linux-kernel - Re: [PATCH] kdb: Replace strncasecmp with strcasecmp

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Date:	Mon, 14 Mar 2016 13:52:58 +0000
From:	Daniel Thompson <daniel.thompson@...aro.org>
To:	Joe Perches <joe@...ches.com>,
	Rasmus Villemoes <linux@...musvillemoes.dk>,
	linux-kernel@...r.kernel.org
Cc:	Jason Wessel <jason.wessel@...driver.com>,
	kgdb-bugreport@...ts.sourceforge.net
Subject: Re: [PATCH] kdb: Replace strncasecmp with strcasecmp

On 14/03/16 02:27, Joe Perches wrote:
> Remove the unnecessary last sizeof("foo") argument to strncasecmp using
> strcasecmp without that sizeof as it iss equivalent, simpler and smaller.
>
> Signed-off-by: Joe Perches <joe@...ches.com>

Reviewed-by: Daniel Thompson <daniel.thompson@...aro.org>


> ---
>   kernel/debug/kdb/kdb_bp.c | 6 +++---
>   1 file changed, 3 insertions(+), 3 deletions(-)
>
> diff --git a/kernel/debug/kdb/kdb_bp.c b/kernel/debug/kdb/kdb_bp.c
> index 90ff129..4714b33 100644
> --- a/kernel/debug/kdb/kdb_bp.c
> +++ b/kernel/debug/kdb/kdb_bp.c
> @@ -52,11 +52,11 @@ static int kdb_parsebp(int argc, const char **argv, int *nextargp, kdb_bp_t *bp)
>
>   	bp->bph_length = 1;
>   	if ((argc + 1) != nextarg) {
> -		if (strncasecmp(argv[nextarg], "datar", sizeof("datar")) == 0)
> +		if (strcasecmp(argv[nextarg], "datar") == 0)
>   			bp->bp_type = BP_ACCESS_WATCHPOINT;
> -		else if (strncasecmp(argv[nextarg], "dataw", sizeof("dataw")) == 0)
> +		else if (strcasecmp(argv[nextarg], "dataw") == 0)
>   			bp->bp_type = BP_WRITE_WATCHPOINT;
> -		else if (strncasecmp(argv[nextarg], "inst", sizeof("inst")) == 0)
> +		else if (strcasecmp(argv[nextarg], "inst") == 0)
>   			bp->bp_type = BP_HARDWARE_BREAKPOINT;
>   		else
>   			return KDB_ARGCOUNT;
>