Systemd/coccinelle/safe_close.cocci

@@
expression fd;
@@
- close(fd);
- fd = -1;
+ fd = safe_close(fd);
@@
expression fd;
@@
- close_nointr(fd);
- fd = -1;
+ fd = safe_close(fd);
@@
expression fd;
@@
- safe_close(fd);
- fd = -1;
+ fd = safe_close(fd);