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

[Eric Biggers]

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 96656a6dd59b..dd70e5e6c9e2 100644
--- a/lib/parser.c
+++ b/lib/parser.c
@@ -163,13 +163,10 @@ static int match_u64int(substring_t *s, u64 *result, int base)
 	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)
-- 
2.19.0.rc0.228.g281dcd1b4d0-goog