From: Heiko Schocher <h...@denx.de>
Commig "604b592 UBI: fix rb_tree node comparison in add_map"
broke fastmap backward compatibility and older fastmap images
cannot be mounted anymore. The reason is that it changes the
volumes RB-tree sorting criteria. This patch fixes the problem.
Artem: re-write the commit message
Signed-off-by: Heiko Schocher <h...@denx.de>
Acked-by: Richard Weinberger <rich...@nod.at>
Signed-off-by: Artem Bityutskiy <artem.bityuts...@linux.intel.com>
---
drivers/mtd/ubi/fastmap.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/drivers/mtd/ubi/fastmap.c b/drivers/mtd/ubi/fastmap.c
index 3aa7aa8..21b7f07 100644
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -125,7 +125,7 @@ static struct ubi_ainf_volume *add_vol(struct
ubi_attach_info *ai, int vol_id,
parent = *p;
av = rb_entry(parent, struct ubi_ainf_volume, rb);
- if (vol_id < av->vol_id)
+ if (vol_id > av->vol_id)
p = &(*p)->rb_left;
else
p = &(*p)->rb_right;
--
2.1.0
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