From: Qianqiang Liu <qianqiang.liu@163.com>
Date: Fri, 27 Sep 2024 13:34:44 +0000 (+0800)
Subject: i2c: amd-asf: Fix uninitialized variables issue in amd_asf_process_target
X-Git-Tag: v6.13-rc1~124^2^2~22
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=a5089cd23b10c5c861bf5834170c75f9b4c36e08;p=thirdparty%2Fkernel%2Flinux.git

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: 9b25419ad397 ("i2c: amd-asf: Add routine to handle the ASF slave process")
Signed-off-by: Qianqiang Liu <qianqiang.liu@163.com>
Reviewed-by: Dan Carpenter <dan.carpenter@linaro.org>
Acked-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com>
Signed-off-by: Andi Shyti <andi.shyti@kernel.org>
---

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);