From: John Youn <johnyoun@synopsys.com>
Date: Thu, 28 Apr 2016 03:20:56 +0000 (-0700)
Subject: UPSTREAM: usb: dwc2: Proper cleanup on dr_mode failure
X-Git-Tag: firefly_0821_release~854
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=0138d6e4886c3658fcc546bc4f2ccb1328a311c0;p=firefly-linux-kernel-4.4.55.git

UPSTREAM: usb: dwc2: Proper cleanup on dr_mode failure

Cleanup in probe if we fail to get dr_mode.

Change-Id: I8b2f1cf210b9baa6fc81bddd9b64be1bf5e657fb
Signed-off-by: John Youn <johnyoun@synopsys.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Huang, Tao <huangtao@rock-chips.com>
(cherry picked from commit a6ef3e02542a33fb705e6977221deb0292b27398)
---

diff --git a/drivers/usb/dwc2/platform.c b/drivers/usb/dwc2/platform.c
index da2824581b08..0cb69c439d3a 100644
--- a/drivers/usb/dwc2/platform.c
+++ b/drivers/usb/dwc2/platform.c
@@ -571,7 +571,7 @@ static int dwc2_driver_probe(struct platform_device *dev)
 
 	retval = dwc2_get_dr_mode(hsotg);
 	if (retval)
-		return retval;
+		goto error;
 
 	/*
 	 * Reset before dwc2_get_hwparams() then it could get power-on real