Re: [PATCH] lib/parser.c: switch match_number() over to use match_strdup()

From: Eric Biggers
Date: Tue Sep 04 2018 - 21:39:23 EST


On Thu, Aug 30, 2018 at 12:47:27PM -0700, Eric Biggers wrote:
> From: Eric Biggers <ebiggers@xxxxxxxxxx>
>
> This simplifies the code. No change in behavior.
>
> Signed-off-by: Eric Biggers <ebiggers@xxxxxxxxxx>
> ---
> lib/parser.c | 5 +----
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
> diff --git a/lib/parser.c b/lib/parser.c
> index 0142ef28f0eb..96656a6dd59b 100644
> --- a/lib/parser.c
> +++ b/lib/parser.c
> @@ -131,13 +131,10 @@ static int match_number(substring_t *s, int *result, int base)
> char *buf;
> int ret;
> long val;
> - size_t len = s->to - s->from;
>
> - buf = kmalloc(len + 1, GFP_KERNEL);
> + buf = match_strdup(s);
> if (!buf)
> return -ENOMEM;
> - memcpy(buf, s->from, len);
> - buf[len] = '\0';
>
> ret = 0;
> val = simple_strtol(buf, &endp, base);
> --

Hi Andrew, are you planning to take this patch too? The similar patch

lib/parser.c: switch match_u64int() over to use match_strdup()

is in -mm now, but this one is not.

Thanks,

- Eric