Fix TELNET server locking up if an invalid command was issued.

[pub/USBasp.git] / LUFA / Drivers / USB / LowLevel / Pipe.c

diff --git a/LUFA/Drivers/USB/LowLevel/Pipe.c b/LUFA/Drivers/USB/LowLevel/Pipe.c
index e88aa63..2b956a8 100644 (file)
--- a/LUFA/Drivers/USB/LowLevel/Pipe.c
+++ b/LUFA/Drivers/USB/LowLevel/Pipe.c
@@ -78,8 +78,15 @@ bool Pipe_IsEndpointBound(const uint8_t EndpointAddress)
        {\r
                Pipe_SelectPipe(PNum);\r
                \r
-               if (Pipe_IsConfigured() && (Pipe_BoundEndpointNumber() == (EndpointAddress & PIPE_EPNUM_MASK)))\r
-                 return true;\r
+               uint8_t PipeToken = Pipe_GetPipeToken();\r
+\r
+               if (PipeToken != PIPE_TOKEN_SETUP)\r
+                 PipeToken = (PipeToken == ((EndpointAddress & PIPE_EPDIR_MASK) ? PIPE_TOKEN_IN : PIPE_TOKEN_OUT));\r
+               \r
+               if (Pipe_IsConfigured() && (Pipe_BoundEndpointNumber() == (EndpointAddress & PIPE_EPNUM_MASK)) && PipeToken)\r
+               {               \r
+                       return true;\r
+               }\r
        }\r
        \r
        Pipe_SelectPipe(PrevPipeNumber);\r