drm/exynos: Use devm_kzalloc in exynos_drm_ipp.c

devm_kzalloc makes the code simpler by eliminating the need for
explicit freeing.

Signed-off-by: Sachin Kamat <sachin.kamat@linaro.org>
Signed-off-by: Inki Dae <inki.dae@samsung.com>

diff --git a/drivers/gpu/drm/exynos/exynos_drm_ipp.c b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
index 63bcf92..e7a860f 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_ipp.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_ipp.c
@@ -1890,7 +1890,7 @@ static int __devinit ipp_probe(struct platform_device *pdev)
        struct exynos_drm_subdrv *subdrv;
        int ret;
 
-       ctx = kzalloc(sizeof(*ctx), GFP_KERNEL);
+       ctx = devm_kzalloc(&pdev->dev, sizeof(*ctx), GFP_KERNEL);
        if (!ctx)
                return -ENOMEM;
 
@@ -1911,8 +1911,7 @@ static int __devinit ipp_probe(struct platform_device *pdev)
        ctx->event_workq = create_singlethread_workqueue("ipp_event");
        if (!ctx->event_workq) {
                dev_err(dev, "failed to create event workqueue\n");
-               ret = -EINVAL;
-               goto err_clear;
+               return -EINVAL;
        }
 
        /*
@@ -1953,8 +1952,6 @@ err_cmd_workq:
        destroy_workqueue(ctx->cmd_workq);
 err_event_workq:
        destroy_workqueue(ctx->event_workq);
-err_clear:
-       kfree(ctx);
        return ret;
 }
 
@@ -1980,8 +1977,6 @@ static int __devexit ipp_remove(struct platform_device *pdev)
        destroy_workqueue(ctx->cmd_workq);
        destroy_workqueue(ctx->event_workq);
 
-       kfree(ctx);
-
        return 0;
 }