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sfc: Hold MAC lock for longer in efx_init_port()

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Although efx_init_port() is only called at probe time and so cannot
race with port reconfiguration, most of the functions it calls can
expect to be called with the MAC lock held.

Signed-off-by: Ben Hutchings <bhutchings@solarflare.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Ben Hutchings 2009-11-25 16:11:19 +00:00 committed by David S. Miller
parent 26deba5013
commit 1dfc5ceacd
1 changed files with 9 additions and 5 deletions
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14
drivers/net/sfc/efx.c
View file

@ -737,23 +737,27 @@ static int efx_init_port(struct efx_nic *efx)
EFX_LOG(efx, "init port\n");
mutex_lock(&efx->mac_lock);
rc = efx->phy_op->init(efx);
if (rc)
return rc;
mutex_lock(&efx->mac_lock);
goto fail1;
efx->phy_op->reconfigure(efx);
rc = falcon_switch_mac(efx);
mutex_unlock(&efx->mac_lock);
if (rc)
goto fail;
goto fail2;
efx->mac_op->reconfigure(efx);
efx->port_initialized = true;
efx_stats_enable(efx);
mutex_unlock(&efx->mac_lock);
return 0;
fail:
fail2:
efx->phy_op->fini(efx);
fail1:
mutex_unlock(&efx->mac_lock);
return rc;
}