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Message-ID: <BE69D0C4DC96EF4BA3F03246F234C4BD01FDE17F@dggeml512-mbx.china.huawei.com> Date: Thu, 11 Apr 2019 01:51:26 +0000 From: xiaojiangfeng <xiaojiangfeng@...wei.com> To: Frank Rowand <frowand.list@...il.com>, "robh+dt@...nel.org" <robh+dt@...nel.org>, "robh@...nel.org" <robh@...nel.org> CC: "devicetree@...r.kernel.org" <devicetree@...r.kernel.org>, "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org> Subject: Re: \\ 答复: [PATCH] of: del redundant type conversion 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. -----邮件原件----- 发件人: Frank Rowand [mailto:frowand.list@...il.com] 发送时间: 2019年4月11日 2:50 收件人: xiaojiangfeng <xiaojiangfeng@...wei.com>; robh+dt@...nel.org; robh@...nel.org 抄送: devicetree@...r.kernel.org; linux-kernel@...r.kernel.org 主题: 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@...wei.com> > --- > 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
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