From dacb8834463f13bf8eca4986757565fe6fee8e44 Mon Sep 17 00:00:00 2001
From: "Joshua M. Clulow" <josh@sysmgr.org>
Date: Mon, 14 Feb 2022 12:28:13 -0800
Subject: [PATCH] illumos: more debug logging in illumos_find_interface()
---
libusb/os/illumos_usb.c | 12 +++++++++++-
1 file changed, 11 insertions(+), 1 deletion(-)
diff --git a/libusb/os/illumos_usb.c b/libusb/os/illumos_usb.c
index ec4b2721..76583f33 100644
--- a/libusb/os/illumos_usb.c
+++ b/libusb/os/illumos_usb.c
@@ -822,6 +822,7 @@ illumos_find_interface(struct libusb_device_handle *hdev,
r = libusb_get_active_config_descriptor(hdev->dev, &config);
if (r < 0) {
+ usbi_dbg(HANDLE_CTX(hdev), "could not get active desc");
return (LIBUSB_ERROR_INVALID_PARAM);
}
@@ -830,16 +831,25 @@ illumos_find_interface(struct libusb_device_handle *hdev,
&config->interface[iface_idx];
int altsetting_idx;
+ usbi_dbg(HANDLE_CTX(hdev), "check iface %d", iface_idx);
for (altsetting_idx = 0; altsetting_idx < iface->num_altsetting;
altsetting_idx++) {
const struct libusb_interface_descriptor *altsetting =
&iface->altsetting[altsetting_idx];
int ep_idx;
+ usbi_dbg(HANDLE_CTX(hdev), "check iface %d alt %d",
+ iface_idx, altsetting_idx);
for (ep_idx = 0; ep_idx < altsetting->bNumEndpoints;
ep_idx++) {
const struct libusb_endpoint_descriptor *ep =
- &altsetting->endpoint[ep_idx];
+ &altsetting->endpoint[ep_idx];
+
+ usbi_dbg(HANDLE_CTX(hdev), "check iface %d "
+ "alt %d ep_idx %d; has epa %02x",
+ iface_idx, altsetting_idx, ep_idx,
+ (uint32_t)ep->bEndpointAddress);
+
if (ep->bEndpointAddress == endpoint) {
*interface = iface_idx;
libusb_free_config_descriptor(config);