Re: \\ çå: [PATCH] of: del redundant type conversion
From: xiaojiangfeng
Date: Wed Apr 10 2019 - 21:51:34 EST
My pleasure.
I am very new to sparse.
I guess the warning is caused by the macro min.
Then I submitted my changes.
Thanks for code review.
-----éäåä-----
åää: Frank Rowand [mailto:frowand.list@xxxxxxxxx]
åéæé: 2019å4æ11æ 2:50
æää: xiaojiangfeng <xiaojiangfeng@xxxxxxxxxx>; robh+dt@xxxxxxxxxx; robh@xxxxxxxxxx
æé: devicetree@xxxxxxxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx
äé: Re: [PATCH] of: del redundant type conversion
On 4/10/19 1:29 AM, xiaojiangfeng wrote:
> The type of variable l in early_init_dt_scan_chosen is int, there is
> no need to convert to int.
>
> Signed-off-by: xiaojiangfeng <xiaojiangfeng@xxxxxxxxxx>
> ---
> drivers/of/fdt.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/drivers/of/fdt.c b/drivers/of/fdt.c index
> 4734223..de893c9 100644
> --- a/drivers/of/fdt.c
> +++ b/drivers/of/fdt.c
> @@ -1091,7 +1091,7 @@ int __init early_init_dt_scan_chosen(unsigned long node, const char *uname,
> /* Retrieve command line */
> p = of_get_flat_dt_prop(node, "bootargs", &l);
> if (p != NULL && l > 0)
> - strlcpy(data, p, min((int)l, COMMAND_LINE_SIZE));
> + strlcpy(data, p, min(l, COMMAND_LINE_SIZE));
>
> /*
> * CONFIG_CMDLINE is meant to be a default in case nothing else
>
Thanks for catching the redundant cast.
There is a second problem detected by sparse on that line:
drivers/of/fdt.c:1094:34: warning: expression using sizeof(void)
Can you please fix both issues?
Thanks,
Frank