diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 184c24660a4c572b89fd4175d24314dd1fcb8f6c..ab766e0fe4ef3a6532a2efdea8d5452974cd0ee6 100644 --- a/drivers/usb/core/usb.c +++ b/drivers/usb/core/usb.c @@ -761,7 +761,9 @@ void usb_buffer_free ( ) { if (!dev || !dev->bus || !dev->bus->op || !dev->bus->op->buffer_free) - return; + return; + if (!addr) + return; dev->bus->op->buffer_free (dev->bus, size, addr, dma); }