linux-kernel - [PATCH v2] media: mxl692: remove impossible condition

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Date:   Thu, 25 Mar 2021 16:39:56 +0800
From:   Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
To:     mchehab@...nel.org
Cc:     linux-media@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
Subject: [PATCH v2] media: mxl692: remove impossible condition

Fix the following coverity warning:

This greater-than-or-equal-to-zero comparison of an unsigned value is
always true. "opcode >= 0".

Reported-by: Abaci Robot <abaci@...ux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@...ux.alibaba.com>
---
Changes in v2:
  - Make the commit message more clearer.

 drivers/media/dvb-frontends/mxl692.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/media/dvb-frontends/mxl692.c b/drivers/media/dvb-frontends/mxl692.c
index 86af831..8303064 100644
--- a/drivers/media/dvb-frontends/mxl692.c
+++ b/drivers/media/dvb-frontends/mxl692.c
@@ -377,7 +377,7 @@ static int mxl692_memread(struct mxl692_dev *dev, u32 addr,
 
 static const char *mxl692_opcode_string(u8 opcode)
 {
-	if (opcode >= 0 && opcode <= MXL_EAGLE_OPCODE_INTERNAL)
+	if (opcode <= MXL_EAGLE_OPCODE_INTERNAL)
 		return MXL_EAGLE_OPCODE_STRING[opcode];
 
 	return "invalid opcode";
-- 
1.8.3.1