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Message-ID: <20200417135624.GA88652@roeck-us.net>
Date:   Fri, 17 Apr 2020 06:56:24 -0700
From:   Guenter Roeck <linux@...ck-us.net>
To:     Stephen Boyd <swboyd@...omium.org>
Cc:     Andy Gross <agross@...nel.org>,
        Bjorn Andersson <bjorn.andersson@...aro.org>,
        linux-kernel@...r.kernel.org, linux-arm-msm@...r.kernel.org,
        Stephen Rothwell <sfr@...b.auug.org.au>
Subject: Re: [PATCH] soc: qcom: cmd-db: Cast sizeof() to int to silence field
 width warning

On Tue, Apr 14, 2020 at 11:20:33PM -0700, Stephen Boyd wrote:
> We pass the result of sizeof() here to tell the printk format specifier
> how many bytes to print. That expects an int though and sizeof() isn't
> that type. Cast to int to silence this warning:
> 
> drivers/soc/qcom/cmd-db.c: In function 'cmd_db_debugfs_dump':
> drivers/soc/qcom/cmd-db.c:281:30: warning: field width specifier '*' expects argument of type 'int', but argument 4 has type 'long unsigned int' [-Wformat=]
> 
> Reported-by: Stephen Rothwell <sfr@...b.auug.org.au>
> Signed-off-by: Stephen Boyd <swboyd@...omium.org>

Reviewed-by: Guenter Roeck <linux@...ck-us.net>

> ---
>  drivers/soc/qcom/cmd-db.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/drivers/soc/qcom/cmd-db.c b/drivers/soc/qcom/cmd-db.c
> index 6c308f92a13c..6b5c440c9dc3 100644
> --- a/drivers/soc/qcom/cmd-db.c
> +++ b/drivers/soc/qcom/cmd-db.c
> @@ -280,7 +280,7 @@ static int cmd_db_debugfs_dump(struct seq_file *seq, void *p)
>  		ent = rsc_to_entry_header(rsc);
>  		for (j = 0; j < le16_to_cpu(rsc->cnt); j++, ent++) {
>  			seq_printf(seq, "0x%08x: %*pEp", le32_to_cpu(ent->addr),
> -				   sizeof(ent->id), ent->id);
> +				   (int)sizeof(ent->id), ent->id);
>  
>  			len = le16_to_cpu(ent->len);
>  			if (len) {

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