commit 9a6bf2a51049ad50a420483392c3dd7c8557dcaa
from: Stefan Sperling <stsp@stsp.name>
date: Sun May 20 12:04:17 2018 UTC

simplify tog log view scroll_down()

commit - 16482c3bbedc26df5938c248bd58d6240a58d38d
commit + 9a6bf2a51049ad50a420483392c3dd7c8557dcaa
blob - 8c006114915a340b1e713f721df76ce714d2b538
blob + a0d98d2298f5a84183a354cb1c94c48d3a2cdce9
--- tog/tog.c
+++ tog/tog.c
@@ -515,12 +515,8 @@ scroll_down(struct commit_queue_entry **first_displaye
 		pentry = TAILQ_NEXT(entry, entry);
 		if (pentry == NULL) {
 			err = fetch_parent_commit(&pentry, entry, repo);
-			if (err)
+			if (err || pentry == NULL)
 				break;
-			if (pentry == NULL) {
-				*first_displayed_entry = entry;
-				return NULL;
-			}
 			TAILQ_INSERT_TAIL(commits, pentry, entry);
 			last_displayed_entry = pentry;
 		}
@@ -536,7 +532,8 @@ scroll_down(struct commit_queue_entry **first_displaye
 			if (pentry) {
 				TAILQ_INSERT_TAIL(commits, pentry, entry);
 				last_displayed_entry = pentry;
-			}
+			} else
+				break;
 		}
 	} while (++nscrolled < maxscroll);