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net/mlx5: E-Switch, Fix error flow in the SRIOV e-switch init code

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When enablement of the SRIOV e-switch in certain mode (switchdev or legacy)
fails, we must set the mode to none. Otherwise, we'll run into double free
based crashes when further attempting to deal with the e-switch (such
as when disabling sriov or unloading the driver).

Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Or Gerlitz 2016-09-18 18:20:28 +03:00 • committed by David S. Miller
commit 4eea37d7b9
1 changed files with 1 additions and 0 deletions
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1
drivers/net/ethernet/mellanox/mlx5/core/eswitch.c
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@ -1554,6 +1554,7 @@ int mlx5_eswitch_enable_sriov(struct mlx5_eswitch *esw, int nvfs, int mode)
abort:
esw_enable_vport(esw, 0, UC_ADDR_CHANGE);
esw->mode = SRIOV_NONE;
return err;
}