qlcnic: Fix enviroment variable for udev event generation during FW dump

Driver was not generating the environment variable for the FW dump event correctly.
Fix it by formatting it properly.
Signed-off-by: NAnirban Chakraborty <anirban.chakraborty@qlogic.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>

drivers/net/qlcnic/qlcnic_hw.c

@@ -1773,8 +1773,8 @@ int qlcnic_dump_fw(struct qlcnic_adapter *adapter)
 		goto error;
 	} else {
 		fw_dump->clr = 1;
-		snprintf(mesg, sizeof(mesg), "FW dump for device: %d\n",
-			adapter->pdev->devfn);
+		snprintf(mesg, sizeof(mesg), "FW_DUMP=%s",
+			adapter->netdev->name);
 		dev_info(&adapter->pdev->dev, "Dump data, %d bytes captured\n",
 			fw_dump->size);
 		/* Send a udev event to notify availability of FW dump */