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

diff --git a/read-cache.c b/read-cache.c
index bc156a133e9ff197e3d98c63d66f2d958f47f564..66c413657e7e51a839d9baab1c5ab79a23b6280e 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -1888,8 +1888,7 @@ int discard_index(struct index_state *istate)
        free_name_hash(istate);
        cache_tree_free(&(istate->cache_tree));
        istate->initialized = 0;
-       free(istate->cache);
-       istate->cache = NULL;
+       FREE_AND_NULL(istate->cache);
        istate->cache_alloc = 0;
        discard_split_index(istate);
        free_untracked_cache(istate->untracked);
@@ -2603,8 +2602,7 @@ void *read_blob_data_from_index(const struct index_state *istate,
 
 void stat_validity_clear(struct stat_validity *sv)
 {
-       free(sv->sd);
-       sv->sd = NULL;
+       FREE_AND_NULL(sv->sd);
 }
 
 int stat_validity_check(struct stat_validity *sv, const char *path)