fixes for 4.19

[thirdparty/kernel/stable-queue.git] / releases / 4.7.7 / staging-comedi-adv_pci1760-do-not-return-einval-for-cmdf_round_down.patch

From c71f20ee76342376e3c4c67cdbe7421d8c4e886e Mon Sep 17 00:00:00 2001
From: Phil Turnbull <phil.turnbull@oracle.com>
Date: Fri, 29 Jul 2016 09:43:56 -0400
Subject: staging: comedi: adv_pci1760: Do not return EINVAL for CMDF_ROUND_DOWN.

From: Phil Turnbull <phil.turnbull@oracle.com>

commit c71f20ee76342376e3c4c67cdbe7421d8c4e886e upstream.

The CMDF_ROUND_DOWN case falls through and so always returns -EINVAL.

Fixes: 14b93bb6bbf0 ("staging: comedi: adv_pci_dio: separate out PCI-1760 support")
Signed-off-by: Phil Turnbull <phil.turnbull@oracle.com>
Reviewed-by: Ian Abbott <abbotti@mev.co.uk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/staging/comedi/drivers/adv_pci1760.c |    1 +
 1 file changed, 1 insertion(+)

--- a/drivers/staging/comedi/drivers/adv_pci1760.c
+++ b/drivers/staging/comedi/drivers/adv_pci1760.c
@@ -196,6 +196,7 @@ static int pci1760_pwm_ns_to_div(unsigne
 		break;
 	case CMDF_ROUND_DOWN:
 		divisor = ns / PCI1760_PWM_TIMEBASE;
+		break;
 	default:
 		return -EINVAL;
 	}