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

This simplifies the code.  No change in behavior.

Link: http://lkml.kernel.org/r/[email protected]
Signed-off-by: Eric Biggers <[email protected]>
Reviewed-by: Andrew Morton <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>

diff --git a/lib/parser.c b/lib/parser.c
index 0142ef28f0eb4a432d310aa4edc8bd770880876b..618c36ec8efe35278226dd6d8e8b99ead40936f0 100644 (file)
--- a/lib/parser.c
+++ b/lib/parser.c
@@ -166,13 +166,10 @@ 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)