Re: [PATCH] Use ARRAY_SIZE instead of dividing sizeof array with sizeof an element.

From: Heiko Carstens
Date: Fri Feb 08 2019 - 03:38:19 EST


On Fri, Feb 08, 2019 at 08:11:10AM +0530, Allen wrote:
> From: Allen Pais <allen.lkml@xxxxxxxxx>
>
> This issue was detected with the help of Coccinelle.
>
> Signed-off-by: Allen Pais <allen.lkml@xxxxxxxxx>
> ---
> arch/s390/tools/gen_opcode_table.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/arch/s390/tools/gen_opcode_table.c b/arch/s390/tools/gen_opcode_table.c
> index a1bc02b29c81..468b70c85f62 100644
> --- a/arch/s390/tools/gen_opcode_table.c
> +++ b/arch/s390/tools/gen_opcode_table.c
> @@ -138,7 +138,7 @@ static struct insn_type *insn_format_to_type(char *format)
> strcpy(tmp, format);
> base_format = tmp;
> base_format = strsep(&base_format, "_");
> - for (i = 0; i < sizeof(insn_type_table) / sizeof(insn_type_table[0]); i++) {
> + for (i = 0; i < ARRAY_SIZE(insn_type_table); i++) {

This does not compile.