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UBI: fastmap: do not miss bit-flips

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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@gmail.com>
Acked-by: Richard Weinberger <richard@nod.at>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
This commit is contained in:
Brian Norris 2014-05-20 22:35:38 -07:00 committed by Artem Bityutskiy
parent e9110361a9
commit 44305ebde2
1 changed files with 1 additions and 1 deletions
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2
drivers/mtd/ubi/fastmap.c
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@ -423,7 +423,7 @@ 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;
/*