From e9a355a9b407da41b7cb22767f3898d4628411b2 Mon Sep 17 00:00:00 2001
From: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Date: Fri, 19 Jul 2013 16:56:28 -0400
Subject: [PATCH] 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 <sucheta.chakraborty@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
---
drivers/net/ethernet/qlogic/qlcnic/qlcnic.h | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h b/drivers/net/ethernet/qlogic/qlcnic/qlcnic.h
index b00cf5665eabe..f4bb8f5d74538 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,
--
2.30.2