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| author | dgp <dgp@users.sourceforge.net> | 2014-07-31 19:58:53 (GMT) |
|---|---|---|
| committer | dgp <dgp@users.sourceforge.net> | 2014-07-31 19:58:53 (GMT) |
| commit | 1666ae35d8a1d7fd4183adbcca775f541b8596eb (patch) | |
| tree | 6521d31bd10bcd65cbbdbf16eef72f69ecf9c251 | |
| parent | f10bee2648e7e87c576a1afe761e8525255d3a7a (diff) | |
| download | tcl-1666ae35d8a1d7fd4183adbcca775f541b8596eb.zip tcl-1666ae35d8a1d7fd4183adbcca775f541b8596eb.tar.gz tcl-1666ae35d8a1d7fd4183adbcca775f541b8596eb.tar.bz2 | |
[a84a720966] Protect against double free in TclOO classChainCache teardown.
| -rw-r--r-- | generic/tclOOCall.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/generic/tclOOCall.c b/generic/tclOOCall.c index 26fd09f..897f635 100644 --- a/generic/tclOOCall.c +++ b/generic/tclOOCall.c @@ -150,7 +150,7 @@ void TclOODeleteChain( CallChain *callPtr) { - if (--callPtr->refCount >= 1) { + if (callPtr == NULL || --callPtr->refCount >= 1) { return; } if (callPtr->chain != callPtr->staticChain) { |