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: NSucheta Chakraborty <sucheta.chakraborty@qlogic.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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