linux-kernel - [PATCH] drm/exynos: remove no need devm_kfree in probe [re-send, welcome any comments]

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Date:   Wed, 6 May 2020 20:49:03 +0800 (GMT+08:00)
From:   Bernard <bernard@...o.com>
To:     Inki Dae <inki.dae@...sung.com>,
        Joonyoung Shim <jy0922.shim@...sung.com>,
        Seung-Woo Kim <sw0312.kim@...sung.com>,
        Kyungmin Park <kyungmin.park@...sung.com>,
        David Airlie <airlied@...ux.ie>,
        Daniel Vetter <daniel@...ll.ch>, Kukjin Kim <kgene@...nel.org>,
        Krzysztof Kozlowski <krzk@...nel.org>,
        dri-devel@...ts.freedesktop.org,
        linux-arm-kernel@...ts.infradead.org,
        linux-samsung-soc@...r.kernel.org, linux-kernel@...r.kernel.org
Cc:     opensource.kernel@...o.com, Bernard Zhao <bernard@...o.com>
Subject: [PATCH] drm/exynos: remove no need devm_kfree in probe [re-send, welcome any comments]

Remove no need devm_kfree in probe.
The change is to make the code a bit more readable

Signed-off-by: Bernard Zhao <bernard@...o.com>
---
 drivers/gpu/drm/exynos/exynos_drm_dpi.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/gpu/drm/exynos/exynos_drm_dpi.c b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
index 43fa0f26c052..e06f7d7a6695 100644
--- a/drivers/gpu/drm/exynos/exynos_drm_dpi.c
+++ b/drivers/gpu/drm/exynos/exynos_drm_dpi.c
@@ -181,10 +181,8 @@ static int exynos_dpi_parse_dt(struct exynos_dpi *ctx)
 			return -ENOMEM;
 
 		ret = of_get_videomode(dn, vm, 0);
-		if (ret < 0) {
-			devm_kfree(dev, vm);
+		if (ret < 0)
 			return ret;
-		}
 
 		ctx->vm = vm;
 
@@ -233,10 +231,8 @@ struct drm_encoder *exynos_dpi_probe(struct device *dev)
 	ctx->dev = dev;
 
 	ret = exynos_dpi_parse_dt(ctx);
-	if (ret < 0) {
-		devm_kfree(dev, ctx);
-		return NULL;
-	}
+	if (ret < 0)
+		return ERR_PTR(ret);
 
 	if (ctx->panel_node) {
 		ctx->panel = of_drm_find_panel(ctx->panel_node);
-- 
2.26.2


[re-send, welcome any comments]
Regards,
Bernard