From a17ad038d9235aef5e112853466f8397354eb285 Mon Sep 17 00:00:00 2001
From: Chris Dickens <christopher.a.dickens@gmail.com>
Date: Dec 09 2020 20:45:00 +0000
Subject: core: Fix libusb_get_max_iso_packet_size() for superspeed plus


The current logic fails to consider superspeed plus devices properly.
Fix this by checking for superspeed or greater instead of matching
against superspeed.

Closes #553

Signed-off-by: Chris Dickens <christopher.a.dickens@gmail.com>
(cherry picked from commit dbd4991a2478ae57e39347bf8610e636554e4c1f)

patch_name: 0008-core-Fix-libusb_get_max_iso_packet_size-for-superspe.patch
present_in_specfile: true
location_in_specfile: 8
squash_commits: true

---

diff --git a/libusb/core.c b/libusb/core.c
index 0048dad..5c0a2e0 100644
--- a/libusb/core.c
+++ b/libusb/core.c
@@ -1121,8 +1121,8 @@ int API_EXPORTED libusb_get_max_iso_packet_size(libusb_device *dev,
 		goto out;
 	}
 
-	speed = libusb_get_device_speed( dev );
-	if (speed == LIBUSB_SPEED_SUPER) {
+	speed = libusb_get_device_speed(dev);
+	if (speed >= LIBUSB_SPEED_SUPER) {
 		r = libusb_get_ss_endpoint_companion_descriptor(dev->ctx, ep, &ss_ep_cmp);
 		if (r == LIBUSB_SUCCESS) {
 			r = ss_ep_cmp->wBytesPerInterval;
@@ -1131,7 +1131,7 @@ int API_EXPORTED libusb_get_max_iso_packet_size(libusb_device *dev,
 	}
 
 	/* If the device isn't a SuperSpeed device or retrieving the SS endpoint didn't worked. */
-	if (speed != LIBUSB_SPEED_SUPER || r < 0) {
+	if (speed < LIBUSB_SPEED_SUPER || r < 0) {
 		val = ep->wMaxPacketSize;
 		ep_type = (enum libusb_transfer_type) (ep->bmAttributes & 0x3);
 
diff --git a/libusb/version_nano.h b/libusb/version_nano.h
index 8e487b0..57c2b1d 100644
--- a/libusb/version_nano.h
+++ b/libusb/version_nano.h
@@ -1 +1 @@
-#define LIBUSB_NANO 11421
+#define LIBUSB_NANO 11426