* Re: [PATCH v1 0/2] Fix dma_resv_wait_timeout() return handling in rocket/panfrost ioctls
[not found] <cover.1776581974.git.gye976@gmail.com>
@ 2026-05-07 14:00 ` Steven Price
0 siblings, 0 replies; only message in thread
From: Steven Price @ 2026-05-07 14:00 UTC (permalink / raw)
To: Gyeyoung Baek, Tomeu Vizoso, Boris Brezillon, Rob Herring,
Adrián Larumbe
Cc: Oded Gabbay, Maarten Lankhorst, Maxime Ripard, Thomas Zimmermann,
David Airlie, Simona Vetter, dri-devel, linux-kernel
On 19/04/2026 08:17, Gyeyoung Baek wrote:
> dma_resv_wait_timeout() returns a positive 'long' (remaining jiffies)
> on success, which is truncated to 'int`.
> So userspace interpret that as an error.
>
> Each patch explicitly sets `ret` to 0 on the
> success path.
>
> Gyeyoung Baek (2):
> accel/rocket: Fix prep_bo ioctl leaking positive return from
> dma_resv_wait_timeout()
> drm/panfrost: Fix wait_bo ioctl leaking positive return from
> dma_resv_wait_timeout()
>
> drivers/accel/rocket/rocket_gem.c | 2 ++
> drivers/gpu/drm/panfrost/panfrost_drv.c | 2 ++
> 2 files changed, 4 insertions(+)
>
Both patches pushed to drm-misc-fixes.
Thanks,
Steve
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