mtd: rawnand: marvell: add missing clk_disable_unprepare() on error in marvell_nfc_resume()

Add clk_disable_unprepare() on error path in marvell_nfc_resume().

Fixes: bd9c3f9b3c ("mtd: rawnand: marvell: add suspend and resume hooks")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20210601125814.3260364-1-yangyingliang@huawei.com

drivers/mtd/nand/raw/marvell_nand.c

@@ -3030,8 +3030,10 @@ static int __maybe_unused marvell_nfc_resume(struct device *dev)
 		return ret;
 
 	ret = clk_prepare_enable(nfc->reg_clk);
-	if (ret < 0)
+	if (ret < 0) {
+		clk_disable_unprepare(nfc->core_clk);
 		return ret;
+	}
 
 	/*
 	 * Reset nfc->selected_chip so the next command will cause the timing