linux-kernel - [PATCH] drm/mediatek: Remove less-than-zero comparison of an unsigned value

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Date: Fri, 14 Jun 2024 11:49:37 +0800
From: Shawn Sung <shawn.sung@...iatek.com>
To: Chun-Kuang Hu <chunkuang.hu@...nel.org>, Philipp Zabel
	<p.zabel@...gutronix.de>, David Airlie <airlied@...il.com>, Daniel Vetter
	<daniel@...ll.ch>, Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, "Nancy
 . Lin" <nancy.lin@...iatek.com>, <dri-devel@...ts.freedesktop.org>,
	<linux-mediatek@...ts.infradead.org>, <linux-kernel@...r.kernel.org>,
	<linux-arm-kernel@...ts.infradead.org>
CC: Hsiao Chien Sung <shawn.sung@...iatek.com>
Subject: [PATCH] drm/mediatek: Remove less-than-zero comparison of an unsigned value

From: Hsiao Chien Sung <shawn.sung@...iatek.com>

Fix a Coverity error that less-than-zero comparison of an unsigned value
is never true.

Fixes: 0d9eee9118b7 ("drm/mediatek: Add drm ovl_adaptor sub driver for MT8195")
Signed-off-by: Hsiao Chien Sung <shawn.sung@...iatek.com>
---
 drivers/gpu/drm/mediatek/mtk_ddp_comp.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/mediatek/mtk_ddp_comp.c b/drivers/gpu/drm/mediatek/mtk_ddp_comp.c
index 17b036411292..a66e46d0b45e 100644
--- a/drivers/gpu/drm/mediatek/mtk_ddp_comp.c
+++ b/drivers/gpu/drm/mediatek/mtk_ddp_comp.c
@@ -593,7 +593,7 @@ int mtk_ddp_comp_init(struct device_node *node, struct mtk_ddp_comp *comp,
 	int ret;
 #endif
 
-	if (comp_id < 0 || comp_id >= DDP_COMPONENT_DRM_ID_MAX)
+	if (comp_id >= DDP_COMPONENT_DRM_ID_MAX)
 		return -EINVAL;
 
 	type = mtk_ddp_matches[comp_id].type;
-- 
2.18.0