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envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=40.92.23.99; envelope-from=wendland@live.com.au; helo=NAM12-MW2-obe.outbound.protection.outlook.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Sat, 22 Jun 2024 08:56:19 -0400 X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @LIVE.COM.AU) X-ZM-MESSAGEID: 1719061054088100001 Content-Type: text/plain; charset="utf-8" When a usb device is disconnected the transfer service functions bails before appropraite transfer error flags are set. This patch sets the appropriate condition code OHCI_CC_DEVICENOTRESPONDING when a device is disconnected and consequently has no response on the USB b= us. Fixes: https://gitlab.com/qemu-project/qemu/-/issues/2081 Signed-off-by: Ryan Wendland --- hw/usb/hcd-ohci.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/hw/usb/hcd-ohci.c b/hw/usb/hcd-ohci.c index acd6016980..8cd25d74af 100644 --- a/hw/usb/hcd-ohci.c +++ b/hw/usb/hcd-ohci.c @@ -980,7 +980,8 @@ static int ohci_service_td(OHCIState *ohci, struct ohci= _ed *ed) dev =3D ohci_find_device(ohci, OHCI_BM(ed->flags, ED_FA)); if (dev =3D=3D NULL) { trace_usb_ohci_td_dev_error(); - return 1; + OHCI_SET_BM(td.flags, TD_CC, OHCI_CC_DEVICENOTRESPONDING); + goto exit_and_retire; } ep =3D usb_ep_get(dev, pid, OHCI_BM(ed->flags, ED_EN)); if (ohci->async_td) { @@ -1087,6 +1088,7 @@ static int ohci_service_td(OHCIState *ohci, struct oh= ci_ed *ed) ed->head |=3D OHCI_ED_H; } =20 +exit_and_retire: /* Retire this TD */ ed->head &=3D ~OHCI_DPTR_MASK; ed->head |=3D td.next & OHCI_DPTR_MASK; --=20 2.34.1