linux-kernel - Re: [PATCH] accel/qaic: silence some uninitialized variable warnings

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Message-ID: <962011a6-9089-b678-6ac8-ce29b8ffa2fb@quicinc.com>
Date:   Fri, 12 May 2023 01:16:59 +0530
From:   Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@...cinc.com>
To:     Dan Carpenter <dan.carpenter@...aro.org>,
        Jeffrey Hugo <quic_jhugo@...cinc.com>
CC:     Oded Gabbay <ogabbay@...nel.org>, <linux-arm-msm@...r.kernel.org>,
        <dri-devel@...ts.freedesktop.org>, <linux-kernel@...r.kernel.org>,
        <kernel-janitors@...r.kernel.org>
Subject: Re: [PATCH] accel/qaic: silence some uninitialized variable warnings



On 5/3/2023 4:11 PM, Dan Carpenter wrote:
> Smatch complains that these are not initialized if get_cntl_version()
> fails but we still print them in the debug message.  Not the end of
> the world, but true enough.  Let's just initialize them to a dummy value
> to make the checker happy.
> 
> Signed-off-by: Dan Carpenter <dan.carpenter@...aro.org>
> ---
>   drivers/accel/qaic/qaic_drv.c | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/accel/qaic/qaic_drv.c b/drivers/accel/qaic/qaic_drv.c
> index ff80eb571729..e10e8b603e37 100644
> --- a/drivers/accel/qaic/qaic_drv.c
> +++ b/drivers/accel/qaic/qaic_drv.c
> @@ -263,7 +263,7 @@ static void qaic_destroy_drm_device(struct qaic_device *qdev, s32 partition_id)
>   static int qaic_mhi_probe(struct mhi_device *mhi_dev, const struct mhi_device_id *id)
>   {
>   	struct qaic_device *qdev;
> -	u16 major, minor;
> +	u16 major = -1, minor = -1;
>   	int ret;
>   
>   	/*
> 

Thank you Dan for the patch.

Reviewed-by: Pranjal Ramajor Asha Kanojiya <quic_pkanojiy@...cinc.com>

I agree with Jeff's comment to sort the variable declaration length wise.