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commit-graph: free graph struct that was not added to chain

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When reading the graph chain file, we open (and allocate) each
individual slice it mentions and then add them to a linked-list chain.
But if adding to the chain fails (e.g., because the base-graph chunk it
contains didn't match what we expected), we leave the function without
freeing the graph struct that caused the failure, leaking it.

We can fix it by calling free_graph_commit().

Signed-off-by: Jeff King <peff@peff.net>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Jeff King 2023-10-03 16:30:44 -04:00 committed by Junio C Hamano
parent 991d549f74
commit 1d94abfe1e
1 changed files with 2 additions and 0 deletions
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commit-graph.c
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@ -566,6 +566,8 @@ static struct commit_graph *load_commit_graph_chain(struct repository *r,
if (add_graph_to_chain(g, graph_chain, oids, i)) {
graph_chain = g;
valid = 1;
} else {
free_commit_graph(g);
}
break;