odb: free object data when id is ambiguous

By the time we recognise this as an ambiguous id, the object's data
has been loaded into memory. Free it when returning EABMIGUOUS.

1 files changed, 3 insertions, 1 deletions

diff --git a/src/odb.c b/src/odb.c
index 23eb4e12e..6969cf772 100644
--- a/src/odb.c
+++ b/src/odb.c
@@ -786,8 +786,10 @@ attempt_lookup:
 			git__free(data);
 			data = raw.data;
 
-			if (found && git_oid__cmp(&full_oid, &found_full_oid))
+			if (found && git_oid__cmp(&full_oid, &found_full_oid)) {
+				git__free(raw.data);
 				return git_odb__error_ambiguous("multiple matches for prefix");
+			}
 
 			found_full_oid = full_oid;
 			found = true;