Re: [PATCH 2/3] modpost: remove unreachable code after fatal()

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On Sat, Nov 25, 2023 at 07:31:15PM +0900, Masahiro Yamada wrote:
> fatal() never returns. Remove unreachable code.
> 
> Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>

Reviewed-by: Nathan Chancellor <nathan@xxxxxxxxxx>

> ---
> 
>  scripts/mod/modpost.c | 9 +++------
>  1 file changed, 3 insertions(+), 6 deletions(-)
> 
> diff --git a/scripts/mod/modpost.c b/scripts/mod/modpost.c
> index ca0a90158f85..013fc5031bc7 100644
> --- a/scripts/mod/modpost.c
> +++ b/scripts/mod/modpost.c
> @@ -473,11 +473,9 @@ static int parse_elf(struct elf_info *info, const char *filename)
>  		fatal("%s: not relocatable object.", filename);
>  
>  	/* Check if file offset is correct */
> -	if (hdr->e_shoff > info->size) {
> +	if (hdr->e_shoff > info->size)
>  		fatal("section header offset=%lu in file '%s' is bigger than filesize=%zu\n",
>  		      (unsigned long)hdr->e_shoff, filename, info->size);
> -		return 0;
> -	}
>  
>  	if (hdr->e_shnum == SHN_UNDEF) {
>  		/*
> @@ -515,12 +513,11 @@ static int parse_elf(struct elf_info *info, const char *filename)
>  		const char *secname;
>  		int nobits = sechdrs[i].sh_type == SHT_NOBITS;
>  
> -		if (!nobits && sechdrs[i].sh_offset > info->size) {
> +		if (!nobits && sechdrs[i].sh_offset > info->size)
>  			fatal("%s is truncated. sechdrs[i].sh_offset=%lu > sizeof(*hrd)=%zu\n",
>  			      filename, (unsigned long)sechdrs[i].sh_offset,
>  			      sizeof(*hdr));
> -			return 0;
> -		}
> +
>  		secname = secstrings + sechdrs[i].sh_name;
>  		if (strcmp(secname, ".modinfo") == 0) {
>  			if (nobits)
> -- 
> 2.40.1
> 




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