diff options
Diffstat (limited to 'src/class/msc')
| -rw-r--r-- | src/class/msc/msc_device.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/src/class/msc/msc_device.c b/src/class/msc/msc_device.c index e2cf92324..360503d9b 100644 --- a/src/class/msc/msc_device.c +++ b/src/class/msc/msc_device.c @@ -163,9 +163,12 @@ bool mscd_control_request(uint8_t rhport, tusb_control_request_t const * p_reque case MSC_REQ_GET_MAX_LUN:
{
+ uint8_t maxlun = 1;
+ if (tud_msc_maxlun_cb) maxlun = tud_msc_maxlun_cb();
+ TU_VERIFY(maxlun);
+
// MAX LUN is minus 1 by specs
- uint8_t maxlun = 0;
- if (tud_msc_maxlun_cb) maxlun = tud_msc_maxlun_cb() -1;
+ maxlun--;
usbd_control_xfer(rhport, p_request, &maxlun, 1);
}
|