tdb_transaction_recover: fix memory leak

In tdb_transaction_recover(), need free data before return,
otherwise it will cause memory leak.

Signed-off-by: Wu Guanghao <wuguanghao3@huawei.com>
Signed-off-by: Zhiqiang Liu <liuzhiqiang26@huawei.com>
Reviewed-by: Wu Bo <wubo40@huawei.com>
Signed-off-by: Theodore Ts'o <tytso@mit.edu>

diff --git a/lib/ext2fs/tdb.c b/lib/ext2fs/tdb.c
index 5091b12..0fb9481 100644 (file)
--- a/lib/ext2fs/tdb.c
+++ b/lib/ext2fs/tdb.c
@@ -2186,6 +2186,7 @@ int tdb_transaction_recover(struct tdb_context *tdb)
                                   rec.data_len, 0) == -1) {
                TDB_LOG((tdb, TDB_DEBUG_FATAL, "tdb_transaction_recover: failed to read recovery data\n"));
                tdb->ecode = TDB_ERR_IO;
+               free(data);
                return -1;
        }