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-rw-r--r--ports/stm32/usbdev/class/src/usbd_msc_scsi.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/ports/stm32/usbdev/class/src/usbd_msc_scsi.c b/ports/stm32/usbdev/class/src/usbd_msc_scsi.c
index 50cd5b971..b5363e2d4 100644
--- a/ports/stm32/usbdev/class/src/usbd_msc_scsi.c
+++ b/ports/stm32/usbdev/class/src/usbd_msc_scsi.c
@@ -481,7 +481,7 @@ static int8_t SCSI_AllowMediumRemoval(USBD_HandleTypeDef *pdev, uint8_t lun, ui
{
USBD_MSC_BOT_HandleTypeDef *hmsc = &((usbd_cdc_msc_hid_state_t*)pdev->pClassData)->MSC_BOT_ClassData;
hmsc->bot_data_length = 0;
- hmsc->bdev_ops->PreventAllowMediumRemoval(lun, params[0]);
+ hmsc->bdev_ops->PreventAllowMediumRemoval(lun, params[4]);
return 0;
}