[SCSI] eata_pio: off by one in eata_pio_detect()

Smatch complains that the reg_IRQ[] array only has MAXIRQ (16) elements
so we are one space beyond the end of the array here.

Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
diff --git a/drivers/scsi/eata_pio.c b/drivers/scsi/eata_pio.c
index 356def4..1663173 100644
--- a/drivers/scsi/eata_pio.c
+++ b/drivers/scsi/eata_pio.c
@@ -919,7 +919,7 @@
 	find_pio_EISA(&gc);
 	find_pio_ISA(&gc);
 
-	for (i = 0; i <= MAXIRQ; i++)
+	for (i = 0; i < MAXIRQ; i++)
 		if (reg_IRQ[i])
 			request_irq(i, do_eata_pio_int_handler, IRQF_DISABLED, "EATA-PIO", NULL);