diff options
| author | sakumisu <[email protected]> | 2022-06-20 20:22:35 +0800 |
|---|---|---|
| committer | sakumisu <[email protected]> | 2022-06-20 20:22:35 +0800 |
| commit | 1ecd17e156364e964e343ee208da850077d70768 (patch) | |
| tree | bed0795ecd76df3cd95310cb8544cdfe0874b1d6 | |
| parent | 2b686023ebd14a0f03d6fc681c4cad7f0efd45d0 (diff) | |
fix fsdev pma offset max size caculate
| -rw-r--r-- | port/fsdev/usb_dc_fsdev.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/port/fsdev/usb_dc_fsdev.c b/port/fsdev/usb_dc_fsdev.c index a45db033..ecdc330f 100644 --- a/port/fsdev/usb_dc_fsdev.c +++ b/port/fsdev/usb_dc_fsdev.c @@ -153,7 +153,7 @@ int usbd_ep_open(const struct usbd_endpoint_cfg *ep_cfg) g_fsdev_udc.out_ep[ep_idx].ep_mps = ep_cfg->ep_mps; g_fsdev_udc.out_ep[ep_idx].ep_type = ep_cfg->ep_type; if (g_fsdev_udc.out_ep[ep_idx].ep_mps > g_fsdev_udc.out_ep[ep_idx].ep_pma_buf_len) { - if (g_fsdev_udc.pma_offset + g_fsdev_udc.out_ep[ep_idx].ep_mps >= USB_RAM_SIZE) { + if (g_fsdev_udc.pma_offset + g_fsdev_udc.out_ep[ep_idx].ep_mps > USB_RAM_SIZE) { return -1; } g_fsdev_udc.out_ep[ep_idx].ep_pma_buf_len = ep_cfg->ep_mps; @@ -172,7 +172,7 @@ int usbd_ep_open(const struct usbd_endpoint_cfg *ep_cfg) g_fsdev_udc.in_ep[ep_idx].ep_mps = ep_cfg->ep_mps; g_fsdev_udc.in_ep[ep_idx].ep_type = ep_cfg->ep_type; if (g_fsdev_udc.in_ep[ep_idx].ep_mps > g_fsdev_udc.in_ep[ep_idx].ep_pma_buf_len) { - if (g_fsdev_udc.pma_offset + g_fsdev_udc.in_ep[ep_idx].ep_mps >= USB_RAM_SIZE) { + if (g_fsdev_udc.pma_offset + g_fsdev_udc.in_ep[ep_idx].ep_mps > USB_RAM_SIZE) { return -1; } g_fsdev_udc.in_ep[ep_idx].ep_pma_buf_len = ep_cfg->ep_mps; |