[Pcsclite-cvs-commit] r5959 - /trunk/Drivers/ccid/src/ccid_usb.c
rousseau at users.alioth.debian.org
rousseau at users.alioth.debian.org
Tue Sep 20 20:40:03 UTC 2011
Author: rousseau
Date: Tue Sep 20 20:40:02 2011
New Revision: 5959
URL: http://svn.debian.org/wsvn/pcsclite/?sc=1&rev=5959
Log:
ControlUSB(): log an eror if libusb_control_transfer() fails
Instead of passing a negative length to DEBUG_XXD() and make it crash.
Modified:
trunk/Drivers/ccid/src/ccid_usb.c
Modified: trunk/Drivers/ccid/src/ccid_usb.c
URL: http://svn.debian.org/wsvn/pcsclite/trunk/Drivers/ccid/src/ccid_usb.c?rev=5959&op=diff
==============================================================================
--- trunk/Drivers/ccid/src/ccid_usb.c (original)
+++ trunk/Drivers/ccid/src/ccid_usb.c Tue Sep 20 20:40:02 2011
@@ -1000,6 +1000,15 @@
requesttype, request, value, usbDevice[reader_index].interface,
bytes, size, usbDevice[reader_index].ccid.readTimeout);
+ if (ret < 0)
+ {
+ DEBUG_CRITICAL5("control failed (%d/%d): %d %s",
+ usbDevice[reader_index].bus_number,
+ usbDevice[reader_index].device_address, ret, strerror(errno));
+
+ return STATUS_UNSUCCESSFUL;
+ }
+
if (requesttype & 0x80)
DEBUG_XXD("receive: ", bytes, ret);
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