[PATCH 08/10] UBI: fastmap: do not miss bit-flips

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From: Brian Norris <computersforpeace@xxxxxxxxx>

The return value from 'ubi_io_read_ec_hdr()' was stored in 'err', not in 'ret'.
This fix makes sure Fastmap-enabled UBI does not miss bit-flip while reading EC
headers, events and scrubs the affected PEBs.

This issue was reported by Coverity Scan.

Artem: improved the commit message.

Signed-off-by: Brian Norris <computersforpeace@xxxxxxxxx>
Acked-by: Richard Weinberger <richard@xxxxxx>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@xxxxxxxxxxxxxxx>
---
 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 21b7f07..8f29430 100644
--- a/drivers/mtd/ubi/fastmap.c
+++ b/drivers/mtd/ubi/fastmap.c
@@ -422,7 +422,7 @@ static int scan_pool(struct ubi_device *ubi, struct ubi_attach_info *ai,
 				pnum, err);
 			ret = err > 0 ? UBI_BAD_FASTMAP : err;
 			goto out;
-		} else if (ret == UBI_IO_BITFLIPS)
+		} else if (err == UBI_IO_BITFLIPS)
 			scrub = 1;
 
 		/*
-- 
2.1.0


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