diff options
Diffstat (limited to 'drivers/usb/gadget/pxa25x_udc.c')
| -rw-r--r-- | drivers/usb/gadget/pxa25x_udc.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/drivers/usb/gadget/pxa25x_udc.c b/drivers/usb/gadget/pxa25x_udc.c index cc0b1e6..fa8e93c 100644 --- a/drivers/usb/gadget/pxa25x_udc.c +++ b/drivers/usb/gadget/pxa25x_udc.c @@ -21,6 +21,7 @@ #include <linux/ioport.h> #include <linux/types.h> #include <linux/errno.h> +#include <linux/err.h> #include <linux/delay.h> #include <linux/slab.h> #include <linux/init.h> @@ -993,7 +994,7 @@ static int pxa25x_udc_vbus_draw(struct usb_gadget *_gadget, unsigned mA) udc = container_of(_gadget, struct pxa25x_udc, gadget); - if (udc->transceiver) + if (!IS_ERR_OR_NULL(udc->transceiver)) return usb_phy_set_power(udc->transceiver, mA); return -EOPNOTSUPP; } @@ -1299,7 +1300,7 @@ fail: DMSG("registered gadget driver '%s'\n", driver->driver.name); /* connect to bus through transceiver */ - if (dev->transceiver) { + if (!IS_ERR_OR_NULL(dev->transceiver)) { retval = otg_set_peripheral(dev->transceiver->otg, &dev->gadget); if (retval) { @@ -1359,7 +1360,7 @@ static int pxa25x_stop(struct usb_gadget_driver *driver) stop_activity(dev, driver); local_irq_enable(); - if (dev->transceiver) + if (!IS_ERR_OR_NULL(dev->transceiver)) (void) otg_set_peripheral(dev->transceiver->otg, NULL); driver->unbind(&dev->gadget); @@ -2237,7 +2238,7 @@ lubbock_fail0: if (gpio_is_valid(dev->mach->gpio_pullup)) gpio_free(dev->mach->gpio_pullup); err_gpio_pullup: - if (dev->transceiver) { + if (!IS_ERR_OR_NULL(dev->transceiver)) { usb_put_phy(dev->transceiver); dev->transceiver = NULL; } @@ -2279,7 +2280,7 @@ static int __exit pxa25x_udc_remove(struct platform_device *pdev) clk_put(dev->clk); - if (dev->transceiver) { + if (!IS_ERR_OR_NULL(dev->transceiver)) { usb_put_phy(dev->transceiver); dev->transceiver = NULL; } |