diff options
Diffstat (limited to 'lib/parser.c')
| -rw-r--r-- | lib/parser.c | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/lib/parser.c b/lib/parser.c index fb34977246b..dcbaaef6cf1 100644 --- a/lib/parser.c +++ b/lib/parser.c @@ -13,7 +13,7 @@ /** * match_one: - Determines if a string matches a simple pattern - * @s: the string to examine for presense of the pattern + * @s: the string to examine for presence of the pattern * @p: the string containing the pattern * @args: array of %MAX_OPT_ARGS &substring_t elements. Used to return match * locations. @@ -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) |