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-rw-r--r--drivers/mtd/ubi/scan.c7
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/mtd/ubi/scan.c b/drivers/mtd/ubi/scan.c
index 0c05f7b9012..e4766387050 100644
--- a/drivers/mtd/ubi/scan.c
+++ b/drivers/mtd/ubi/scan.c
@@ -286,9 +286,14 @@ static int compare_lebs(struct ubi_device *ubi, const struct ubi_scan_leb *seb,
* FIXME: but this is anyway obsolete and will be removed at
* some point.
*/
-
dbg_bld("using old crappy leb_ver stuff");
+ if (v1 == v2) {
+ ubi_err("PEB %d and PEB %d have the same version %lld",
+ seb->pnum, pnum, v1);
+ return -EINVAL;
+ }
+
abs = v1 - v2;
if (abs < 0)
abs = -abs;