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usb: usb_dc_native_posix: fix control transfers with data.

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Previously, if a control transfer had data, it would be unhandled and
left in the usbip socket to be interpreted as the next usbip packet,
leading to explosions.

Signed-off-by: Josh Gao <josh@jmgao.dev>
This commit is contained in:
Josh Gao 2019-12-04 18:42:19 -08:00 • committed by Carles Cufí
commit 2717b28b0f
1 changed files with 4 additions and 0 deletions
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4
drivers/usb/device/usb_dc_native_posix.c
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@ -524,6 +524,10 @@ int handle_usb_control(struct usbip_header *hdr)
if (ep_cb) { if (ep_cb) {
LOG_DBG("Call ep_cb"); LOG_DBG("Call ep_cb");
ep_cb(ntohl(hdr->common.ep), USB_DC_EP_SETUP); ep_cb(ntohl(hdr->common.ep), USB_DC_EP_SETUP);
if (ntohl(hdr->common.command) == USBIP_CMD_SUBMIT &&
hdr->u.submit.transfer_buffer_length != 0) {
ep_cb(ntohl(hdr->common.ep), USB_DC_EP_DATA_OUT);
}
} }
return 0; return 0;