diff options
Diffstat (limited to 'src/class/msc')
| -rw-r--r-- | src/class/msc/msc_host.c | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/class/msc/msc_host.c b/src/class/msc/msc_host.c index 08b4db9e1..ca360ca2a 100644 --- a/src/class/msc/msc_host.c +++ b/src/class/msc/msc_host.c @@ -297,10 +297,11 @@ void msch_init(void) void msch_close(uint8_t dev_addr) { msch_interface_t* p_msc = get_itf(dev_addr); - tu_memclr(p_msc, sizeof(msch_interface_t)); // invoke Application Callback - if (tuh_msc_umount_cb) tuh_msc_umount_cb(dev_addr); + if (p_msc->mounted && tuh_msc_umount_cb) tuh_msc_umount_cb(dev_addr); + + tu_memclr(p_msc, sizeof(msch_interface_t)); } bool msch_xfer_cb(uint8_t dev_addr, uint8_t ep_addr, xfer_result_t event, uint32_t xferred_bytes) |