use pop_commit() for consuming the first entry of a struct commit_listrs/pop-commit

Instead of open-coding the function pop_commit() just call it.  This
makes the intent clearer and reduces code size.

Signed-off-by: Rene Scharfe <l.s.r@web.de>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 1 insertions, 5 deletions

diff --git a/shallow.c b/shallow.c
index 257d8115c7..889fad9131 100644
--- a/shallow.c
+++ b/shallow.c
@@ -422,13 +422,9 @@ static void paint_down(struct paint_info *info, const unsigned char *sha1,
 	commit_list_insert(c, &head);
 	while (head) {
 		struct commit_list *p;
-		struct commit *c = head->item;
+		struct commit *c = pop_commit(&head);
 		uint32_t **refs = ref_bitmap_at(&info->ref_bitmap, c);
 
-		p = head;
-		head = head->next;
-		free(p);
-
 		/* XXX check "UNINTERESTING" from pack bitmaps if available */
 		if (c->object.flags & (SEEN | UNINTERESTING))
 			continue;