Fixed possible invalid program execution when in host mode if corrupt descriptor...

[pub/USBasp.git] / LUFA / Drivers / USB / Class / Common / HIDParser.c

diff --git a/LUFA/Drivers/USB/Class/Common/HIDParser.c b/LUFA/Drivers/USB/Class/Common/HIDParser.c
index 20fceab..b90f89e 100644 (file)
--- a/LUFA/Drivers/USB/Class/Common/HIDParser.c
+++ b/LUFA/Drivers/USB/Class/Common/HIDParser.c
@@ -351,7 +351,7 @@ uint16_t USB_GetHIDReportSize(HID_ReportInfo_t* const ParserData,
                uint16_t ReportSizeBits = ParserData->ReportIDSizes[i].ReportSizeBits[ReportType];
 
                if (ParserData->ReportIDSizes[i].ReportID == ReportID)
                uint16_t ReportSizeBits = ParserData->ReportIDSizes[i].ReportSizeBits[ReportType];
 
                if (ParserData->ReportIDSizes[i].ReportID == ReportID)

-                 return ((ReportSizeBits >> 3) + ((ReportSizeBits & 0x07) ? 1 : 0));
+                 return (ReportSizeBits / 8) + ((ReportSizeBits % 8) ? 1 : 0);

        }
 
        return 0;
        }
 
        return 0;