Patch "usb: gadget: pxa27x: Test for a valid argument pointer" has been added to the 4.9-stable tree

This is a note to let you know that I've just added the patch titled

usb: gadget: pxa27x: Test for a valid argument pointer

to the 4.9-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
usb-gadget-pxa27x-test-for-a-valid-argument-pointer.patch
and it can be found in the queue-4.9 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree, please let <[email protected]> know about it.

From: Petr Cvek <[email protected]>
Date: Fri, 24 Feb 2017 02:54:56 +0100
Subject: usb: gadget: pxa27x: Test for a valid argument pointer

From: Petr Cvek <[email protected]>

[ Upstream commit df7545719a14fa7b481896fb8689e23d0a00f682 ]

A call usb_put_phy(udc->transceiver) must be tested for a valid pointer. Use an already existing test for usb_unregister_notifier call.

---
 drivers/usb/gadget/udc/pxa27x_udc.c |    5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

@@ -2534,9 +2534,10 @@ static int pxa_udc_remove(struct platfor
 	usb_del_gadget_udc(&udc->gadget);
 	pxa_cleanup_debugfs(udc);
 
-	if (!IS_ERR_OR_NULL(udc->transceiver))
+	if (!IS_ERR_OR_NULL(udc->transceiver)) {
 		usb_unregister_notifier(udc->transceiver, &pxa27x_udc_phy);
-	usb_put_phy(udc->transceiver);
+		usb_put_phy(udc->transceiver);
+	}
 
 	udc->transceiver = NULL;
 	the_controller = NULL;

Patches currently in stable-queue which might be from [email protected] are

queue-4.9/usb-gadget-pxa27x-test-for-a-valid-argument-pointer.patch