line-log: handle deref_tag() returning NULL
Signed-off-by: René Scharfe <l.s.r@web.de> Signed-off-by: Junio C Hamano <gitster@pobox.com>
René Scharfe committed
Oct 11, 2020 at 18:03 UTC
5eb2ed691b809a55b024b8c10739254ea2ac48b7
1 file changed
+1
-1
line-log.c
+1
-1
@@ -481,7 +481,7 @@ static struct commit *check_single_commit(struct rev_info *revs)
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if (obj->flags & UNINTERESTING)
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continue;
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obj = deref_tag(revs->repo, obj, NULL, 0);
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- if (obj->type != OBJ_COMMIT)
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+ if (!obj || obj->type != OBJ_COMMIT)
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die("Non commit %s?", revs->pending.objects[i].name);
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if (commit)
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die("More than one commit to dig from: %s and %s?",