X-Git-Url: https://git.ozlabs.org/?p=ccan;a=blobdiff_plain;f=ccan%2Ftal%2Ftal.h;h=42245f68660277c990561502f50b00f94297bcb5;hp=1ed15c75f46fd664b6f57b10c65bcd8eb9790406;hb=60b4ad5bf9ef295f89e834f3667e2aa8914b741a;hpb=bb480e553f9d204b85a2e42de0be42c7b80eebda

diff --git a/ccan/tal/tal.h b/ccan/tal/tal.h
index 1ed15c75..42245f68 100644
--- a/ccan/tal/tal.h
+++ b/ccan/tal/tal.h
@@ -53,14 +53,15 @@ typedef void tal_t;
  * @p: NULL, or tal allocated object to free.
  *
  * This calls the destructors for p (if any), then does the same for all its
- * children (recursively) before finally freeing the memory.
+ * children (recursively) before finally freeing the memory.  It returns
+ * NULL, for convenience.
  *
  * Note: errno is preserved by this call.
  *
  * Example:
- *	tal_free(p);
+ *	p = tal_free(p);
  */
-void tal_free(const tal_t *p);
+void *tal_free(const tal_t *p);
 
 /**
  * tal_arr - allocate an array of objects.