lib: io_remove(NULL) and io_remove_closed(NULL) should be no-ops

dovecot · Sep 20, 2017 · df1c1ff · df1c1ff
1 parent 7b03234
commit df1c1ff
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/lib/ioloop.c b/src/lib/ioloop.c
@@ -167,11 +167,17 @@ static void io_remove_full(struct io **_io, bool closed)
 
 void io_remove(struct io **io)
 {
+	if (*io == NULL)
+		return;
+
 	io_remove_full(io, FALSE);
 }
 
 void io_remove_closed(struct io **io)
 {
+	if (*io == NULL)
+		return;
+
 	i_assert(((*io)->condition & IO_NOTIFY) == 0);
 
 	io_remove_full(io, TRUE);