diff options
Diffstat (limited to 'drivers/mtd/ubi/build.c')
-rw-r--r-- | drivers/mtd/ubi/build.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/drivers/mtd/ubi/build.c b/drivers/mtd/ubi/build.c index 08ca214abb95..eb8b55dcc3bb 100644 --- a/drivers/mtd/ubi/build.c +++ b/drivers/mtd/ubi/build.c | |||
@@ -33,6 +33,7 @@ | |||
33 | #include <linux/moduleparam.h> | 33 | #include <linux/moduleparam.h> |
34 | #include <linux/stringify.h> | 34 | #include <linux/stringify.h> |
35 | #include <linux/stat.h> | 35 | #include <linux/stat.h> |
36 | #include <linux/log2.h> | ||
36 | #include "ubi.h" | 37 | #include "ubi.h" |
37 | 38 | ||
38 | /* Maximum length of the 'mtd=' parameter */ | 39 | /* Maximum length of the 'mtd=' parameter */ |
@@ -422,8 +423,7 @@ static int io_init(struct ubi_device *ubi) | |||
422 | ubi->hdrs_min_io_size = ubi->mtd->writesize >> ubi->mtd->subpage_sft; | 423 | ubi->hdrs_min_io_size = ubi->mtd->writesize >> ubi->mtd->subpage_sft; |
423 | 424 | ||
424 | /* Make sure minimal I/O unit is power of 2 */ | 425 | /* Make sure minimal I/O unit is power of 2 */ |
425 | if (ubi->min_io_size == 0 || | 426 | if (!is_power_of_2(ubi->min_io_size)) { |
426 | (ubi->min_io_size & (ubi->min_io_size - 1))) { | ||
427 | ubi_err("bad min. I/O unit"); | 427 | ubi_err("bad min. I/O unit"); |
428 | return -EINVAL; | 428 | return -EINVAL; |
429 | } | 429 | } |