From 23fa18eaa71266feff7ba8d83022d9e1cc83c65a Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Fri, 10 May 2024 07:42:03 +0000
Subject: [PATCH] disable pwm7
---
kernel/lib/parser.c | 21 +++++----------------
1 files changed, 5 insertions(+), 16 deletions(-)
diff --git a/kernel/lib/parser.c b/kernel/lib/parser.c
index 3278958..5c37d63 100644
--- a/kernel/lib/parser.c
+++ b/kernel/lib/parser.c
@@ -1,13 +1,12 @@
+// SPDX-License-Identifier: GPL-2.0-only
/*
* lib/parser.c - simple parser for mount, etc. options.
- *
- * This source code is licensed under the GNU General Public License,
- * Version 2. See the file COPYING for more details.
*/
#include <linux/ctype.h>
#include <linux/types.h>
#include <linux/export.h>
+#include <linux/kstrtox.h>
#include <linux/parser.h>
#include <linux/slab.h>
#include <linux/string.h>
@@ -131,13 +130,10 @@
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);
@@ -166,13 +162,10 @@
char *buf;
int ret;
u64 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 = kstrtoull(buf, base, &val);
if (!ret)
@@ -327,10 +320,6 @@
*/
char *match_strdup(const substring_t *s)
{
- size_t sz = s->to - s->from + 1;
- char *p = kmalloc(sz, GFP_KERNEL);
- if (p)
- match_strlcpy(p, s, sz);
- return p;
+ return kmemdup_nul(s->from, s->to - s->from, GFP_KERNEL);
}
EXPORT_SYMBOL(match_strdup);
--
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