grep: remove redundant "fixed" field re-assignment to 0

diff --git a/read-cache.c b/read-cache.c
index f0269200526bf17f7b9b04b3d0b80383c99e73b8..3c4354ee21c898813e3fdbecf82a5e703e3f1b5e 100644 (file)
--- a/read-cache.c
+++ b/read-cache.c
@@ -5,6 +5,7 @@
  */
 #define NO_THE_INDEX_COMPATIBILITY_MACROS
 #include "cache.h"
+#include "config.h"
 #include "tempfile.h"
 #include "lockfile.h"
 #include "cache-tree.h"
@@ -1894,8 +1895,7 @@ 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);
@@ -2609,8 +2609,7 @@ 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)