[PATCH 5/9] UBI: Call scan_all() with correct offset in error case

[Sascha Hauer]

From: Richard Weinberger <richard at nod.at>

If we find an invalid fastmap we have to scan from the very beginning.
Otherwise we leak the first 64 PEBs.

Reported-and-tested-by: Richard Genoud <richard.genoud at gmail.com>
Signed-off-by: Richard Weinberger <richard at nod.at>
Signed-off-by: Sascha Hauer <s.hauer at pengutronix.de>
---
 drivers/mtd/ubi/attach.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/mtd/ubi/attach.c b/drivers/mtd/ubi/attach.c
index 62d6113..8c5c8c3 100644
--- a/drivers/mtd/ubi/attach.c
+++ b/drivers/mtd/ubi/attach.c
@@ -1397,9 +1397,11 @@ int ubi_attach(struct ubi_device *ubi, int force_scan)
 				ai = alloc_ai("ubi_aeb_slab_cache2");
 				if (!ai)
 					return -ENOMEM;
-			}
 
-			err = scan_all(ubi, ai, UBI_FM_MAX_START);
+				err = scan_all(ubi, ai, 0);
+			} else {
+				err = scan_all(ubi, ai, UBI_FM_MAX_START);
+			}
 		}
 	}
 #else
-- 
1.8.5.2