linux-kernel - [PATCH] drm: atmel-hlcdc: fix static checker warning by initializing the local variable

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Date: Tue, 25 Jun 2024 15:40:30 +0530
From: Manikandan Muralidharan <manikandan.m@...rochip.com>
To: <sam@...nborg.org>, <bbrezillon@...nel.org>,
	<maarten.lankhorst@...ux.intel.com>, <mripard@...nel.org>,
	<tzimmermann@...e.de>, <airlied@...il.com>, <daniel@...ll.ch>,
	<nicolas.ferre@...rochip.com>, <alexandre.belloni@...tlin.com>,
	<claudiu.beznea@...on.dev>, <dri-devel@...ts.freedesktop.org>,
	<linux-arm-kernel@...ts.infradead.org>, <linux-kernel@...r.kernel.org>
CC: <manikandan.m@...rochip.com>
Subject: [PATCH] drm: atmel-hlcdc: fix static checker warning by initializing the local variable

Initialize the local variable used to store the status of LCDC Channel
status register of each layer to fix the static checker warning
reported by smatch

Fixes: aa71584b323a ("drm: atmel-hlcdc: add driver ops to differentiate HLCDC and XLCDC IP")
Signed-off-by: Manikandan Muralidharan <manikandan.m@...rochip.com>
---
 drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
index 4a7ba0918eca..4150c4d0b4f2 100644
--- a/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
+++ b/drivers/gpu/drm/atmel-hlcdc/atmel_hlcdc_plane.c
@@ -559,7 +559,7 @@ static void atmel_hlcdc_plane_update_buffers(struct atmel_hlcdc_plane *plane,
 	const struct atmel_hlcdc_layer_desc *desc = plane->layer.desc;
 	struct atmel_hlcdc_dc *dc = plane->base.dev->dev_private;
 	struct drm_framebuffer *fb = state->base.fb;
-	u32 sr;
+	u32 sr = 0;
 	int i;
 
 	if (!dc->desc->is_xlcdc)
-- 
2.25.1