diff options
| author | Manish Chopra <manish.chopra@qlogic.com> | 2013-07-19 16:56:30 -0400 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2013-07-19 17:08:16 -0700 |
| commit | cab150b5874babb0a3d558c10d28c936fdf6ac69 (patch) | |
| tree | effb9ef8396bfce9152002c60c2b84c0624b6c1c /drivers/net/ethernet/qlogic | |
| parent | 8dc394af2e6159d3799b1219625db47c42a1964f (diff) | |
| download | linux-cab150b5874babb0a3d558c10d28c936fdf6ac69.tar.bz2 | |
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.c | 4 |
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 ee0c1d307966..b9b88f3a7b51 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; |