From: Sucheta Chakraborty Date: Fri, 19 Jul 2013 20:56:28 +0000 (-0400) Subject: qlcnic: Fix NULL pointer dereference in VF probe path. X-Git-Tag: accepted/tizen/common/20141203.182822~1767^2~48 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=e9a355a9b407da41b7cb22767f3898d4628411b2;p=platform%2Fkernel%2Flinux-arm64.git qlcnic: Fix NULL pointer dereference in VF probe path. o Check for non-NULL set_mac_filter_count function pointer before calling it fixes the panic. This patch fixes regression introduced by patch "qlcnic: Secondary unicast MAC address support." with commit id 168e4fb54c11865668ad50eff81b5f2729e0e0f4. Signed-off-by: Sucheta Chakraborty Signed-off-by: David S. Miller --- diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h index b00cf56..f4bb8f5 100644 --- a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h +++ b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h @@ -1869,7 +1869,8 @@ static inline void qlcnic_free_mac_list(struct qlcnic_adapter *adapter) static inline void qlcnic_set_mac_filter_count(struct qlcnic_adapter *adapter) { - adapter->ahw->hw_ops->set_mac_filter_count(adapter); + if (adapter->ahw->hw_ops->set_mac_filter_count) + adapter->ahw->hw_ops->set_mac_filter_count(adapter); } static inline void qlcnic_dev_request_reset(struct qlcnic_adapter *adapter,