diff options
| author | hphuang <[email protected]> | 2020-04-28 19:07:08 +0800 |
|---|---|---|
| committer | hphuang <[email protected]> | 2020-04-28 19:07:08 +0800 |
| commit | 9d374f873cc9d3f0ee1af5f463fcaeee75d5f6e8 (patch) | |
| tree | 4dacd0527d2466ec7296e570cef4299e4fcacf2b | |
| parent | baa3145bfe61b3330b6a160523cc5470fa5db3a7 (diff) | |
mstorage.c: fix the issue that _read_capacity() returns the wrong last valid address of storage medium
| -rw-r--r-- | components/drivers/usb/usbdevice/class/mstorage.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/components/drivers/usb/usbdevice/class/mstorage.c b/components/drivers/usb/usbdevice/class/mstorage.c index 43fb25afe4..a681b8212f 100644 --- a/components/drivers/usb/usbdevice/class/mstorage.c +++ b/components/drivers/usb/usbdevice/class/mstorage.c @@ -426,7 +426,7 @@ static rt_size_t _read_capacity(ufunction_t func, ustorage_cbw_t cbw) data = (struct mstorage*)func->user_data; buf = data->ep_in->buffer; - sector_count = data->geometry.sector_count; + sector_count = data->geometry.sector_count - 1; /* Last Logical Block Address */ sector_size = data->geometry.bytes_per_sector; buf[0] = sector_count >> 24; |