netdev - [PATCH 2/9 net-next-2.6] qlcnic: Fix memory leak bug in error path

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Message-ID: <alpine.OSX.2.00.1103301301260.31005@macintosh-2.local>
Date:	Wed, 30 Mar 2011 13:22:00 -0700
From:	Anirban Chakraborty <anirban.chakraborty@...gic.com>
To:	David Miller <davem@...emloft.net>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>
CC:	Dept_NX_Linux_NIC_Driver <Dept_NX_Linux_NIC_Driver@...gic.com>
Subject: [PATCH 2/9 net-next-2.6] qlcnic: Fix memory leak bug in error path

From: Sony Chacko <sony.chacko@...gic.com>

A memory leak exists in the error path of getting PCI info code. Fix it by
going via the memory free path before returning.

Signed-off-by: Sony Chacko <sony.chacko@...gic.com
Signed-off-by: Anirban Chakraborty <anirban.chakraborty@...gic.com>
---
 drivers/net/qlcnic/qlcnic_main.c |    6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diff --git a/drivers/net/qlcnic/qlcnic_main.c b/drivers/net/qlcnic/qlcnic_main.c
index d230fdd..de6f866 100644
--- a/drivers/net/qlcnic/qlcnic_main.c
+++ b/drivers/net/qlcnic/qlcnic_main.c
@@ -464,8 +464,10 @@ qlcnic_init_pci_info(struct qlcnic_adapter *adapter)

        for (i = 0; i < QLCNIC_MAX_PCI_FUNC; i++) {
                pfn = pci_info[i].id;
-               if (pfn > QLCNIC_MAX_PCI_FUNC)
-                       return QL_STATUS_INVALID_PARAM;
+               if (pfn > QLCNIC_MAX_PCI_FUNC) {
+                       ret = QL_STATUS_INVALID_PARAM;
+                       goto err_eswitch;
+               }
                adapter->npars[pfn].active = (u8)pci_info[i].active;
                adapter->npars[pfn].type = (u8)pci_info[i].type;
                adapter->npars[pfn].phy_port = (u8)pci_info[i].default_port;
--
1.6.5.2


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