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]
Message-Id: <1359363869-32391-7-git-send-email-jeffrey.t.kirsher@intel.com>
Date:	Mon, 28 Jan 2013 01:04:21 -0800
From:	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
To:	davem@...emloft.net
Cc:	Bruce Allan <bruce.w.allan@...el.com>, netdev@...r.kernel.org,
	gospo@...hat.com, sassmann@...hat.com,
	Jeff Kirsher <jeffrey.t.kirsher@...el.com>
Subject: [net-next 06/14] e1000e: cleanup: remove e1000e_commit_phy()

From: Bruce Allan <bruce.w.allan@...el.com>

Remove the function e1000e_commit_phy() and replace the few calls to it
with the same function pointer that it would call.  The function pointer is
almost always set for the devices that access these code paths so there is
no risk of a NULL pointer dereference; for the few instances where the
function pointer might not be set (i.e. can be called for the few devices
which do not have this function pointer set), check for a valid function
pointer.

Signed-off-by: Bruce Allan <bruce.w.allan@...el.com>
Tested-by: Jeff Pieper <jeffrey.e.pieper@...el.com>
Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@...el.com>
---
 drivers/net/ethernet/intel/e1000e/80003es2lan.c |  2 +-
 drivers/net/ethernet/intel/e1000e/e1000.h       |  2 --
 drivers/net/ethernet/intel/e1000e/ethtool.c     |  5 ++--
 drivers/net/ethernet/intel/e1000e/phy.c         | 35 +++++++++----------------
 4 files changed, 16 insertions(+), 28 deletions(-)

diff --git a/drivers/net/ethernet/intel/e1000e/80003es2lan.c b/drivers/net/ethernet/intel/e1000e/80003es2lan.c
index ae96fac..3f27546 100644
--- a/drivers/net/ethernet/intel/e1000e/80003es2lan.c
+++ b/drivers/net/ethernet/intel/e1000e/80003es2lan.c
@@ -1010,7 +1010,7 @@ static s32 e1000_copper_link_setup_gg82563_80003es2lan(struct e1000_hw *hw)
 		return ret_val;
 
 	/* SW Reset the PHY so all changes take effect */
-	ret_val = e1000e_commit_phy(hw);
+	ret_val = hw->phy.ops.commit(hw);
 	if (ret_val) {
 		e_dbg("Error Resetting the PHY\n");
 		return ret_val;
diff --git a/drivers/net/ethernet/intel/e1000e/e1000.h b/drivers/net/ethernet/intel/e1000e/e1000.h
index 896eacc..4ffb62b 100644
--- a/drivers/net/ethernet/intel/e1000e/e1000.h
+++ b/drivers/net/ethernet/intel/e1000e/e1000.h
@@ -579,8 +579,6 @@ extern const struct e1000_info e1000_es2_info;
 extern s32 e1000_read_pba_string_generic(struct e1000_hw *hw, u8 *pba_num,
 					 u32 pba_num_size);
 
-extern s32  e1000e_commit_phy(struct e1000_hw *hw);
-
 extern bool e1000e_enable_mng_pass_thru(struct e1000_hw *hw);
 
 extern bool e1000e_get_laa_state_82571(struct e1000_hw *hw);
diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c
index 6ab949d..58df18c 100644
--- a/drivers/net/ethernet/intel/e1000e/ethtool.c
+++ b/drivers/net/ethernet/intel/e1000e/ethtool.c
@@ -1321,7 +1321,7 @@ static int e1000_integrated_phy_loopback(struct e1000_adapter *adapter)
 		phy_reg |= 0x006;
 		e1e_wphy(hw, PHY_REG(2, 21), phy_reg);
 		/* Assert SW reset for above settings to take effect */
-		e1000e_commit_phy(hw);
+		hw->phy.ops.commit(hw);
 		mdelay(1);
 		/* Force Full Duplex */
 		e1e_rphy(hw, PHY_REG(769, 16), &phy_reg);
@@ -1542,7 +1542,8 @@ static void e1000_loopback_cleanup(struct e1000_adapter *adapter)
 		if (phy_reg & MII_CR_LOOPBACK) {
 			phy_reg &= ~MII_CR_LOOPBACK;
 			e1e_wphy(hw, PHY_CONTROL, phy_reg);
-			e1000e_commit_phy(hw);
+			if (hw->phy.ops.commit)
+				hw->phy.ops.commit(hw);
 		}
 		break;
 	}
diff --git a/drivers/net/ethernet/intel/e1000e/phy.c b/drivers/net/ethernet/intel/e1000e/phy.c
index c4bfbd6..cddfc6b 100644
--- a/drivers/net/ethernet/intel/e1000e/phy.c
+++ b/drivers/net/ethernet/intel/e1000e/phy.c
@@ -788,7 +788,7 @@ s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw)
 			if (ret_val)
 				return ret_val;
 			/* Commit the changes. */
-			ret_val = e1000e_commit_phy(hw);
+			ret_val = phy->ops.commit(hw);
 			if (ret_val) {
 				e_dbg("Error committing the PHY changes\n");
 				return ret_val;
@@ -844,10 +844,12 @@ s32 e1000e_copper_link_setup_m88(struct e1000_hw *hw)
 	}
 
 	/* Commit the changes. */
-	ret_val = e1000e_commit_phy(hw);
-	if (ret_val) {
-		e_dbg("Error committing the PHY changes\n");
-		return ret_val;
+	if (phy->ops.commit) {
+		ret_val = phy->ops.commit(hw);
+		if (ret_val) {
+			e_dbg("Error committing the PHY changes\n");
+			return ret_val;
+		}
 	}
 
 	if (phy->type == e1000_phy_82578) {
@@ -1324,9 +1326,11 @@ s32 e1000e_phy_force_speed_duplex_m88(struct e1000_hw *hw)
 		return ret_val;
 
 	/* Reset the phy to commit changes. */
-	ret_val = e1000e_commit_phy(hw);
-	if (ret_val)
-		return ret_val;
+	if (hw->phy.ops.commit) {
+		ret_val = hw->phy.ops.commit(hw);
+		if (ret_val)
+			return ret_val;
+	}
 
 	if (phy->autoneg_wait_to_complete) {
 		e_dbg("Waiting for forced speed/duplex link on M88 phy.\n");
@@ -2772,21 +2776,6 @@ void e1000_power_down_phy_copper(struct e1000_hw *hw)
 }
 
 /**
- *  e1000e_commit_phy - Soft PHY reset
- *  @hw: pointer to the HW structure
- *
- *  Performs a soft PHY reset on those that apply. This is a function pointer
- *  entry point called by drivers.
- **/
-s32 e1000e_commit_phy(struct e1000_hw *hw)
-{
-	if (hw->phy.ops.commit)
-		return hw->phy.ops.commit(hw);
-
-	return 0;
-}
-
-/**
  *  __e1000_read_phy_reg_hv -  Read HV PHY register
  *  @hw: pointer to the HW structure
  *  @offset: register offset to be read
-- 
1.7.11.7

--
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

Powered by blists - more mailing lists

Powered by Openwall GNU/*/Linux Powered by OpenVZ