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authorJiri Pirko <jpirko@redhat.com>2011-09-03 03:34:30 +0000
committerDavid S. Miller <davem@davemloft.net>2011-09-15 17:32:26 -0400
commit4bc71cb983fd2844e603bf633df2bb53385182d2 (patch)
tree067b6df32fda6c554b2b9263a94a585c2e5a832d /drivers/scsi/bnx2fc
parentc5dac7c9984d8a034eb7ae149cedf23ec9259f98 (diff)
downloadlinux-4bc71cb983fd2844e603bf633df2bb53385182d2.tar.gz
net: consolidate and fix ethtool_ops->get_settings calling
This patch does several things:
- introduces __ethtool_get_settings which is called from ethtool code and
  from drivers as well. Put ASSERT_RTNL there.
- dev_ethtool_get_settings() is replaced by __ethtool_get_settings()
- changes calling in drivers so rtnl locking is respected. In
  iboe_get_rate was previously ->get_settings() called unlocked. This
  fixes it. Also prb_calc_retire_blk_tmo() in af_packet.c had the same
  problem. Also fixed by calling __dev_get_by_index() instead of
  dev_get_by_index() and holding rtnl_lock for both calls.
- introduces rtnl_lock in bnx2fc_vport_create() and fcoe_vport_create()
  so bnx2fc_if_create() and fcoe_if_create() are called locked as they
  are from other places.
- use __ethtool_get_settings() in bonding code

Signed-off-by: Jiri Pirko <jpirko@redhat.com>

v2->v3:
	-removed dev_ethtool_get_settings()
	-added ASSERT_RTNL into __ethtool_get_settings()
	-prb_calc_retire_blk_tmo - use __dev_get_by_index() and lock
	 around it and __ethtool_get_settings() call
v1->v2:
        add missing export_symbol
Reviewed-by: Ben Hutchings <bhutchings@solarflare.com> [except FCoE bits]
Acked-by: Ralf Baechle <ralf@linux-mips.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/scsi/bnx2fc')
-rw-r--r--drivers/scsi/bnx2fc/bnx2fc_fcoe.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
index 2c780a78fcbd..820a1840c3f7 100644
--- a/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
+++ b/drivers/scsi/bnx2fc/bnx2fc_fcoe.c
@@ -673,7 +673,7 @@ static void bnx2fc_link_speed_update(struct fc_lport *lport)
 	struct net_device *netdev = interface->netdev;
 	struct ethtool_cmd ecmd;
 
-	if (!dev_ethtool_get_settings(netdev, &ecmd)) {
+	if (!__ethtool_get_settings(netdev, &ecmd)) {
 		lport->link_supported_speeds &=
 			~(FC_PORTSPEED_1GBIT | FC_PORTSPEED_10GBIT);
 		if (ecmd.supported & (SUPPORTED_1000baseT_Half |
@@ -1001,9 +1001,11 @@ static int bnx2fc_vport_create(struct fc_vport *vport, bool disabled)
 			"this interface\n");
 		return -EIO;
 	}
+	rtnl_lock();
 	mutex_lock(&bnx2fc_dev_lock);
 	vn_port = bnx2fc_if_create(interface, &vport->dev, 1);
 	mutex_unlock(&bnx2fc_dev_lock);
+	rtnl_unlock();
 
 	if (IS_ERR(vn_port)) {
 		printk(KERN_ERR PFX "bnx2fc_vport_create (%s) failed\n",