Message-ID: <1491990790.2270.56.camel@pengutronix.de>
Subject: Re: [PATCH] drm/etnaviv: fix missing unlock on error in
 etnaviv_gpu_submit()
From: Lucas Stach <l.stach@pengutronix.de>
To: Wei Yongjun <weiyj.lk@gmail.com>
Cc: Russell King <linux+etnaviv@armlinux.org.uk>,
        Christian Gmeiner <christian.gmeiner@gmail.com>,
        David Airlie <airlied@linux.ie>, Wei Yongjun <weiyongjun1@huawei.com>,
        etnaviv@lists.freedesktop.org, dri-devel@lists.freedesktop.org,
        linux-kernel@vger.kernel.org
Date: Wed, 12 Apr 2017 11:53:10 +0200
In-Reply-To: <20170412003116.30767-1-weiyj.lk@gmail.com>
References: <20170412003116.30767-1-weiyj.lk@gmail.com>
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Am Mittwoch, den 12.04.2017, 00:31 +0000 schrieb Wei Yongjun:
> From: Wei Yongjun <weiyongjun1@huawei.com>
> 
> Add the missing unlock before return from function etnaviv_gpu_submit()
> in the error handling case.
> 
> Fixes: f3cd1b064f11 ("drm/etnaviv: (re-)protect fence allocation with
> GPU mutex")
> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com>
> ---
>  drivers/gpu/drm/etnaviv/etnaviv_gpu.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> index da48819..e4a4d4c 100644
> --- a/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> +++ b/drivers/gpu/drm/etnaviv/etnaviv_gpu.c
> @@ -1317,7 +1317,7 @@ int etnaviv_gpu_submit(struct etnaviv_gpu *gpu,
>  	if (!fence) {
>  		event_free(gpu, event);
>  		ret = -ENOMEM;
> -		goto out_pm_put;
> +		goto out_unlok;

Label should probably be named "out_unlock". Fixed up while applying,
thanks.

Regards,
Lucas

>  	}
>  
>  	gpu->event[event].fence = fence;
> @@ -1357,6 +1357,7 @@ int etnaviv_gpu_submit(struct etnaviv_gpu *gpu,
>  	hangcheck_timer_reset(gpu);
>  	ret = 0;
>  
> +out_unlok:
>  	mutex_unlock(&gpu->lock);
>  
>  out_pm_put:
>