Re: [PATCH] drm/vc4: don't check if plane->state->fb == state->fb

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Subject: Re: [PATCH] drm/vc4: don't check if plane->state->fb == state->fb
From: "Maxime Ripard" <mripard@xxxxxxxxxx>
Date: Mon, 08 Jan 2024 08:43:05 +0000
Cc: kernel-dev@xxxxxxxxxx, Dom Cobley <dom@xxxxxxxxxxxxxxx>, Dave Stevenson <dave.stevenson@xxxxxxxxxxxxxxx>, Thomas Zimmermann <tzimmermann@xxxxxxx>, dri-devel@xxxxxxxxxxxxxxxxxxxxx, Maxime Ripard <mripard@xxxxxxxxxx>
In-reply-to: <20240105175908.242000-1-mcanal@igalia.com>
References: <20240105175908.242000-1-mcanal@igalia.com>

On Fri, 5 Jan 2024 14:58:36 -0300, MaÃra Canal wrote:
> Currently, when using non-blocking commits, we can see the following
> kernel warning:
> 
> [  110.908514] ------------[ cut here ]------------
> [  110.908529] refcount_t: underflow; use-after-free.
> 
> [ ... ]

Acked-by: Maxime Ripard <mripard@xxxxxxxxxx>

Thanks!
Maxime

Follow-Ups:
- Re: [PATCH] drm/vc4: don't check if plane->state->fb == state->fb
  - From: Maira Canal

References:
- [PATCH] drm/vc4: don't check if plane->state->fb == state->fb
  - From: Maíra Canal

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