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authorManish Chopra <manish.chopra@qlogic.com>2013-07-19 20:56:30 (GMT)
committerDavid S. Miller <davem@davemloft.net>2013-07-20 00:08:16 (GMT)
commitcab150b5874babb0a3d558c10d28c936fdf6ac69 (patch)
treeeffb9ef8396bfce9152002c60c2b84c0624b6c1c /drivers/net/ethernet/qlogic
parent8dc394af2e6159d3799b1219625db47c42a1964f (diff)
downloadlinux-fsl-qoriq-cab150b5874babb0a3d558c10d28c936fdf6ac69.tar.xz
qlcnic: Fix panic while setting VF's MAC address
o "qlcnic_sriov" structure pointer should be accessed only when SR-IOV is enabled. Access this pointer after SR-IOV PF check. Signed-off-by: Manish Chopra <manish.chopra@qlogic.com> Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/qlogic')
-rw-r--r--drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
index ee0c1d3..b9b88f3 100644
--- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
+++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic_sriov_pf.c
@@ -1621,13 +1621,15 @@ int qlcnic_sriov_set_vf_mac(struct net_device *netdev, int vf, u8 *mac)
{
struct qlcnic_adapter *adapter = netdev_priv(netdev);
struct qlcnic_sriov *sriov = adapter->ahw->sriov;
- int i, num_vfs = sriov->num_vfs;
+ int i, num_vfs;
struct qlcnic_vf_info *vf_info;
u8 *curr_mac;
if (!qlcnic_sriov_pf_check(adapter))
return -EOPNOTSUPP;
+ num_vfs = sriov->num_vfs;
+
if (!is_valid_ether_addr(mac) || vf >= num_vfs)
return -EINVAL;