UBI: print a message if ECH is corrupted and VIDH is ok

If the EC header is corrupted, but the VID header is OK, UBI accepts the
PEB and treats it as "used". However, generally this should not happen.
Print a warning if this happens.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>

diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c
index b847745394b42d46869cdc892043abe46288809d..93361eadab8d4ad6ce58b3c150e02b90b3ae7b98 100644 (file)
--- a/drivers/mtd/ubi/scan.c
+++ b/drivers/mtd/ubi/scan.c
@@ -864,7 +864,9 @@ static int process_eb(struct ubi_device *ubi, struct ubi_scan_info *si,
                }
        }
 
-       /* Both UBI headers seem to be fine */
+       if (ec_corr)
+               ubi_warn("valid VID header but corrupted EC header at PEB %d",
+                        pnum);
        err = ubi_scan_add_used(ubi, si, pnum, ec, vidh, bitflips);
        if (err)
                return err;