cocci: detect useless free(3) calls
Add a semantic patch for removing checks that cause free(3) to only be called with a NULL pointer, as that must be a programming mistake. Signed-off-by: Rene Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
René Scharfe committed
Feb 11, 2017 at 14:58 UTC
ec6cd14c7a869b32776c1d3387afc93f369aea62
1 file changed
+6
contrib/coccinelle/free.cocci
+6
@@ -3,3 +3,9 @@ expression E;
3
@@
4
- if (E)
5
free(E);
6
+
7
+@@
8
+expression E;
9
+@@
10
+- if (!E)
11
+ free(E);