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move buffer malloc in init

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This commit is contained in:
sakumisu
2022-03-17 16:39:41 +08:00
parent ce5097f6b9
commit 1526766816
1 changed files with 8 additions and 5 deletions
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13
class/msc/usbd_msc.c
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@@ -73,15 +73,11 @@ static void usbd_msc_reset(void)
{
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_get_cap(0, &usbd_msc_cfg.scsi_blk_nbr, &usbd_msc_cfg.scsi_blk_size);
usbd_msc_cfg.block_buffer = buf;
}
@@ -984,4 +980,11 @@ void usbd_msc_class_init(uint8_t out_ep, uint8_t in_ep)
usbd_interface_add_endpoint(&msc_intf, &mass_ep_data[0]);
usbd_interface_add_endpoint(&msc_intf, &mass_ep_data[1]);
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);
if (usbd_msc_cfg.block_buffer == NULL) {
usbd_msc_cfg.block_buffer = usb_iomalloc(usbd_msc_cfg.scsi_blk_size * sizeof(uint8_t));
}
}