diff options
Diffstat (limited to 'generic/tclIO.c')
| -rw-r--r-- | generic/tclIO.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/generic/tclIO.c b/generic/tclIO.c index 8f76b26..c7fab6c 100644 --- a/generic/tclIO.c +++ b/generic/tclIO.c @@ -11196,6 +11196,9 @@ SetChannelFromAny( ChannelState *statePtr; Interp *interpPtr; + if (interp == NULL) { + return TCL_ERROR; + } if (objPtr->typePtr == &tclChannelType) { /* * The channel is valid until any call to DetachChannel occurs. |