netdev - [PATCH net-next] cxgb4: do not fail vf instatiation in slave mode

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-next>] [day] [month] [year] [list]

Date:   Mon, 14 May 2018 13:24:43 +0530
From:   Ganesh Goudar <ganeshgr@...lsio.com>
To:     netdev@...r.kernel.org, davem@...emloft.net
Cc:     nirranjan@...lsio.com, indranil@...lsio.com, venkatesh@...lsio.com,
        Arjun Vynipadath <arjun@...lsio.com>,
        Casey Leedom <leedom@...lsio.com>,
        Ganesh Goudar <ganeshgr@...lsio.com>
Subject: [PATCH net-next] cxgb4: do not fail vf instatiation in slave mode

From: Arjun Vynipadath <arjun@...lsio.com>

We no longer require a check for cxgb4 to be MASTER
when configuring SRIOV, It was required when we had
module parameter to instantiate vf.

Signed-off-by: Arjun Vynipadath <arjun@...lsio.com>
Signed-off-by: Casey Leedom <leedom@...lsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@...lsio.com>
---
 drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c | 10 +++-------
 1 file changed, 3 insertions(+), 7 deletions(-)

diff --git a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
index c54fd18..4ca828c 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/cxgb4_main.c
@@ -5276,13 +5276,9 @@ static int cxgb4_iov_configure(struct pci_dev *pdev, int num_vfs)
 	u32 pcie_fw;
 
 	pcie_fw = readl(adap->regs + PCIE_FW_A);
-	/* Check if cxgb4 is the MASTER and fw is initialized */
-	if (num_vfs &&
-	    (!(pcie_fw & PCIE_FW_INIT_F) ||
-	    !(pcie_fw & PCIE_FW_MASTER_VLD_F) ||
-	    PCIE_FW_MASTER_G(pcie_fw) != CXGB4_UNIFIED_PF)) {
-		dev_warn(&pdev->dev,
-			 "cxgb4 driver needs to be MASTER to support SRIOV\n");
+	/* Check if fw is initialized */
+	if (!(pcie_fw & PCIE_FW_INIT_F)) {
+		dev_warn(&pdev->dev, "Device not initialized\n");
 		return -EOPNOTSUPP;
 	}
 
-- 
2.1.0