diff --git a/drivers/mtd/nand/raw/pxa3xx_nand.c b/drivers/mtd/nand/raw/pxa3xx_nand.c
index 03f210bdb0b3f9bcc998505f370a98dfc14cc733..7e3346dfcc2d2b397f9163404f1e8aea4b826ec2 100644
--- a/drivers/mtd/nand/raw/pxa3xx_nand.c
+++ b/drivers/mtd/nand/raw/pxa3xx_nand.c
@@ -639,7 +639,7 @@ static void handle_data_pio(struct pxa3xx_nand_info *info)
 				DIV_ROUND_UP(info->step_spare_size, 4));
 		break;
 	case STATE_PIO_READING:
-		if (info->step_chunk_size)
+		if (data_len)
 			drain_fifo(info,
 				   info->data_buff + info->data_buff_pos,
 				   DIV_ROUND_UP(data_len, 4));