linux-kernel - Re: [PATCH] fpga: zynq: Fix incorrect variable type

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Message-ID: <ZUySrZ4Cc/qdzWXX@yilunxu-OptiPlex-7050>
Date:   Thu, 9 Nov 2023 16:05:01 +0800
From:   Xu Yilun <yilun.xu@...ux.intel.com>
To:     Nava kishore Manne <nava.kishore.manne@....com>
Cc:     mdf@...nel.org, hao.wu@...el.com, yilun.xu@...el.com,
        trix@...hat.com, michal.simek@....com, linux-fpga@...r.kernel.org,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        Nava kishore Manne <nava.manne@...inx.com>
Subject: Re: [PATCH] fpga: zynq: Fix incorrect variable type

On Thu, Nov 09, 2023 at 11:58:23AM +0530, Nava kishore Manne wrote:
> From: Nava kishore Manne <nava.manne@...inx.com>
> 
> zynq_fpga_has_sync () API is expecting "u8 *" but the
> formal parameter that was passed is of type "const char *".
> To fix this issue cast the const char pointer to u8 pointer.

Any error log found? I assume this is just implicit cast and doesn't
worth a fix.

Thanks,
Yilun

> 
> Signed-off-by: Nava kishore Manne <nava.manne@...inx.com>
> ---
>  drivers/fpga/zynq-fpga.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/fpga/zynq-fpga.c b/drivers/fpga/zynq-fpga.c
> index 96611d424a10..988853137ac6 100644
> --- a/drivers/fpga/zynq-fpga.c
> +++ b/drivers/fpga/zynq-fpga.c
> @@ -275,7 +275,7 @@ static int zynq_fpga_ops_write_init(struct fpga_manager *mgr,
>  
>  	/* don't globally reset PL if we're doing partial reconfig */
>  	if (!(info->flags & FPGA_MGR_PARTIAL_RECONFIG)) {
> -		if (!zynq_fpga_has_sync(buf, count)) {
> +		if (!zynq_fpga_has_sync((u8 *)buf, count)) {
>  			dev_err(&mgr->dev,
>  				"Invalid bitstream, could not find a sync word. Bitstream must be a byte swapped .bin file\n");
>  			err = -EINVAL;
> -- 
> 2.25.1
>