UBI: initialize static volumes with vol->used_bytes

I came across a problem which seems to be present since:

commit 941dfb07ed91451b1c58626a0d258dfdf468b593
UBI: set correct gluebi device size

ubi_create_gluebi() leaves mtd->size = 0 for static volumes. So even
existing static volumes are initialized with a size of 0.

Signed-off-by: Jan Altenberg <jan.altenberg@linutronix.de>
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

1 files changed, 3 insertions, 2 deletions

diff --git a/drivers/mtd/ubi/gluebi.c b/drivers/mtd/ubi/gluebi.c
index d397219238d3..e909b390069a 100644
--- a/drivers/mtd/ubi/gluebi.c
+++ b/drivers/mtd/ubi/gluebi.c
@@ -291,11 +291,12 @@ int ubi_create_gluebi(struct ubi_device *ubi, struct ubi_volume *vol)
         /*
          * In case of dynamic volume, MTD device size is just volume size. In
          * case of a static volume the size is equivalent to the amount of data
-         * bytes, which is zero at this moment and will be changed after volume
-         * update.
+         * bytes.
          */
         if (vol->vol_type == UBI_DYNAMIC_VOLUME)
                 mtd->size = vol->usable_leb_size * vol->reserved_pebs;
+        else
+                mtd->size = vol->used_bytes;
 
         if (add_mtd_device(mtd)) {
                 ubi_err("cannot not add MTD device\n");