diff options
Diffstat (limited to 'drivers/md/dm-snap.c')
| -rw-r--r-- | drivers/md/dm-snap.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/md/dm-snap.c b/drivers/md/dm-snap.c index 98a633f3d6b..cee16fadd9e 100644 --- a/drivers/md/dm-snap.c +++ b/drivers/md/dm-snap.c @@ -17,6 +17,7 @@ #include <linux/module.h> #include <linux/slab.h> #include <linux/vmalloc.h> +#include <linux/log2.h> #include "dm-snap.h" #include "dm-bio-list.h" @@ -415,7 +416,7 @@ static int set_chunk_size(struct dm_snapshot *s, const char *chunk_size_arg, chunk_size = round_up(chunk_size, PAGE_SIZE >> 9); /* Check chunk_size is a power of 2 */ - if (chunk_size & (chunk_size - 1)) { + if (!is_power_of_2(chunk_size)) { *error = "Chunk size is not a power of 2"; return -EINVAL; } |