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IB/mlx5: Avoid async events on invalid port number

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On a single ported Connect-IB, its possible for the firmware to issue
events on the non-existing 2nd port.  Make sure to ignore events
generated for such ports.

Signed-off-by: Eli Cohen <eli@mellanox.com>
Signed-off-by: Roland Dreier <roland@purestorage.com>
This commit is contained in:
Eli Cohen 2013-09-11 16:35:27 +03:00 committed by Roland Dreier
parent 203099fd73
commit a0c84c326f
1 changed files with 5 additions and 0 deletions
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5
drivers/infiniband/hw/mlx5/main.c
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@ -1006,6 +1006,11 @@ static void mlx5_ib_event(struct mlx5_core_dev *dev, enum mlx5_dev_event event,
ibev.device = &ibdev->ib_dev;
ibev.element.port_num = port;
if (port < 1 || port > ibdev->num_ports) {
mlx5_ib_warn(ibdev, "warning: event on port %d\n", port);
return;
}
if (ibdev->ib_active)
ib_dispatch_event(&ibev);
}