebuffer.c b/drivers/gpu/drm/gma500/framebuffer.c
> index ebe9dccf2d83..0b8648396fb2 100644
> --- a/drivers/gpu/drm/gma500/framebuffer.c
> +++ b/drivers/gpu/drm/gma500/framebuffer.c
> @@ -352,6 +352,7 @@ static struct drm_framebuffer *psb_user_framebuffer_create
>                          const struct drm_mode_fb_cmd2 *cmd)
>  {
>         struct drm_gem_object *obj;
> +       struct drm_framebuffer *fb;
>
>         /*
>          *      Find the GEM object and thus the gtt range object that is
> @@ -362,7 +363,11 @@ static struct drm_framebuffer *psb_user_framebuffer_create
>                 return ERR_PTR(-ENOENT);
>
>         /* Let the core code do all the work */
> -       return psb_framebuffer_create(dev, cmd, obj);
> +       fb = psb_framebuffer_create(dev, cmd, obj);
> +       if (IS_ERR(fb))
> +               drm_gem_object_put(obj);
> +
> +       return fb;
>  }
>
>  static int psbfb_probe(struct drm_fb_helper *fb_helper,
> --
> 2.26.0.106.g9fadedd
>