cocci: detect useless free(3) calls
commitec6cd14c7a869b32776c1d3387afc93f369aea62
authorRené Scharfe <l.s.r@web.de>
Sat, 11 Feb 2017 13:58:44 +0000 (11 14:58 +0100)
committerJunio C Hamano <gitster@pobox.com>
Sat, 11 Feb 2017 19:29:12 +0000 (11 11:29 -0800)
treec7b5928a3c577c169c1fa2d0bc1f6bc7617e1fb9
parent3b9e3c2cede15057af3ff8076c45ad5f33829436
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>
contrib/coccinelle/free.cocci