ricardgb commented on issue #19435:
URL: https://github.com/apache/nuttx/issues/19435#issuecomment-4973088236
## Patch (diff)
```diff
diff --git a/drivers/usbdev/usbmsc.c b/drivers/usbdev/usbmsc.c
index bfac6ff03f..bae9bc2f99 100644
--- a/drivers/usbdev/usbmsc.c
+++ b/drivers/usbdev/usbmsc.c
@@ -741,7 +741,7 @@ static int usbmsc_setup(FAR struct usbdevclass_driver_s
*driver,
if (ctrl->type == USB_REQ_RECIPIENT_INTERFACE)
{
if (priv->config == USBMSC_CONFIGID &&
- index == USBMSC_INTERFACEID &&
+ index == priv->devinfo.ifnobase &&
value == USBMSC_ALTINTERFACEID)
{
/* Signal to instantiate the interface change */
@@ -764,7 +764,7 @@ static int usbmsc_setup(FAR struct usbdevclass_driver_s
*driver,
if (ctrl->type == (USB_DIR_IN | USB_REQ_RECIPIENT_INTERFACE) &&
priv->config == USBMSC_CONFIGIDNONE)
{
- if (index != USBMSC_INTERFACEID)
+ if (index != priv->devinfo.ifnobase)
{
ret = -EDOM;
}
@@ -805,7 +805,7 @@ static int usbmsc_setup(FAR struct usbdevclass_driver_s
*driver,
{
/* Only one interface is supported */
- if (index != USBMSC_INTERFACEID)
+ if (index != priv->devinfo.ifnobase)
{
usbtrace(TRACE_CLSERROR(USBMSC_TRACEERR_MSRESETNDX),
index);
@@ -836,7 +836,7 @@ static int usbmsc_setup(FAR struct usbdevclass_driver_s
*driver,
{
/* Only one interface is supported */
- if (index != USBMSC_INTERFACEID)
+ if (index != priv->devinfo.ifnobase)
{
usbtrace(TRACE_CLSERROR(USBMSC_TRACEERR_GETMAXLUNNDX),
index);
```
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