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%3Ba=su...
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 stable@vger.kernel.org know about it.
From foo@baz Tue Dec 12 13:26:17 CET 2017
From: Petr Cvek petr.cvek@tul.cz Date: Fri, 24 Feb 2017 02:54:56 +0100 Subject: usb: gadget: pxa27x: Test for a valid argument pointer
From: Petr Cvek petr.cvek@tul.cz
[ 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.
Acked-by: Robert Jarzmik robert.jarzmik@free.fr Reported-by: Robert Jarzmik robert.jarzmik@free.fr Signed-off-by: Petr Cvek petr.cvek@tul.cz Signed-off-by: Felipe Balbi felipe.balbi@linux.intel.com Signed-off-by: Sasha Levin alexander.levin@verizon.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/usb/gadget/udc/pxa27x_udc.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-)
--- a/drivers/usb/gadget/udc/pxa27x_udc.c +++ b/drivers/usb/gadget/udc/pxa27x_udc.c @@ -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 petr.cvek@tul.cz are
queue-4.9/usb-gadget-pxa27x-test-for-a-valid-argument-pointer.patch