Fix gwbuf_apped assertion on writeq drain

The DCB writeq would be the tail pointer and it would be NULL.
2019-05-21 11:50:14 +03:00
parent 6667dbed18
commit c4fff21909
2 changed files with 2 additions and 2 deletions
--- a/include/maxscale/buffer.hh
+++ b/include/maxscale/buffer.hh
@ -272,7 +272,7 @@ extern int gwbuf_compare(const GWBUF* lhs, const GWBUF* rhs);
 * Append a buffer onto a linked list of buffer structures.
 *
 * @param head  The current head of the linked list or NULL.
- * @param tail  Another buffer to make the tail of the linked list
+ * @param tail  Another buffer to make the tail of the linked list, must not be NULL
 *
 * @return The new head of the linked list
 */