log_tree_diff: get rid of extra check for NULL

Get rid of needless check of 'parents' for NULL. The NULL case
is already handled right above, and 'parents' is dereferenced
without check below anyway.

Signed-off-by: Sergey Organov <sorganov@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

diff --git a/log-tree.c b/log-tree.c
index c01932fa72bf32e4b5de401c64344f8bd509cb68..8ac285a25af58e73801263cb2ddd026ed6b7521d 100644 (file)
--- a/log-tree.c
+++ b/log-tree.c
@@ -917,7 +917,7 @@ static int log_tree_diff(struct rev_info *opt, struct commit *commit, struct log
        }
 
        /* More than one parent? */
        }
 
        /* More than one parent? */

-       if (parents && parents->next) {
+       if (parents->next) {

                if (opt->ignore_merges)
                        return 0;
                else if (opt->combine_merges)
                if (opt->ignore_merges)
                        return 0;
                else if (opt->combine_merges)