From: Ben Hutchings Date: Wed, 25 Nov 2009 16:11:19 +0000 (+0000) Subject: sfc: Hold MAC lock for longer in efx_init_port() X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=1dfc5ceacd00365a9089e98643f4b26253d5a6aa;p=GitHub%2Fexynos8895%2Fandroid_kernel_samsung_universal8895.git sfc: Hold MAC lock for longer in efx_init_port() 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 Signed-off-by: David S. Miller --- diff --git a/drivers/net/sfc/efx.c b/drivers/net/sfc/efx.c index 4ebad613e6de..155aa1cca366 100644 --- a/drivers/net/sfc/efx.c +++ b/drivers/net/sfc/efx.c @@ -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; }