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sfc: remove duplicate up_write on VF filter_sem
Somehow two copies of the line 'up_write(&vf->efx->filter_sem);' got into
efx_ef10_sriov_set_vf_vlan(). This would put the mutex in a bad state and
cause all subsequent down attempts to hang.
Fixes: 671b53eec2
("sfc: Ensure down_write(&filter_sem) and up_write() are matched before calling efx_net_open()")
Signed-off-by: Edward Cree <ecree@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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1 changed files with 0 additions and 2 deletions
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@ -661,8 +661,6 @@ int efx_ef10_sriov_set_vf_vlan(struct efx_nic *efx, int vf_i, u16 vlan,
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up_write(&vf->efx->filter_sem);
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mutex_unlock(&vf->efx->mac_lock);
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up_write(&vf->efx->filter_sem);
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rc2 = efx_net_open(vf->efx->net_dev);
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if (rc2)
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goto reset_nic;
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