UBI: avoid unnecessary division operations

[pandora-kernel.git] / drivers / mtd / ubi / misc.c

diff --git a/drivers/mtd/ubi/misc.c b/drivers/mtd/ubi/misc.c
index 93e0528..22ad314 100644 (file)
--- a/drivers/mtd/ubi/misc.c
+++ b/drivers/mtd/ubi/misc.c
@@ -37,7 +37,7 @@ int ubi_calc_data_len(const struct ubi_device *ubi, const void *buf,
 {
        int i;
 
-       ubi_assert(length % ubi->min_io_size == 0);
+       ubi_assert(!(length & (ubi->min_io_size - 1)));
 
        for (i = length - 1; i >= 0; i--)
                if (((const uint8_t *)buf)[i] != 0xFF)