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drivers: usb_dc_native_posix: do not use IN callback without reason

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Call the IN callback only if data in usb_dc_ep_write()
is actually written to the intermediate buffer and sent.

Signed-off-by: Johann Fischer <johann.fischer@nordicsemi.no>
This commit is contained in:
Johann Fischer 2021-02-19 00:15:43 +01:00 • committed by Carles Cufí
commit 77c2c1230b
1 changed files with 8 additions and 2 deletions
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10
drivers/usb/device/usb_dc_native_posix.c
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@ -577,8 +577,14 @@ int handle_usb_data(struct usbip_header *hdr)
LOG_HEXDUMP_DBG(ep_ctrl->buf, ep_ctrl->buf_len, ">");
/* Indicate data sent */
ep_ctrl->cb(ep, USB_DC_EP_DATA_IN);
/*
* Call the callback only if data in usb_dc_ep_write()
* is actually written to the intermediate buffer and sent.
*/
if (ep_ctrl->buf_len != 0) {
ep_ctrl->cb(ep, USB_DC_EP_DATA_IN);
usbip_ctrl.in_ep_ctrl[ep_idx].buf_len = 0;
}
}
return 0;