Commit 4ef197d8 authored by Dan Williams's avatar Dan Williams Committed by Linus Torvalds

md: raid5.c convert simple_strtoul to strict_strtoul

strict_strtoul handles the open-coded sanity checks in
raid5_store_stripe_cache_size and raid5_store_preread_threshold
Acked-by: default avatarNeilBrown <neilb@suse.de>
Signed-off-by: default avatarDan Williams <dan.j.williams@intel.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 8b3e6cdc
......@@ -4041,15 +4041,13 @@ static ssize_t
raid5_store_stripe_cache_size(mddev_t *mddev, const char *page, size_t len)
{
raid5_conf_t *conf = mddev_to_conf(mddev);
char *end;
int new;
unsigned long new;
if (len >= PAGE_SIZE)
return -EINVAL;
if (!conf)
return -ENODEV;
new = simple_strtoul(page, &end, 10);
if (!*page || (*end && *end != '\n') )
if (strict_strtoul(page, 10, &new))
return -EINVAL;
if (new <= 16 || new > 32768)
return -EINVAL;
......@@ -4087,17 +4085,15 @@ static ssize_t
raid5_store_preread_threshold(mddev_t *mddev, const char *page, size_t len)
{
raid5_conf_t *conf = mddev_to_conf(mddev);
char *end;
int new;
unsigned long new;
if (len >= PAGE_SIZE)
return -EINVAL;
if (!conf)
return -ENODEV;
new = simple_strtoul(page, &end, 10);
if (!*page || (*end && *end != '\n'))
if (strict_strtoul(page, 10, &new))
return -EINVAL;
if (new > conf->max_nr_stripes || new < 0)
if (new > conf->max_nr_stripes)
return -EINVAL;
conf->bypass_threshold = new;
return len;
......
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