--- /dev/null
+--- a/drivers/mtd/nand/spi/core.c
++++ b/drivers/mtd/nand/spi/core.c
+@@ -715,7 +715,7 @@ static int spinand_mtd_write(struct mtd_
+ static bool spinand_isbad(struct nand_device *nand, const struct nand_pos *pos)
+ {
+ struct spinand_device *spinand = nand_to_spinand(nand);
+- u8 marker[2] = { };
++ u8 marker[1] = { };
+ struct nand_page_io_req req = {
+ .pos = *pos,
+ .ooblen = sizeof(marker),
+@@ -726,7 +726,7 @@ static bool spinand_isbad(struct nand_de
+
+ spinand_select_target(spinand, pos->target);
+ spinand_read_page(spinand, &req);
+- if (marker[0] != 0xff || marker[1] != 0xff)
++ if (marker[0] != 0xff)
+ return true;
+
+ return false;