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nfc: pn533: properly drop the usb interface reference on disconnect

When the device is disconnected from the driver, there is a "dangling"
reference count on the usb interface that was grabbed in the probe
callback. Fix this up by properly dropping the reference after we are
done with it.

Cc: stable <stable@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Reviewed-by: Simon Horman <horms@kernel.org>
Fixes: c46ee38620a2 ("NFC: pn533: add NXP pn533 nfc device driver")
Link: https://patch.msgid.link/2026022329-flashing-ought-7573@gregkh
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

authored by

Greg Kroah-Hartman and committed by
Jakub Kicinski 12133a48 2f61f38a

+1
+1
drivers/nfc/pn533/usb.c
··· 628 628 usb_free_urb(phy->out_urb); 629 629 usb_free_urb(phy->ack_urb); 630 630 kfree(phy->ack_buffer); 631 + usb_put_dev(phy->udev); 631 632 632 633 nfc_info(&interface->dev, "NXP PN533 NFC device disconnected\n"); 633 634 }