mtd: OneNAND: allow board init function fail

Signed-off-by: Ladislav Michl <ladis@linux-mips.org>
diff --git a/drivers/mtd/onenand/onenand_uboot.c b/drivers/mtd/onenand/onenand_uboot.c
index ae60c3b..c15ec9d 100644
--- a/drivers/mtd/onenand/onenand_uboot.c
+++ b/drivers/mtd/onenand/onenand_uboot.c
@@ -24,33 +24,33 @@
 
 void onenand_init(void)
 {
+	int err = 0;
 	memset(&onenand_mtd, 0, sizeof(struct mtd_info));
 	memset(&onenand_chip, 0, sizeof(struct onenand_chip));
 
 	onenand_mtd.priv = &onenand_chip;
 
 #ifdef CONFIG_USE_ONENAND_BOARD_INIT
-	/*
-	 * It's used for some board init required
-	 */
-	onenand_board_init(&onenand_mtd);
+	/* It's used for some board init required */
+	err = onenand_board_init(&onenand_mtd);
 #else
 	onenand_chip.base = (void *) CONFIG_SYS_ONENAND_BASE;
 #endif
 
-	onenand_scan(&onenand_mtd, 1);
+	if (!err && !(onenand_scan(&onenand_mtd, 1))) {
 
-	if (onenand_chip.device_id & DEVICE_IS_FLEXONENAND)
-		puts("Flex-");
-	puts("OneNAND: ");
-	print_size(onenand_chip.chipsize, "\n");
+		if (onenand_chip.device_id & DEVICE_IS_FLEXONENAND)
+			puts("Flex-");
+		puts("OneNAND: ");
 
 #ifdef CONFIG_MTD_DEVICE
-	/*
-	 * Add MTD device so that we can reference it later
-	 * via the mtdcore infrastructure (e.g. ubi).
-	 */
-	onenand_mtd.name = dev_name;
-	add_mtd_device(&onenand_mtd);
+		/*
+		 * Add MTD device so that we can reference it later
+		 * via the mtdcore infrastructure (e.g. ubi).
+		 */
+		onenand_mtd.name = dev_name;
+		add_mtd_device(&onenand_mtd);
 #endif
+	}
+	print_size(onenand_chip.chipsize, "\n");
 }