drm/exynos: Remove explicit freeing using devm_* APIs in exynos_drm_gsc.c

devm_* APIs are device managed and get freed automatically when the
device detaches. Thus explicit freeing is not needed. This saves some
code.

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_gsc.c b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
index 509f2f83e5a5319a1a27710c61777536322d3896..9c6de7a5944bfc40e86dafe5bb7c7fc6e53c6958 100644 (file)
--- a/drivers/gpu/drm/exynos/exynos_drm_gsc.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_gsc.c
@@ -1687,8 +1687,7 @@ static int __devinit gsc_probe(struct platform_device *pdev)
        ctx->gsc_clk = clk_get(dev, "gscl");
        if (IS_ERR(ctx->gsc_clk)) {
                dev_err(dev, "failed to get gsc clock.\n");
-               ret = PTR_ERR(ctx->gsc_clk);
-               goto err_ctx;
+               return PTR_ERR(ctx->gsc_clk);
        }
 
        /* resource memory */
@@ -1711,7 +1710,7 @@ static int __devinit gsc_probe(struct platform_device *pdev)
        if (!res) {
                dev_err(dev, "failed to request irq resource.\n");
                ret = -ENOENT;
-               goto err_get_regs;
+               goto err_clk;
        }
 
        ctx->irq = res->start;
@@ -1719,7 +1718,7 @@ static int __devinit gsc_probe(struct platform_device *pdev)
                IRQF_ONESHOT, "drm_gsc", ctx);
        if (ret < 0) {
                dev_err(dev, "failed to request irq.\n");
-               goto err_get_regs;
+               goto err_clk;
        }
 
        /* context initailization */
@@ -1763,12 +1762,8 @@ err_ippdrv_register:
        pm_runtime_disable(dev);
 err_get_irq:
        free_irq(ctx->irq, ctx);
-err_get_regs:
-       devm_iounmap(dev, ctx->regs);
 err_clk:
        clk_put(ctx->gsc_clk);
-err_ctx:
-       devm_kfree(dev, ctx);
        return ret;
 }
 
@@ -1786,12 +1781,8 @@ static int __devexit gsc_remove(struct platform_device *pdev)
        pm_runtime_disable(dev);
 
        free_irq(ctx->irq, ctx);
-       devm_iounmap(dev, ctx->regs);
-
        clk_put(ctx->gsc_clk);
 
-       devm_kfree(dev, ctx);
-
        return 0;
 }