UBI: block: Add CONFIG_BLOCK dependency

The UBI block driver depends on the block infrastructure. Add the
proper dependency and fix a build error when CONFIG_BLOCK is not selected.

Reported-by: kbuild test robot <fengguang.wu@intel.com>
Signed-off-by: Ezequiel Garcia <ezequiel.garcia@free-electrons.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>

diff --git a/drivers/mtd/ubi/Kconfig b/drivers/mtd/ubi/Kconfig
index 783fb18..f0855ce 100644 (file)
--- a/drivers/mtd/ubi/Kconfig
+++ b/drivers/mtd/ubi/Kconfig
@@ -90,6 +90,7 @@ config MTD_UBI_GLUEBI
 config MTD_UBI_BLOCK
        bool "Read-only block devices on top of UBI volumes"
        default n
+       depends on BLOCK
        help
           This option enables read-only UBI block devices support. UBI block
           devices will be layered on top of UBI volumes, which means that the