From d29196dcc4a126dabf7d4131e3843c3b25fe8c35 Mon Sep 17 00:00:00 2001
From: Chris Dickens <christopher.a.dickens@gmail.com>
Date: Mon, 13 Jan 2020 14:07:31 -0800
Subject: [PATCH 08/10] 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)
---
 libusb/core.c         | 6 +++---
 libusb/version_nano.h | 2 +-
 2 files changed, 4 insertions(+), 4 deletions(-)

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
-- 
2.26.1