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[Backport v4.1-branch] drivers: usb: Prevent from perpetual locked state #90963

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Merged
merged 1 commit into from
Jul 25, 2025
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[Backport v4.1-branch] drivers: usb: Prevent from perpetual locked state #90963

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4 changes: 4 additions & 0 deletions drivers/usb/device/usb_dc_stm32.c
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Original file line number Diff line number Diff line change
Expand Up @@ -865,6 +865,10 @@ int usb_dc_ep_clear_stall(const uint8_t ep)
return -EINVAL;
}

if (!ep_state->ep_stalled) {
return 0;
}

status = HAL_PCD_EP_ClrStall(&usb_dc_stm32_state.pcd, ep);
if (status != HAL_OK) {
LOG_ERR("HAL_PCD_EP_ClrStall failed(0x%02x), %d", ep,
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