linux-kernel - [RFC 06/19] dwc3: gadget: check returned value in suspend/resume

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Message-id: <1426687464-2563-7-git-send-email-r.baldyga@samsung.com>
Date:	Wed, 18 Mar 2015 15:04:11 +0100
From:	Robert Baldyga <r.baldyga@...sung.com>
To:	balbi@...com
Cc:	gregkh@...uxfoundation.org, myungjoo.ham@...sung.com,
	cw00.choi@...sung.com, linux-usb@...r.kernel.org,
	linux-kernel@...r.kernel.org, m.szyprowski@...sung.com,
	Robert Baldyga <r.baldyga@...sung.com>
Subject: [RFC 06/19] dwc3: gadget: check returned value in suspend/resume

Check value returned by dwc3_gadget_run_stop() in suspend/resume
functions and propagate it to next layer.

Signed-off-by: Robert Baldyga <r.baldyga@...sung.com>
---
 drivers/usb/dwc3/gadget.c | 12 ++++++++----
 1 file changed, 8 insertions(+), 4 deletions(-)

diff --git a/drivers/usb/dwc3/gadget.c b/drivers/usb/dwc3/gadget.c
index 4e73934..b0c1ab5 100644
--- a/drivers/usb/dwc3/gadget.c
+++ b/drivers/usb/dwc3/gadget.c
@@ -2827,18 +2827,22 @@ void dwc3_gadget_exit(struct dwc3 *dwc)
 
 int dwc3_gadget_suspend(struct dwc3 *dwc)
 {
+	int ret = 0;
+
 	if (dwc->pullups_connected) {
 		dwc3_gadget_disable_irq(dwc);
-		dwc3_gadget_run_stop(dwc, true, true);
+		ret = dwc3_gadget_run_stop(dwc, true, true);
 	}
 
 	dwc->dcfg = dwc3_readl(dwc->regs, DWC3_DCFG);
 
-	return 0;
+	return ret;
 }
 
 int dwc3_gadget_resume(struct dwc3 *dwc)
 {
+	int ret = 0;
+
 	/* Start with SuperSpeed Default */
 	dwc3_gadget_ep0_desc.wMaxPacketSize = cpu_to_le16(512);
 
@@ -2846,8 +2850,8 @@ int dwc3_gadget_resume(struct dwc3 *dwc)
 
 	if (dwc->pullups_connected) {
 		dwc3_gadget_enable_irq(dwc);
-		dwc3_gadget_run_stop(dwc, true, false);
+		ret = dwc3_gadget_run_stop(dwc, true, false);
 	}
 
-	return 0;
+	return ret;
 }
-- 
1.9.1

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