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authorNamhyung Kim <namhyung@gmail.com>2010-10-26 14:23:09 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2010-10-26 16:52:19 -0700
commit5d051decfc27cdf33fbbd2bfca958d0d2c903569 (patch)
tree4f6579fdf86218d5214bf76e20e0534ea9a4c5c9
parentea00c30b5b31baa91be29bee966204eccc15e9d3 (diff)
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lib/parser: cleanup match_number()
Use new variable 'len' to make code more readable. Signed-off-by: Namhyung Kim <namhyung@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
-rw-r--r--lib/parser.c7
1 files changed, 4 insertions, 3 deletions
diff --git a/lib/parser.c b/lib/parser.c
index fb34977246b..6e89eca5cca 100644
--- a/lib/parser.c
+++ b/lib/parser.c
@@ -128,12 +128,13 @@ static int match_number(substring_t *s, int *result, int base)
char *endp;
char *buf;
int ret;
+ size_t len = s->to - s->from;
- buf = kmalloc(s->to - s->from + 1, GFP_KERNEL);
+ buf = kmalloc(len + 1, GFP_KERNEL);
if (!buf)
return -ENOMEM;
- memcpy(buf, s->from, s->to - s->from);
- buf[s->to - s->from] = '\0';
+ memcpy(buf, s->from, len);
+ buf[len] = '\0';
*result = simple_strtol(buf, &endp, base);
ret = 0;
if (endp == buf)