[PATCH] AT91: usb gadget: fix freeing irq in _udc_remove()

[Nicolas Ferre]

From: Rob Emanuele <rje@xxxxxxxxxxxxxxxx>

Add a free_irq() call on vbus gpio when we remove udc so that the
vbus irq is properly released.

Signed-off-by: Rob Emanuele <rje@xxxxxxxxxxxxxxxx>
Signed-off-by: Nicolas Ferre <nicolas.ferre@xxxxxxxxx>
---
 drivers/usb/gadget/atmel_usba_udc.c |    4 +++-
 1 files changed, 3 insertions(+), 1 deletions(-)

diff --git a/drivers/usb/gadget/atmel_usba_udc.c b/drivers/usb/gadget/atmel_usba_udc.c
index 717ff65..e7c65a4 100644
--- a/drivers/usb/gadget/atmel_usba_udc.c
+++ b/drivers/usb/gadget/atmel_usba_udc.c
@@ -2057,8 +2057,10 @@ static int __exit usba_udc_remove(struct platform_device *pdev)
 		usba_ep_cleanup_debugfs(&usba_ep[i]);
 	usba_cleanup_debugfs(udc);
 
-	if (gpio_is_valid(udc->vbus_pin))
+	if (gpio_is_valid(udc->vbus_pin)) {
+		free_irq(gpio_to_irq(udc->vbus_pin), udc);
 		gpio_free(udc->vbus_pin);
+	}
 
 	free_irq(udc->irq, udc);
 	kfree(usba_ep);
-- 
1.7.3

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