5.1-stable patches

[thirdparty/kernel/stable-queue.git] / releases / 4.7.3 / usb-renesas_usbhs-gadget-fix-return-value-check-in-usbhs_mod_gadget_probe.patch

From 3295235fd70ed6d594aadee8c892a14f6a4b2d2e Mon Sep 17 00:00:00 2001
From: Wei Yongjun <weiyj.lk@gmail.com>
Date: Sat, 13 Aug 2016 01:28:24 +0000
Subject: usb: renesas_usbhs: gadget: fix return value check in usbhs_mod_gadget_probe()

From: Wei Yongjun <weiyj.lk@gmail.com>

commit 3295235fd70ed6d594aadee8c892a14f6a4b2d2e upstream.

In case of error, the function usb_get_phy() returns ERR_PTR() and never
returns NULL. The NULL test in the return value check should be replaced
with IS_ERR().

Fixes: b5a2875605ca ("usb: renesas_usbhs: Allow an OTG PHY driver to
	provide VBUS")
Acked-by: Yoshihiro Shimoda <yoshihiro.shimoda.uh@renesas.com>
Signed-off-by: Wei Yongjun <weiyj.lk@gmail.com>
Signed-off-by: Felipe Balbi <felipe.balbi@linux.intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

---
 drivers/usb/renesas_usbhs/mod_gadget.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/drivers/usb/renesas_usbhs/mod_gadget.c
+++ b/drivers/usb/renesas_usbhs/mod_gadget.c
@@ -1076,7 +1076,7 @@ int usbhs_mod_gadget_probe(struct usbhs_
 
 	gpriv->transceiver = usb_get_phy(USB_PHY_TYPE_UNDEFINED);
 	dev_info(dev, "%stransceiver found\n",
-		 gpriv->transceiver ? "" : "no ");
+		 !IS_ERR(gpriv->transceiver) ? "" : "no ");
 
 	/*
 	 * CAUTION