From: Thorsten Blum <blum@kernel.org>
To: Kentaro Takeda <takedakn@nttdata.co.jp>,
Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp>,
Paul Moore <paul@paul-moore.com>,
James Morris <jmorris@namei.org>,
"Serge E. Hallyn" <serge@hallyn.com>
Cc: Thorsten Blum <blum@kernel.org>,
linux-security-module@vger.kernel.org,
linux-kernel@vger.kernel.org
Subject: [PATCH] tomoyo: Use isdigit() in tomoyo_numscan()
Date: Wed, 14 Oct 2026 18:55:32 +0200 [thread overview]
Message-ID: <20261014165532.329933-2-blum@kernel.org> (raw)
Use isdigit() to replace the open-coded implementation.
Signed-off-by: Thorsten Blum <blum@kernel.org>
---
security/tomoyo/common.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/security/tomoyo/common.c b/security/tomoyo/common.c
index fdaeaff01fc1..031c643ce22c 100644
--- a/security/tomoyo/common.c
+++ b/security/tomoyo/common.c
@@ -5,6 +5,7 @@
* Copyright (C) 2005-2011 NTT DATA CORPORATION
*/
+#include <linux/ctype.h>
#include <linux/uaccess.h>
#include <linux/slab.h>
#include <linux/security.h>
@@ -2030,7 +2031,7 @@ static bool tomoyo_numscan(const char *str, const char *head, int *width, const
if (!strncmp(str, head, n)) {
cp = str + n;
- while (*cp && *cp >= '0' && *cp <= '9')
+ while (*cp && isdigit(*cp))
cp++;
if (*cp == tail || !tail) {
*width = cp - (str + n);
reply other threads:[~2026-10-14 16:55 UTC|newest]
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