use get_cached_commit_buffer where appropriate

diff --git a/builtin/log.c b/builtin/log.c
index b97373da3b2687e18b5eba96382049382d1536fd..226f8f2980036d332fbafe43eefb967d1b61b933 100644 (file)
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -349,8 +349,7 @@ static int cmd_log_walk(struct rev_info *rev)
                        rev->max_count++;
                if (!rev->reflog_info) {
                        /* we allow cycles in reflog ancestry */
-                       free(commit->buffer);
-                       commit->buffer = NULL;
+                       free_commit_buffer(commit);
                }
                free_commit_list(commit->parents);
                commit->parents = NULL;
@@ -503,7 +502,7 @@ static void show_rev_tweak_rev(struct rev_info *rev, struct setup_revision_opt *
                /* There was no "-m" on the command line */
                rev->ignore_merges = 0;
                if (!rev->first_parent_only && !rev->combine_merges) {
-                       /* No "--first-parent", "-c", nor "--cc" */
+                       /* No "--first-parent", "-c", or "--cc" */
                        rev->combine_merges = 1;
                        rev->dense_combined_merges = 1;
                }
@@ -1508,8 +1507,7 @@ int cmd_format_patch(int argc, const char **argv, const char *prefix)
                    reopen_stdout(rev.numbered_files ? NULL : commit, NULL, &rev, quiet))
                        die(_("Failed to create output files"));
                shown = log_tree_commit(&rev, commit);
-               free(commit->buffer);
-               commit->buffer = NULL;
+               free_commit_buffer(commit);
 
                /* We put one extra blank line between formatted
                 * patches and this flag is used by log-tree code