[PATCH 56/56] ubi: Initialize Fastmap checkmapping correctly

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From: Richard Weinberger <richard@xxxxxx>

We cannot do it last, otherwithse it will be skipped for dynamic
volumes.

Reported-by: Lachmann, Juergen <juergen.lachmann@xxxxxxxxxx>
Fixes: 34653fd8c46e ("ubi: fastmap: Check each mapping only once")
Signed-off-by: Richard Weinberger <richard@xxxxxx>
Signed-off-by: Teresa Remmet <t.remmet@xxxxxxxxx>
---
 drivers/mtd/ubi/vtbl.c | 20 ++++++++++----------
 1 file changed, 10 insertions(+), 10 deletions(-)

diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c
index 4ca5bb897463..6959564a1354 100644
--- a/drivers/mtd/ubi/vtbl.c
+++ b/drivers/mtd/ubi/vtbl.c
@@ -569,6 +569,16 @@ static int init_volumes(struct ubi_device *ubi,
 		reserved_pebs += vol->reserved_pebs;
 
 		/*
+		 * We use ubi->peb_count and not vol->reserved_pebs because
+		 * we want to keep the code simple. Otherwise we'd have to
+		 * resize/check the bitmap upon volume resize too.
+		 * Allocating a few bytes more does not hurt.
+		 */
+		err = ubi_fastmap_init_checkmap(vol, ubi->peb_count);
+		if (err)
+			return err;
+
+		/*
 		 * In case of dynamic volume UBI knows nothing about how many
 		 * data is stored there. So assume the whole volume is used.
 		 */
@@ -610,16 +620,6 @@ static int init_volumes(struct ubi_device *ubi,
 			(long long)(vol->used_ebs - 1) * vol->usable_leb_size;
 		vol->used_bytes += av->last_data_size;
 		vol->last_eb_bytes = av->last_data_size;
-
-		/*
-		 * We use ubi->peb_count and not vol->reserved_pebs because
-		 * we want to keep the code simple. Otherwise we'd have to
-		 * resize/check the bitmap upon volume resize too.
-		 * Allocating a few bytes more does not hurt.
-		 */
-		err = ubi_fastmap_init_checkmap(vol, ubi->peb_count);
-		if (err)
-			return err;
 	}
 
 	/* And add the layout volume */
-- 
2.7.4


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