Allow passing in a NULL pointer, return USB_RET_NODEV in that case.
Removes the burden to to a NULL pointer check from the callers.
Signed-off-by: Gerd Hoffmann <kra...@redhat.com>
---
hw/usb.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/hw/usb.c b/hw/usb.c
index 5482c92..80afd99 100644
--- a/hw/usb.c
+++ b/hw/usb.c
@@ -322,6 +322,10 @@ int usb_handle_packet(USBDevice *dev, USBPacket *p)
{
int ret;
+ if (dev == NULL) {
+ return USB_RET_NODEV;
+ }
+
assert(p->owner == NULL);
ret = dev->info->handle_packet(dev, p);
if (ret == USB_RET_ASYNC) {
--
1.7.1
