netdev - [PATCH net-next 4/5] be2net: dynamically allocate adapter->vf

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>] [day] [month] [year] [list]

Message-ID: <20110407040830.GA4231@akhaparde-VBox>
Date:	Wed, 6 Apr 2011 23:08:30 -0500
From:	Ajit Khaparde <ajit.khaparde@...lex.com>
To:	<netdev@...r.kernel.org>
Subject: [PATCH net-next 4/5] be2net: dynamically allocate adapter->vf_cfg

Instead of a fixed sized array for vf_cfg, allocate the size dynamically
depending on number of VFs the device supports.

Signed-off-by: Ajit Khaparde <ajit.khaparde@...lex.com>
---
 drivers/net/benet/be.h      |    4 +---
 drivers/net/benet/be_main.c |   14 ++++++++++++--
 2 files changed, 13 insertions(+), 5 deletions(-)

diff --git a/drivers/net/benet/be.h b/drivers/net/benet/be.h
index eba405b..1d976b8 100644
--- a/drivers/net/benet/be.h
+++ b/drivers/net/benet/be.h
@@ -92,8 +92,6 @@ static inline char *nic_name(struct pci_dev *pdev)
 
 #define FW_VER_LEN		32
 
-#define BE_MAX_VF		32
-
 struct be_dma_mem {
 	void *va;
 	dma_addr_t dma;
@@ -336,7 +334,7 @@ struct be_adapter {
 
 	bool be3_native;
 	bool sriov_enabled;
-	struct be_vf_cfg vf_cfg[BE_MAX_VF];
+	struct be_vf_cfg *vf_cfg;
 	u8 is_virtfn;
 	u32 sli_family;
 	u8 hba_port_num;
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index 9d6982a..6a43b26 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -2837,6 +2837,7 @@ static void __devexit be_remove(struct pci_dev *pdev)
 
 	be_ctrl_cleanup(adapter);
 
+	kfree(adapter->vf_cfg);
 	be_sriov_disable(adapter);
 
 	be_msix_disable(adapter);
@@ -3021,16 +3022,23 @@ static int __devinit be_probe(struct pci_dev *pdev,
 	}
 
 	be_sriov_enable(adapter);
+	if (adapter->sriov_enabled) {
+		adapter->vf_cfg = kcalloc(num_vfs,
+			sizeof(struct be_vf_cfg), GFP_KERNEL);
+
+		if (!adapter->vf_cfg)
+			goto free_netdev;
+	}
 
 	status = be_ctrl_init(adapter);
 	if (status)
-		goto free_netdev;
+		goto free_vf_cfg;
 
 	if (lancer_chip(adapter)) {
 		status = lancer_test_and_set_rdy_state(adapter);
 		if (status) {
 			dev_err(&pdev->dev, "Adapter in non recoverable error\n");
-			goto free_netdev;
+			goto ctrl_clean;
 		}
 	}
 
@@ -3092,6 +3100,8 @@ stats_clean:
 	be_stats_cleanup(adapter);
 ctrl_clean:
 	be_ctrl_cleanup(adapter);
+free_vf_cfg:
+	kfree(adapter->vf_cfg);
 free_netdev:
 	be_sriov_disable(adapter);
 	free_netdev(netdev);
-- 
1.7.1

--
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