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mstorage.c: fix the issue that _read_capacity() returns the wrong last valid address of storage medium

This commit is contained in:
hphuang 2020-04-28 19:07:08 +08:00
parent baa3145bfe
commit 9d374f873c
1 changed files with 1 additions and 1 deletions
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2
components/drivers/usb/usbdevice/class/mstorage.c
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@ -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;