Changeset: 3a9afb7a8637 for MonetDB
URL: http://dev.monetdb.org/hg/MonetDB?cmd=changeset;node=3a9afb7a8637
Modified Files:
gdk/gdk_bbp.c
Branch: Dec2016
Log Message:
Test for NULL pointer before dereferencing.
I've seen crashes during exit because of this, although I don't yet
understand how we can get in the situation.
diffs (19 lines):
diff --git a/gdk/gdk_bbp.c b/gdk/gdk_bbp.c
--- a/gdk/gdk_bbp.c
+++ b/gdk/gdk_bbp.c
@@ -1739,11 +1739,13 @@ BBPexit(void)
bat tp = VIEWtparent(b);
bat vtp = VIEWvtparent(b);
if (tp) {
-
BBP_cache(tp)->batSharecnt--;
+ if (BBP_desc(tp))
+
BBP_desc(tp)->batSharecnt--;
--BBP_lrefs(tp);
}
if (vtp) {
-
BBP_cache(vtp)->batSharecnt--;
+ if (BBP_desc(vtp))
+
BBP_desc(vtp)->batSharecnt--;
--BBP_lrefs(vtp);
}
VIEWdestroy(b);
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