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@xxxxxx> --- No cases are found in master or next, but 1d263b93 (bisect--helper: `bisect_next_check` & bisect_voc shell function in C) introduced four of them to pu. contrib/coccinelle/free.cocci | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/contrib/coccinelle/free.cocci b/contrib/coccinelle/free.cocci index e28213161a..c03ba737e5 100644 --- a/contrib/coccinelle/free.cocci +++ b/contrib/coccinelle/free.cocci @@ -3,3 +3,9 @@ expression E; @@ - if (E) free(E); + +@@ +expression E; +@@ +- if (!E) + free(E); -- 2.11.1