coccinelle: make use of the "type" FREE_AND_NULL() rule

diff --git a/dir.c b/dir.c
index 17590638176f26e35f3a728e5cd56917e0568541..7dc168b80621fa5a196dd27066c5b95b3a0a1915 100644 (file)
--- a/dir.c
+++ b/dir.c
@@ -2117,8 +2117,7 @@ int read_directory(struct dir_struct *dir, struct index_state *istate,
                for (i = j = 0; j < dir->nr; j++) {
                        if (i &&
                            check_dir_entry_contains(dir->entries[i - 1], dir->entries[j])) {
-                               free(dir->entries[j]);
-                               dir->entries[j] = NULL;
+                               FREE_AND_NULL(dir->entries[j]);
                        } else {
                                dir->entries[i++] = dir->entries[j];
                        }
@@ -2144,8 +2143,7 @@ int read_directory(struct dir_struct *dir, struct index_state *istate,
                     dir->untracked->dir_invalidated))
                        istate->cache_changed |= UNTRACKED_CHANGED;
                if (dir->untracked != istate->untracked) {
-                       free(dir->untracked);
-                       dir->untracked = NULL;
+                       FREE_AND_NULL(dir->untracked);
                }
        }
        return dir->nr;
@@ -2488,8 +2486,7 @@ void write_untracked_extension(struct strbuf *out, struct untracked_cache *untra
        strbuf_addbuf(out, &untracked->ident);
 
        strbuf_add(out, ouc, ouc_size(len));
-       free(ouc);
-       ouc = NULL;
+       FREE_AND_NULL(ouc);
 
        if (!untracked->root) {
                varint_len = encode_varint(0, varbuf);