Don't try to delref a NULL group.

diff --git a/plugins/sudoers/pwutil.c b/plugins/sudoers/pwutil.c
index 453223281f54232cecf0b79413d5a18974d3af75..044ebcced2dc56b054a20b9e29620d30765bf494 100644 (file)
--- a/plugins/sudoers/pwutil.c
+++ b/plugins/sudoers/pwutil.c
@@ -708,6 +708,7 @@ user_in_group(struct passwd *pw, const char *group)
 #endif /* HAVE_MBR_CHECK_MEMBERSHIP */
 
 done:
-    gr_delref(grp);
+    if (grp != NULL)
+       gr_delref(grp);
     return(retval);
 }