[MTD] NAND: Missing fixups

The oob fixups broke a return value and missed one patch from
the Mailing List.

Signed-off-by: Savin Zlobec <savin@epico.si>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/drivers/mtd/nand/nand_base.c b/drivers/mtd/nand/nand_base.c
index 27083ed..8df184f 100644
--- a/drivers/mtd/nand/nand_base.c
+++ b/drivers/mtd/nand/nand_base.c
@@ -1176,7 +1176,7 @@
 
 	status = chip->waitfunc(mtd, chip);
 
-	return status;
+	return status & NAND_STATUS_FAIL ? -EIO : 0;
 }
 
 /**
@@ -1271,10 +1271,6 @@
 		sndcmd = chip->ecc.read_oob(mtd, chip, page, sndcmd);
 		buf = nand_transfer_oob(chip, buf, ops);
 
-		readlen -= ops->ooblen;
-		if (!readlen)
-			break;
-
 		if (!(chip->options & NAND_NO_READRDY)) {
 			/*
 			 * Apply delay or wait for ready/busy pin. Do this
@@ -1288,6 +1284,10 @@
 				nand_wait_ready(mtd);
 		}
 
+		readlen -= ops->ooblen;
+		if (!readlen)
+			break;
+
 		/* Increment page address */
 		realpage++;