linux-kernel - [PATCH v2] i2c: amd-asf: Fix uninitialized variables issue in amd_asf_process

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Message-ID: <Zva0dBAZWpd1e4as@iZbp1asjb3cy8ks0srf007Z>
Date: Fri, 27 Sep 2024 21:34:44 +0800
From: Qianqiang Liu <qianqiang.liu@....com>
To: Dan Carpenter <dan.carpenter@...aro.org>
Cc: andi.shyti@...nel.org, shyam-sundar.s-k@....com,
	linux-i2c@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: [PATCH v2] i2c: amd-asf: Fix uninitialized variables issue in
 amd_asf_process_target

The len variable is not initialized, which may cause the for loop to
behave unexpectedly.

Fixes: 20c3cc299218 ("i2c: amd-asf: Add routine to handle the ASF slave process")
Signed-off-by: Qianqiang Liu <qianqiang.liu@....com>
---
 drivers/i2c/busses/i2c-amd-asf-plat.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/i2c/busses/i2c-amd-asf-plat.c b/drivers/i2c/busses/i2c-amd-asf-plat.c
index 47e0c90341aed..ba47df5370c72 100644
--- a/drivers/i2c/busses/i2c-amd-asf-plat.c
+++ b/drivers/i2c/busses/i2c-amd-asf-plat.c
@@ -61,7 +61,7 @@ static void amd_asf_process_target(struct work_struct *work)
 	unsigned short piix4_smba = dev->port_addr->start;
 	u8 data[ASF_BLOCK_MAX_BYTES];
 	u8 bank, reg, cmd;
-	u8 len, idx, val;
+	u8 len = 0, idx, val;
 
 	/* Read target status register */
 	reg = inb_p(ASFSLVSTA);
-- 
2.39.5