diff options
| -rw-r--r-- | drivers/usb/core/usb.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/usb/core/usb.c b/drivers/usb/core/usb.c index 184c24660a4..ab766e0fe4e 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); } |