[PATCH v2 2/2] usb: gadget: pxa27x: Test for a valid argument pointer
Petr Cvek
petr.cvek at tul.cz
Thu Feb 23 17:54:56 PST 2017
A call usb_put_phy(udc->transceiver) must be tested for a valid pointer.
Use an already existing test for usb_unregister_notifier call.
Reported-by: Robert Jarzmik <robert.jarzmik at free.fr>
Signed-off-by: Petr Cvek <petr.cvek at tul.cz>
---
drivers/usb/gadget/udc/pxa27x_udc.c | 5 +++--
1 file changed, 3 insertions(+), 2 deletions(-)
diff --git a/drivers/usb/gadget/udc/pxa27x_udc.c b/drivers/usb/gadget/udc/pxa27x_udc.c
index 821bd8f4cae6..d48e239660c3 100644
--- a/drivers/usb/gadget/udc/pxa27x_udc.c
+++ b/drivers/usb/gadget/udc/pxa27x_udc.c
@@ -2531,9 +2531,10 @@ static int pxa_udc_remove(struct platform_device *_dev)
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;
--
2.11.0
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