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[Qemu-devel] [PATCH 09/28] usb: handle dev == NULL in usb_handle_packet(
From: |
Gerd Hoffmann |
Subject: |
[Qemu-devel] [PATCH 09/28] usb: handle dev == NULL in usb_handle_packet() |
Date: |
Fri, 10 Feb 2012 12:43:05 +0100 |
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 <address@hidden>
---
hw/usb.c | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)
diff --git a/hw/usb.c b/hw/usb.c
index bacdc81..9976f81 100644
--- a/hw/usb.c
+++ b/hw/usb.c
@@ -315,6 +315,10 @@ int usb_handle_packet(USBDevice *dev, USBPacket *p)
{
int ret;
+ if (dev == NULL) {
+ return USB_RET_NODEV;
+ }
+
assert(p->owner == NULL);
ret = usb_device_handle_packet(dev, p);
if (ret == USB_RET_ASYNC) {
--
1.7.1
- [Qemu-devel] [PATCH 03/28] usb-redir: Add the posibility to filter out certain devices from redirecion, (continued)
- [Qemu-devel] [PATCH 03/28] usb-redir: Add the posibility to filter out certain devices from redirecion, Gerd Hoffmann, 2012/02/10
- [Qemu-devel] [PATCH 18/28] usb: add USBEndpoint->{nr,pid}, Gerd Hoffmann, 2012/02/10
- [Qemu-devel] [PATCH 06/28] usb: kill usb_send_msg, Gerd Hoffmann, 2012/02/10
- [Qemu-devel] [PATCH 14/28] usb-xhci: switch to usb_find_device(), Gerd Hoffmann, 2012/02/10
- [Qemu-devel] [PATCH 23/28] xhci: signal low- and fullspeed support, Gerd Hoffmann, 2012/02/10
- [Qemu-devel] [PATCH 15/28] usb: kill handle_packet callback, Gerd Hoffmann, 2012/02/10
- [Qemu-devel] [PATCH 12/28] usb-ohci: switch to usb_find_device(), Gerd Hoffmann, 2012/02/10
- [Qemu-devel] [PATCH 05/28] usb: kill USB_MSG_RESET, Gerd Hoffmann, 2012/02/10
- [Qemu-devel] [PATCH 16/28] usb: fold usb_generic_handle_packet into usb_handle_packet, Gerd Hoffmann, 2012/02/10
- [Qemu-devel] [PATCH 26/28] xhci: kill port arg from xhci_setup_packet, Gerd Hoffmann, 2012/02/10
- [Qemu-devel] [PATCH 09/28] usb: handle dev == NULL in usb_handle_packet(),
Gerd Hoffmann <=
- [Qemu-devel] [PATCH 11/28] usb-ehci: switch to usb_find_device(), Gerd Hoffmann, 2012/02/10
- [Qemu-devel] [PATCH 20/28] usb: maintain async packet list per endpoint, Gerd Hoffmann, 2012/02/10
- [Qemu-devel] [PATCH 13/28] usb-musb: switch to usb_find_device(), Gerd Hoffmann, 2012/02/10
- [Qemu-devel] [PATCH 27/28] xhci: remote wakeup support, Gerd Hoffmann, 2012/02/10
- [Qemu-devel] [PATCH 21/28] usb: pass USBEndpoint to usb_wakeup, Gerd Hoffmann, 2012/02/10
- [Qemu-devel] [PATCH 17/28] usb: USBPacket: add status, rename owner -> ep, Gerd Hoffmann, 2012/02/10
- [Qemu-devel] [PATCH 25/28] xhci: stop on errors, Gerd Hoffmann, 2012/02/10
- [Qemu-devel] [PATCH 19/28] usb: Set USBEndpoint in usb_packet_setup()., Gerd Hoffmann, 2012/02/10
- [Qemu-devel] [PATCH 28/28] xhci: handle USB_RET_NAK, Gerd Hoffmann, 2012/02/10
- [Qemu-devel] [PATCH 24/28] xhci: add trb type name lookup support., Gerd Hoffmann, 2012/02/10