From: Felipe Balbi <balbi@ti.com>
Date: Thu, 8 Sep 2011 11:12:18 +0000 (+0300)
Subject: usb: gadget: udc-core: fix bug on soft_connect interface
X-Git-Tag: firefly_0821_release~3680^2~4327^2~135
X-Git-Url: http://demsky.eecs.uci.edu/git/?a=commitdiff_plain;h=865569ba5a8b0cc840e2b9c16ca6b42d6d5306b4;p=firefly-linux-kernel-4.4.55.git

usb: gadget: udc-core: fix bug on soft_connect interface

We should not be using dev_get_drvdata() because we
never call dev_set_drvdata(). Let's use container_of()
as all other sysfs attributes.

Signed-off-by: Felipe Balbi <balbi@ti.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
---

diff --git a/drivers/usb/gadget/udc-core.c b/drivers/usb/gadget/udc-core.c
index 5e77a46a429a..022baeca7c94 100644
--- a/drivers/usb/gadget/udc-core.c
+++ b/drivers/usb/gadget/udc-core.c
@@ -356,7 +356,7 @@ static DEVICE_ATTR(srp, S_IWUSR, NULL, usb_udc_srp_store);
 static ssize_t usb_udc_softconn_store(struct device *dev,
 		struct device_attribute *attr, const char *buf, size_t n)
 {
-	struct usb_udc		*udc = dev_get_drvdata(dev);
+	struct usb_udc		*udc = container_of(dev, struct usb_udc, dev);
 
 	if (sysfs_streq(buf, "connect")) {
 		usb_gadget_connect(udc->gadget);