netdev - [net-next 16/17] ixgbe: Set lan_id before first I2C eeprom access

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Date:	Tue, 22 Sep 2015 16:54:35 -0700
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	davem@...emloft.net
Cc:	Mark Rustad <mark.d.rustad@...el.com>, netdev@...r.kernel.org,
	nhorman@...hat.com, sassmann@...hat.com, jogreene@...hat.com,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next 16/17] ixgbe: Set lan_id before first I2C eeprom access

From: Mark Rustad <mark.d.rustad@...el.com>

The lan_id is being set after a previous I2C eeprom access which
makes no sense because it needs to be set before any access. Move
the setting to before the access.

Signed-off-by: Mark Rustad <mark.d.rustad@...el.com>
Tested-by: Phil Schmitt <phillip.j.schmitt@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
 drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
index 0856d0b..2b238ca 100644
--- a/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
+++ b/drivers/net/ethernet/intel/ixgbe/ixgbe_phy.c
@@ -1171,6 +1171,9 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
 		return IXGBE_ERR_SFP_NOT_PRESENT;
 	}
 
+	/* LAN ID is needed for sfp_type determination */
+	hw->mac.ops.set_lan_id(hw);
+
 	status = hw->phy.ops.read_i2c_eeprom(hw,
 					     IXGBE_SFF_IDENTIFIER,
 					     &identifier);
@@ -1178,9 +1181,6 @@ s32 ixgbe_identify_sfp_module_generic(struct ixgbe_hw *hw)
 	if (status)
 		goto err_read_i2c_eeprom;
 
-	/* LAN ID is needed for sfp_type determination */
-	hw->mac.ops.set_lan_id(hw);
-
 	if (identifier != IXGBE_SFF_IDENTIFIER_SFP) {
 		hw->phy.type = ixgbe_phy_sfp_unsupported;
 		return IXGBE_ERR_SFP_NOT_SUPPORTED;
-- 
2.4.3

--
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html