From: Eric Biggers <ebiggers@google.com>
Date: Tue, 30 Oct 2018 22:05:30 +0000 (-0700)
Subject: lib/parser.c: switch match_number() over to use match_strdup()
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=36c8d1e7a27f94b4d812b2a0abf106dab0fa377e;p=linux.git

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

This simplifies the code.  No change in behavior.

Link: http://lkml.kernel.org/r/20180830194727.191555-1-ebiggers@kernel.org
Signed-off-by: Eric Biggers <ebiggers@google.com>
Reviewed-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
---

diff --git a/lib/parser.c b/lib/parser.c
index 618c36ec8efe3..dd70e5e6c9e2f 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);