Re: [PATCH v2] i2c: amd-asf: Fix uninitialized variables issue in amd_asf_process_target

From: Shyam Sundar S K
Date: Mon Sep 30 2024 - 00:33:51 EST


Hi,

On 9/27/2024 19:04, Qianqiang Liu wrote:
> 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@xxxxxxx>

Thank you for the fix.

Acked-by: Shyam Sundar S K <Shyam-sundar.S-k@xxxxxxx>

Thanks,
Shyam

> ---
> 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);