X-Git-Url: https://git.zerfleddert.de/cgi-bin/gitweb.cgi/hmcfgusb/blobdiff_plain/867564c59f3e0687e581efe822365d3ef599c76f..715728607ae77bebf3ac50fdbdb46639551995e4:/hmcfgusb.c

diff --git a/hmcfgusb.c b/hmcfgusb.c
index b9b0f23..90e82f2 100644
--- a/hmcfgusb.c
+++ b/hmcfgusb.c
@@ -61,7 +61,7 @@ static int debug = 0;
 static int libusb_initialized = 0;
 
 /* Not in all libusb-1.0 versions, so we have to roll our own :-( */
-static char * usb_strerror(int e)
+static const char* usb_strerror(int e)
 {
 	static char unknerr[256];
 
@@ -99,7 +99,7 @@ static char * usb_strerror(int e)
 	return unknerr;
 }
 
-static char * usb_str_transfer_status(int e)
+static const char* usb_str_transfer_status(int e)
 {
 	static char unknerr[256];
 
@@ -113,6 +113,8 @@ static char * usb_str_transfer_status(int e)
 		case LIBUSB_TRANSFER_CANCELLED:
 			return "Transfer cancelled";
 		case LIBUSB_TRANSFER_STALL:
+			return "For bulk/interrupt endpoints: endpoint stalled. For control endpoints: control request not supported.";
+		case LIBUSB_TRANSFER_NO_DEVICE:
 			return "No device";
 		case LIBUSB_TRANSFER_OVERFLOW:
 			return "Transfer overflow";