qlcnic: check device class

pci-func class can be other than ethernet in Qlogic CNA device.

Signed-off-by: Sucheta Chakraborty <sucheta.chakraborty@qlogic.com>
Signed-off-by: Amit Kumar Salecha <amit.salecha@qlogic.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 15 insertions, 1 deletions

diff --git a/drivers/net/qlcnic/qlcnic_init.c b/drivers/net/qlcnic/qlcnic_init.c
index c4bef57b9cd0..77bfdaba83e8 100644
--- a/drivers/net/qlcnic/qlcnic_init.c
+++ b/drivers/net/qlcnic/qlcnic_init.c
@@ -514,10 +514,22 @@ int qlcnic_pinit_from_rom(struct qlcnic_adapter *adapter)
         return 0;
 }
 
-void
+int
 qlcnic_setup_idc_param(struct qlcnic_adapter *adapter) {
 
         int timeo;
+        u32 val;
+
+        val = QLCRD32(adapter, QLCNIC_CRB_DEV_PARTITION_INFO);
+        val = (val >> (adapter->portnum * 4)) & 0xf;
+
+        if ((val & 0x3) != 1) {
+                dev_err(&adapter->pdev->dev, "Not an Ethernet NIC func=%u\n",
+                                                                        val);
+                return -EIO;
+        }
+
+        adapter->physical_port = (val >> 2);
 
         if (qlcnic_rom_fast_read(adapter, QLCNIC_ROM_DEV_INIT_TIMEOUT, &timeo))
                 timeo = 30;
@@ -528,6 +540,8 @@ qlcnic_setup_idc_param(struct qlcnic_adapter *adapter) {
                 timeo = 10;
 
         adapter->reset_ack_timeo = timeo;
+
+        return 0;
 }
 
 static int