diff options
Diffstat (limited to 'drivers/md/dm-stripe.c')
| -rw-r--r-- | drivers/md/dm-stripe.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/dm-stripe.c b/drivers/md/dm-stripe.c index 51f5e076001..969944a8aba 100644 --- a/drivers/md/dm-stripe.c +++ b/drivers/md/dm-stripe.c @@ -11,6 +11,7 @@ #include <linux/blkdev.h> #include <linux/bio.h> #include <linux/slab.h> +#include <linux/log2.h> #define DM_MSG_PREFIX "striped" @@ -99,7 +100,7 @@ static int stripe_ctr(struct dm_target *ti, unsigned int argc, char **argv) /* * chunk_size is a power of two */ - if (!chunk_size || (chunk_size & (chunk_size - 1)) || + if (!is_power_of_2(chunk_size) || (chunk_size < (PAGE_SIZE >> SECTOR_SHIFT))) { ti->error = "Invalid chunk size"; return -EINVAL; |