[PATCH -next] drm: tegra: fix missing unlock on error

[Thierry Reding]

On Sun, Dec 02, 2012 at 05:25:05AM -0500, Wei Yongjun wrote:
> From: Wei Yongjun <yongjun_wei at trendmicro.com.cn>
> 
> Add the missing unlock before return from function host1x_drm_init()
> and host1x_drm_exit() in the error handling case.
> 
> Signed-off-by: Wei Yongjun <yongjun_wei at trendmicro.com.cn>
> ---
>  drivers/gpu/drm/tegra/host1x.c | 2 ++
>  1 file changed, 2 insertions(+)
> 
> diff --git a/drivers/gpu/drm/tegra/host1x.c b/drivers/gpu/drm/tegra/host1x.c
> index bdb97a5..39629e6 100644
> --- a/drivers/gpu/drm/tegra/host1x.c
> +++ b/drivers/gpu/drm/tegra/host1x.c
> @@ -176,6 +176,7 @@ int host1x_drm_init(struct host1x *host1x, struct drm_device *drm)
>  				dev_err(host1x->dev,
>  					"DRM setup failed for %s: %d\n",
>  					dev_name(client->dev), err);
> +				mutex_unlock(&host1x->clients_lock);
>  				return err;
>  			}
>  		}
> @@ -203,6 +204,7 @@ int host1x_drm_exit(struct host1x *host1x)
>  				dev_err(host1x->dev,
>  					"DRM cleanup failed for %s: %d\n",
>  					dev_name(client->dev), err);
> +				mutex_unlock(&host1x->clients_lock);
>  				return err;
>  			}
>  		}

Acked-by: Thierry Reding <thierry.reding at avionic-design.de>
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