Constify some return data

Make it clear that apps should not mess with these structures

1 files changed, 1 insertions, 1 deletions

diff --git a/examples/lsusb.c b/examples/lsusb.c
index ca39bd9..f196c85 100644
--- a/examples/lsusb.c
+++ b/examples/lsusb.c
@@ -27,7 +27,7 @@ void print_devs(libusb_device **devs)
 	int i = 0;
 
 	while ((dev = devs[i++]) != NULL) {
-		struct libusb_device_descriptor *desc =
+		const struct libusb_device_descriptor *desc =
 			libusb_get_device_descriptor(dev);
 		printf("%04x:%04x\n", desc->idVendor, desc->idProduct);
 	}