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IB/core: Honor port_num while resolving GID for IB link layer
ah_attr contains the port number to which cm_id is bound. However, while searching for GID table for matching GID entry, the port number is ignored. This could cause the wrong GID to be used when the ah_attr is converted to an AH. Reviewed-by: Daniel Jurgens <danielj@mellanox.com> Signed-off-by: Parav Pandit <parav@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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@ -724,21 +724,19 @@ int ib_init_ah_from_mcmember(struct ib_device *device, u8 port_num,
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{
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int ret;
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u16 gid_index;
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u8 p;
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if (rdma_protocol_roce(device, port_num)) {
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ret = ib_find_cached_gid_by_port(device, &rec->port_gid,
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gid_type, port_num,
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ndev,
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&gid_index);
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} else if (rdma_protocol_ib(device, port_num)) {
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ret = ib_find_cached_gid(device, &rec->port_gid,
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IB_GID_TYPE_IB, NULL, &p,
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/* GID table is not based on the netdevice for IB link layer,
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* so ignore ndev during search.
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*/
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if (rdma_protocol_ib(device, port_num))
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ndev = NULL;
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else if (!rdma_protocol_roce(device, port_num))
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return -EINVAL;
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ret = ib_find_cached_gid_by_port(device, &rec->port_gid,
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gid_type, port_num,
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ndev,
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&gid_index);
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} else {
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ret = -EINVAL;
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}
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if (ret)
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return ret;
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