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of: unittest: fix memory leak in unittest_data_add
[ Upstream commite13de8fe0d
] In unittest_data_add, a copy buffer is created via kmemdup. This buffer is leaked if of_fdt_unflatten_tree fails. The release for the unittest_data buffer is added. Fixes:b951f9dc7f
("Enabling OF selftest to run without machine's devicetree") Signed-off-by: Navid Emamdoost <navid.emamdoost@gmail.com> Reviewed-by: Frank Rowand <frowand.list@gmail.com> Signed-off-by: Rob Herring <robh@kernel.org> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -1159,6 +1159,7 @@ static int __init unittest_data_add(void)
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of_fdt_unflatten_tree(unittest_data, NULL, &unittest_data_node);
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if (!unittest_data_node) {
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pr_warn("%s: No tree to attach; not running tests\n", __func__);
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kfree(unittest_data);
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return -ENODATA;
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}
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