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X-MS-Exchange-CrossTenant-fromentityheader: Hosted X-MS-Exchange-CrossTenant-id: c33c9f88-1eb7-4099-9700-16013fd9e8aa X-MS-Exchange-CrossTenant-mailboxtype: HOSTED X-MS-Exchange-CrossTenant-userprincipalname: Lw8KpSBSaJv+YJU4yb4YprDOu9Zzc/8R3Zwp3ZHWAFSJEJFjNLz6INDtBarnJDmGx18QsnTpS7njT+EF3kDd4g== X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR12MB7950 X-Proofpoint-GUID: JN-pv9gGG3-VPz5z1TtCIJIx7V4OYVfk X-Proofpoint-ORIG-GUID: JN-pv9gGG3-VPz5z1TtCIJIx7V4OYVfk X-Authority-Analysis: v=2.4 cv=Y5mqsQeN c=1 sm=1 tr=0 ts=67354c15 cx=c_pps a=8EbXvwLXkpGsT4ql/pYRAw==:117 a=8EbXvwLXkpGsT4ql/pYRAw==:17 a=wKuvFiaSGQ0qltdbU6+NXLB8nM8=:19 a=Ol13hO9ccFRV9qXi2t6ftBPywas=:19 a=xqWC_Br6kY4A:10 a=8nJEP1OIZ-IA:10 a=VlfZXiiP6vEA:10 a=nEwiWwFL_bsA:10 a=qPHU084jO2kA:10 a=VwQbUJbxAAAA:8 a=jIQo8A4GAAAA:8 a=ekUo5NEpdgRYIMB-EUUA:9 a=wPNLvfGTeEIA:10 a=Lf5xNeLK5dgiOs8hzIjU:22 X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1039,Hydra:6.0.680,FMLib:17.12.60.29 definitions=2024-09-06_09,2024-09-06_01,2024-09-02_01 X-Proofpoint-Spam-Details: rule=outbound_active_cloned_notspam policy=outbound_active_cloned score=0 phishscore=0 bulkscore=0 spamscore=0 mlxlogscore=999 priorityscore=1501 impostorscore=0 mlxscore=0 clxscore=1015 adultscore=0 malwarescore=0 lowpriorityscore=0 suspectscore=0 classifier=spam authscore=0 adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2411140005 The driver cannot issue the End Transfer command to the SETUP transfer. Don't clear DWC3_EP_TRANSFER_STARTED flag to make sure that the driver won't send Start Transfer command again, which can cause no-resource error. For example this can occur if the host issues a reset to the device. Cc: stable@vger.kernel.org Fixes: 76cb323f80ac ("usb: dwc3: ep0: clear all EP0 flags") Signed-off-by: Thinh Nguyen --- drivers/usb/dwc3/ep0.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/usb/dwc3/ep0.c b/drivers/usb/dwc3/ep0.c index f3d97ad5156e..666ac432f52d 100644 --- a/drivers/usb/dwc3/ep0.c +++ b/drivers/usb/dwc3/ep0.c @@ -232,7 +232,7 @@ void dwc3_ep0_stall_and_restart(struct dwc3 *dwc) /* stall is always issued on EP0 */ dep = dwc->eps[0]; __dwc3_gadget_ep_set_halt(dep, 1, false); - dep->flags &= DWC3_EP_RESOURCE_ALLOCATED; + dep->flags &= DWC3_EP_RESOURCE_ALLOCATED | DWC3_EP_TRANSFER_STARTED; dep->flags |= DWC3_EP_ENABLED; dwc->delayed_status = false;