UBI: tweak volumes locking
Transform vtbl_mutex to volumes_mutex - this just makes code
easier to understand.
Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
diff --git a/drivers/mtd/ubi/upd.c b/drivers/mtd/ubi/upd.c
index a95dcaa..e32b04d 100644
--- a/drivers/mtd/ubi/upd.c
+++ b/drivers/mtd/ubi/upd.c
@@ -67,7 +67,9 @@
memcpy(&vtbl_rec, &ubi->vtbl[vol_id], sizeof(struct ubi_vtbl_record));
vtbl_rec.upd_marker = 1;
+ mutex_lock(&ubi->volumes_mutex);
err = ubi_change_vtbl_record(ubi, vol_id, &vtbl_rec);
+ mutex_unlock(&ubi->volumes_mutex);
vol->upd_marker = 1;
return err;
}
@@ -106,7 +108,9 @@
vol->last_eb_bytes = vol->usable_leb_size;
}
+ mutex_lock(&ubi->volumes_mutex);
err = ubi_change_vtbl_record(ubi, vol_id, &vtbl_rec);
+ mutex_unlock(&ubi->volumes_mutex);
vol->upd_marker = 0;
return err;
}