diff options
| author | Petr Cvek <petr.cvek@tul.cz> | 2017-02-24 04:54:56 +0300 |
|---|---|---|
| committer | Felipe Balbi <felipe.balbi@linux.intel.com> | 2017-03-06 18:00:24 +0300 |
| commit | df7545719a14fa7b481896fb8689e23d0a00f682 (patch) | |
| tree | 2cb2464f6e928f121ec5fa3bb565207caa6fa844 | |
| parent | 0913750f9fb6f26bcd00c8f9dd9a8d1b8d031246 (diff) | |
| download | linux-df7545719a14fa7b481896fb8689e23d0a00f682.tar.xz | |
usb: gadget: pxa27x: Test for a valid argument pointer
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>
| -rw-r--r-- | drivers/usb/gadget/udc/pxa27x_udc.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/usb/gadget/udc/pxa27x_udc.c b/drivers/usb/gadget/udc/pxa27x_udc.c index e1335ad5bce9..832c4fdbe985 100644 --- 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 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; |