linux-kernel - [RFC][PATCH 5/7] MTD: UBI: Make process

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Date:	Tue, 14 Feb 2012 21:06:44 +0100
From:	Richard Weinberger <rw@...utronix.de>
To:	linux-mtd@...ts.infradead.org
Cc:	linux-kernel@...r.kernel.org, tglx@...utronix.de,
	tim.bird@...sony.com, dedekind1@...il.com,
	Richard Weinberger <rw@...utronix.de>
Subject: [RFC][PATCH 5/7] MTD: UBI: Make process_eb() checkpoint aware

If CONFIG_MTD_UBI_CHECKPOINT is not set, process_eb has to
remove all checkpointing volumes.

Signed-off-by: Richard Weinberger <rw@...utronix.de>
---
 drivers/mtd/ubi/scan.c |   10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c
index 0cb17d9..1d01fdc 100644
--- a/drivers/mtd/ubi/scan.c
+++ b/drivers/mtd/ubi/scan.c
@@ -1011,7 +1011,15 @@ static int process_eb(struct ubi_device *ubi, struct ubi_scan_info *si,
 	}
 
 	vol_id = be32_to_cpu(vidh->vol_id);
-	if (vol_id > UBI_MAX_VOLUMES && vol_id != UBI_LAYOUT_VOLUME_ID) {
+#ifdef CONFIG_MTD_UBI_CHECKPOINT
+	if (vol_id > UBI_MAX_VOLUMES &&
+		vol_id != UBI_LAYOUT_VOLUME_ID &&
+		vol_id != UBI_CP_SB_VOLUME_ID &&
+		vol_id != UBI_CP_DATA_VOLUME_ID)
+#else
+	if (vol_id > UBI_MAX_VOLUMES && vol_id != UBI_LAYOUT_VOLUME_ID)
+#endif
+	{
 		int lnum = be32_to_cpu(vidh->lnum);
 
 		/* Unsupported internal volume */
-- 
1.7.7

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