netdev - [PATCH net 1/4] rtase: Refactor the rtase_check_mac_version

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: <20241114111443.375649-2-justinlai0215@realtek.com>
Date: Thu, 14 Nov 2024 19:14:40 +0800
From: Justin Lai <justinlai0215@...ltek.com>
To: <kuba@...nel.org>
CC: <davem@...emloft.net>, <edumazet@...gle.com>, <pabeni@...hat.com>,
        <andrew+netdev@...n.ch>, <linux-kernel@...r.kernel.org>,
        <netdev@...r.kernel.org>, <horms@...nel.org>, <pkshih@...ltek.com>,
        <larry.chiu@...ltek.com>, Justin Lai <justinlai0215@...ltek.com>
Subject: [PATCH net 1/4] rtase: Refactor the rtase_check_mac_version_valid() function

1. Sets tp->hw_ver.
2. Changes the return type from bool to int.

Signed-off-by: Justin Lai <justinlai0215@...ltek.com>
---
 drivers/net/ethernet/realtek/rtase/rtase.h    |  2 ++
 .../net/ethernet/realtek/rtase/rtase_main.c   | 21 +++++++++++--------
 2 files changed, 14 insertions(+), 9 deletions(-)

diff --git a/drivers/net/ethernet/realtek/rtase/rtase.h b/drivers/net/ethernet/realtek/rtase/rtase.h
index 583c33930f88..547c71937b01 100644
--- a/drivers/net/ethernet/realtek/rtase/rtase.h
+++ b/drivers/net/ethernet/realtek/rtase/rtase.h
@@ -327,6 +327,8 @@ struct rtase_private {
 	u16 int_nums;
 	u16 tx_int_mit;
 	u16 rx_int_mit;
+
+	u32 hw_ver;
 };
 
 #define RTASE_LSO_64K 64000
diff --git a/drivers/net/ethernet/realtek/rtase/rtase_main.c b/drivers/net/ethernet/realtek/rtase/rtase_main.c
index f8777b7663d3..33808afd588d 100644
--- a/drivers/net/ethernet/realtek/rtase/rtase_main.c
+++ b/drivers/net/ethernet/realtek/rtase/rtase_main.c
@@ -1972,20 +1972,21 @@ static void rtase_init_software_variable(struct pci_dev *pdev,
 	tp->dev->max_mtu = RTASE_MAX_JUMBO_SIZE;
 }
 
-static bool rtase_check_mac_version_valid(struct rtase_private *tp)
+static int rtase_check_mac_version_valid(struct rtase_private *tp)
 {
-	u32 hw_ver = rtase_r32(tp, RTASE_TX_CONFIG_0) & RTASE_HW_VER_MASK;
-	bool known_ver = false;
+	int ret = -ENODEV;
 
-	switch (hw_ver) {
+	tp->hw_ver = rtase_r32(tp, RTASE_TX_CONFIG_0) & RTASE_HW_VER_MASK;
+
+	switch (tp->hw_ver) {
 	case 0x00800000:
 	case 0x04000000:
 	case 0x04800000:
-		known_ver = true;
+		ret = 0;
 		break;
 	}
 
-	return known_ver;
+	return ret;
 }
 
 static int rtase_init_board(struct pci_dev *pdev, struct net_device **dev_out,
@@ -2105,9 +2106,11 @@ static int rtase_init_one(struct pci_dev *pdev,
 	tp->pdev = pdev;
 
 	/* identify chip attached to board */
-	if (!rtase_check_mac_version_valid(tp))
-		return dev_err_probe(&pdev->dev, -ENODEV,
-				     "unknown chip version, contact rtase maintainers (see MAINTAINERS file)\n");
+	ret = rtase_check_mac_version_valid(tp);
+	if (ret != 0) {
+		dev_err(&pdev->dev,
+			"unknown chip version, contact rtase maintainers (see MAINTAINERS file)\n");
+	}
 
 	rtase_init_software_variable(pdev, tp);
 	rtase_init_hardware(tp);
-- 
2.34.1