get_patch_ids() takes an already initialized rev_info and a
prefix. The prefix is used when initalizing a second rev_info. Since
the initialized rev_info already has a prefix and the prefix never
changes, we can used the prefix from the initialized rev_info to
initialize the second rev_info.

Signed-off-by: Martin von Zweigbergk <martin.von.zweigbe...@gmail.com>
---
 builtin/log.c | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/builtin/log.c b/builtin/log.c
index ecc2793..7a92e3f 100644
--- a/builtin/log.c
+++ b/builtin/log.c
@@ -696,7 +696,7 @@ static int reopen_stdout(struct commit *commit, const char 
*subject,
        return 0;
 }
 
-static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids, const 
char *prefix)
+static void get_patch_ids(struct rev_info *rev, struct patch_ids *ids)
 {
        struct rev_info check_rev;
        struct commit *commit;
@@ -717,7 +717,7 @@ static void get_patch_ids(struct rev_info *rev, struct 
patch_ids *ids, const cha
        init_patch_ids(ids);
 
        /* given a range a..b get all patch ids for b..a */
-       init_revisions(&check_rev, prefix);
+       init_revisions(&check_rev, rev->prefix);
        o1->flags ^= UNINTERESTING;
        o2->flags ^= UNINTERESTING;
        add_pending_object(&check_rev, o1, "o1");
@@ -1306,7 +1306,7 @@ int cmd_format_patch(int argc, const char **argv, const 
char *prefix)
                        if (hashcmp(o[0].item->sha1, o[1].item->sha1) == 0)
                                return 0;
                }
-               get_patch_ids(&rev, &ids, prefix);
+               get_patch_ids(&rev, &ids);
        }
 
        if (!use_stdout)
@@ -1525,7 +1525,7 @@ int cmd_cherry(int argc, const char **argv, const char 
*prefix)
                        return 0;
        }
 
-       get_patch_ids(&revs, &ids, prefix);
+       get_patch_ids(&revs, &ids);
 
        if (limit && add_pending_commit(limit, &revs, UNINTERESTING))
                die(_("Unknown commit %s"), limit);
-- 
1.7.11.1.104.ge7b44f1

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