linux-kernel - Re: [PATCH] drm/amdgpu/kfd: Add unlock() on error path to add_queue

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Message-ID: <CADnq5_PsUNMG6FmH40fb_AetaGjhBf6S0Yd41ewAaai=eec_nQ@mail.gmail.com>
Date: Thu, 20 Jun 2024 11:42:51 -0400
From: Alex Deucher <alexdeucher@...il.com>
To: Dan Carpenter <dan.carpenter@...aro.org>
Cc: Yunxiang Li <Yunxiang.Li@....com>, Felix Kuehling <Felix.Kuehling@....com>, 
	Alex Deucher <alexander.deucher@....com>, Christian König <christian.koenig@....com>, 
	"Pan, Xinhui" <Xinhui.Pan@....com>, David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
	amd-gfx@...ts.freedesktop.org, dri-devel@...ts.freedesktop.org, 
	linux-kernel@...r.kernel.org, kernel-janitors@...r.kernel.org
Subject: Re: [PATCH] drm/amdgpu/kfd: Add unlock() on error path to add_queue_mes()

Applied.  Thanks!

Alex

On Thu, Jun 20, 2024 at 5:07 AM Dan Carpenter <dan.carpenter@...aro.org> wrote:
>
> We recently added locking to add_queue_mes() but this error path was
> overlooked.  Add an unlock to the error path.
>
> Fixes: 1802b042a343 ("drm/amdgpu/kfd: remove is_hws_hang and is_resetting")
> Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>
> ---
>  drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c | 1 +
>  1 file changed, 1 insertion(+)
>
> diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> index d2fceb6f9802..4f48507418d2 100644
> --- a/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> +++ b/drivers/gpu/drm/amd/amdkfd/kfd_device_queue_manager.c
> @@ -230,6 +230,7 @@ static int add_queue_mes(struct device_queue_manager *dqm, struct queue *q,
>         if (queue_type < 0) {
>                 dev_err(adev->dev, "Queue type not supported with MES, queue:%d\n",
>                         q->properties.type);
> +               up_read(&adev->reset_domain->sem);
>                 return -EINVAL;
>         }
>         queue_input.queue_type = (uint32_t)queue_type;
> --
> 2.43.0
>