---

yaml
---
r: 274955
b: refs/heads/master
c: dadc17a
h: refs/heads/master
i:
  274953: 5e994c9
  274951: cf5f56c
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 623978de362a5faeb18d8395fa86089650642626
+refs/heads/master: dadc17a3e34810ed411a62e6b4cafdf3e5e1d5c8

trunk/drivers/mtd/nand/nand_bbt.c

@@ -909,23 +909,19 @@ static int check_create(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_desc
 				writeops = 0x03;
 			} else if (td->pages[i] == -1) {
 				rd = md;
-				td->version[i] = md->version[i];
 				writeops = 0x01;
 			} else if (md->pages[i] == -1) {
 				rd = td;
-				md->version[i] = td->version[i];
 				writeops = 0x02;
 			} else if (td->version[i] == md->version[i]) {
 				rd = td;
 				if (!(td->options & NAND_BBT_VERSION))
 					rd2 = md;
 			} else if (((int8_t)(td->version[i] - md->version[i])) > 0) {
 				rd = td;
-				md->version[i] = td->version[i];
 				writeops = 0x02;
 			} else {
 				rd = md;
-				td->version[i] = md->version[i];
 				writeops = 0x01;
 			}
 		} else {
@@ -957,6 +953,7 @@ static int check_create(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_desc
 			if (mtd_is_eccerr(res)) {
 				/* Mark table as invalid */
 				rd->pages[i] = -1;
+				rd->version[i] = 0;
 				i--;
 				continue;
 			}
@@ -967,6 +964,7 @@ static int check_create(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_desc
 			if (mtd_is_eccerr(res2)) {
 				/* Mark table as invalid */
 				rd2->pages[i] = -1;
+				rd2->version[i] = 0;
 				i--;
 				continue;
 			}
@@ -976,6 +974,12 @@ static int check_create(struct mtd_info *mtd, uint8_t *buf, struct nand_bbt_desc
 		if (mtd_is_bitflip(res) || mtd_is_bitflip(res2))
 			writeops = 0x03;
 
+		/* Update version numbers before writing */
+		if (md) {
+			td->version[i] = max(td->version[i], md->version[i]);
+			md->version[i] = td->version[i];
+		}
+
 		/* Write the bad block table to the device? */
 		if ((writeops & 0x01) && (td->options & NAND_BBT_WRITE)) {
 			res = write_bbt(mtd, buf, td, md, chipsel);