mdesc: fix a missing-check bug in get_vdev_port_node_info()
[ Upstream commit 80caf43549e7e41a695c6d1e11066286538b336f ] In get_vdev_port_node_info(), 'node_info->vdev_port.name' is allcoated by kstrdup_const(), and it returns NULL when fails. So 'node_info->vdev_port.name' should be checked. Signed-off-by: Gen Zhang <blackgod016574@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net> Signed-off-by: Sasha Levin <sashal@kernel.org>
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@ -357,6 +357,8 @@ static int get_vdev_port_node_info(struct mdesc_handle *md, u64 node,
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node_info->vdev_port.id = *idp;
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node_info->vdev_port.name = kstrdup_const(name, GFP_KERNEL);
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if (!node_info->vdev_port.name)
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return -1;
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node_info->vdev_port.parent_cfg_hdl = *parent_cfg_hdlp;
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return 0;
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