tree-wide: make more code use safe_close()

Replace this:

        close(fd);
        fd = -1;

write this:

        fd = safe_close(fd);

1 files changed, 18 insertions, 0 deletions

diff --git a/coccinelle/safe_close.cocci b/coccinelle/safe_close.cocci
new file mode 100644
index 0000000000..6fedd804f2
--- /dev/null
+++ b/coccinelle/safe_close.cocci
@@ -0,0 +1,18 @@
+@@
+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);