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fix msc buffer alloc when memset usbd_msc_cfg

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sakumisu
2022-03-11 21:36:10 +08:00
parent ceac053bdb
commit 7bdb032805
1 changed files with 8 additions and 2 deletions
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10
class/msc/usbd_msc.c
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@@ -71,12 +71,18 @@ static bool memOK;
static void usbd_msc_reset(void)
{
memset((uint8_t *)&usbd_msc_cfg, 0, sizeof(struct usbd_msc_cfg_priv));
usbd_msc_get_cap(0, &usbd_msc_cfg.scsi_blk_nbr, &usbd_msc_cfg.scsi_blk_size);
uint8_t *buf = NULL;
if (usbd_msc_cfg.block_buffer == NULL) {
usbd_msc_cfg.block_buffer = usb_iomalloc(usbd_msc_cfg.scsi_blk_size * sizeof(uint8_t));
}
buf = usbd_msc_cfg.block_buffer;
memset((uint8_t *)&usbd_msc_cfg, 0, sizeof(struct usbd_msc_cfg_priv));
usbd_msc_get_cap(0, &usbd_msc_cfg.scsi_blk_nbr, &usbd_msc_cfg.scsi_blk_size);
usbd_msc_cfg.block_buffer = buf;
}
/**