From: John Darrington <john@darrington.wattle.id.au>
Date: Tue, 17 Mar 2009 23:44:32 +0000 (+0900)
Subject: Fixed crash which occured when deleting dictionaries which had variable labels
X-Git-Tag: v0.7.3~215
X-Git-Url: https://pintos-os.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c2026467b6982086ba9fd5c44e549a0fe735285e;p=pspp-builds.git

Fixed crash which occured when deleting dictionaries which had variable labels
---

diff --git a/src/data/dictionary.c b/src/data/dictionary.c
index f6776780..ba840898 100644
--- a/src/data/dictionary.c
+++ b/src/data/dictionary.c
@@ -1348,6 +1348,9 @@ dict_var_changed (const struct variable *v)
       const struct vardict_info *vdi = var_get_vardict (v);
       struct dictionary *d = vdi->dict;
 
+      if ( NULL == d)
+	return;
+
       if (d->changed ) d->changed (d, d->changed_data);
       if ( d->callbacks && d->callbacks->var_changed )
 	d->callbacks->var_changed (d, var_get_dict_index (v), d->cb_data);