linux-kernel - Re: [PATCH] scripts: Fixed printf format mismatch

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Date:   Thu, 24 May 2018 16:08:13 -0400
From:   Steven Rostedt <rostedt@...dmis.org>
To:     nixiaoming <nixiaoming@...wei.com>
Cc:     <ard.biesheuvel@...aro.org>, <akpm@...ux-foundation.org>,
        <yamada.masahiro@...ionext.com>, <caoj.fnst@...fujitsu.com>,
        <linux@...ck-us.net>, <peterz@...radead.org>, <jhogan@...nel.org>,
        <linux-kernel@...r.kernel.org>, trivial@...nel.org
Subject: Re: [PATCH] scripts: Fixed printf format mismatch

On Thu, 24 May 2018 11:16:12 +0800
nixiaoming <nixiaoming@...wei.com> wrote:

> scripts/kallsyms.c: function write_src:
> "printf", the #1 format specifier "d" need arg type "int",
> but the according arg "table_cnt" has type "unsigned int"
> 
> scripts/recordmcount.c: function do_file:
> "fprintf", the #1 format specifier "d" need arg type "int",
> but the according arg "(*w2)(ehdr->e_machine)" has type "unsigned int"
> 
> scripts/recordmcount.h: function find_secsym_ndx:
> "fprintf", the #1 format specifier "d" need arg type "int",
> but the according arg "txtndx" has type "unsigned int"

Acked-by: Steven Rostedt (VMware) <rostedt@...dmis.org>

-- Steve

> 
> Signed-off-by: nixiaoming <nixiaoming@...wei.com>
> ---
>  scripts/kallsyms.c     | 2 +-
>  scripts/recordmcount.c | 2 +-
>  scripts/recordmcount.h | 2 +-
>  3 files changed, 3 insertions(+), 3 deletions(-)
> 
> diff --git a/scripts/kallsyms.c b/scripts/kallsyms.c
> index 5abfbf1..e0c416a 100644
> --- a/scripts/kallsyms.c
> +++ b/scripts/kallsyms.c
> @@ -424,7 +424,7 @@ static void write_src(void)
>  	}
>  
>  	output_label("kallsyms_num_syms");
> -	printf("\tPTR\t%d\n", table_cnt);
> +	printf("\tPTR\t%u\n", table_cnt);
>  	printf("\n");
>  
>  	/* table of offset markers, that give the offset in the compressed stream
> diff --git a/scripts/recordmcount.c b/scripts/recordmcount.c
> index 8c9691c..895c40e 100644
> --- a/scripts/recordmcount.c
> +++ b/scripts/recordmcount.c
> @@ -500,7 +500,7 @@ do_file(char const *const fname)
>  	gpfx = 0;
>  	switch (w2(ehdr->e_machine)) {
>  	default:
> -		fprintf(stderr, "unrecognized e_machine %d %s\n",
> +		fprintf(stderr, "unrecognized e_machine %u %s\n",
>  			w2(ehdr->e_machine), fname);
>  		fail_file();
>  		break;
> diff --git a/scripts/recordmcount.h b/scripts/recordmcount.h
> index b9897e2..2e77937 100644
> --- a/scripts/recordmcount.h
> +++ b/scripts/recordmcount.h
> @@ -441,7 +441,7 @@ static unsigned find_secsym_ndx(unsigned const txtndx,
>  			return symp - sym0;
>  		}
>  	}
> -	fprintf(stderr, "Cannot find symbol for section %d: %s.\n",
> +	fprintf(stderr, "Cannot find symbol for section %u: %s.\n",
>  		txtndx, txtname);
>  	fail_file();
>  }