fixed potentially dereferencing null pointer

2015-01-25 03:53:52 +01:00
parent f03760e27e
commit feebfe7a74
4 changed files with 14 additions and 7 deletions
--- a/virtualsmartcard/src/ifd-vpcd/ifd-vpcd.c
+++ b/virtualsmartcard/src/ifd-vpcd/ifd-vpcd.c
@@ -295,7 +295,7 @@ IFDHTransmitToICC (DWORD Lun, SCARD_IO_HEADER SendPci, PUCHAR TxBuffer,
    r = IFD_SUCCESS;

 err:
-    if (r != IFD_SUCCESS)
+    if (r != IFD_SUCCESS && RxLength)
        *RxLength = 0;

    free(rapdu);