staging: silicom: remove redundant pci_get_drvdata() call

The pci_get_drvdata() and checking NULL for dev are
called twice in while loop in is_bypass_dev().
Signed-off-by: Daeseok Youn <daeseok.youn@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/silicom/bypasslib/bypass.c

@@ -148,8 +148,6 @@ static int is_bypass_dev(int if_index)
 	int data = 0;
 
 	while ((pdev = pci_get_class(PCI_CLASS_NETWORK_ETHERNET << 8, pdev))) {
-		dev = pci_get_drvdata(pdev);
-		if (dev != NULL) {
 		dev = pci_get_drvdata(pdev);
 		if ((dev != NULL) && (dev->ifindex == if_index)) {
 			if ((pdev->vendor == SILICOM_VID) &&
@@ -169,9 +167,7 @@ static int is_bypass_dev(int if_index)
 					info.cmd = ETHTOOL_GDRVINFO;
 					ops->get_drvinfo(dev, &info);
 					for (; bp_desc_array[k]; k++)
-							if (!
-							    (strcmp
-							     (bp_desc_array[k],
+						if (!(strcmp(bp_desc_array[k],
 							     info.driver)))
 							goto send_cmd;
 
@@ -182,7 +178,6 @@ static int is_bypass_dev(int if_index)
 			return -1;
 		}
 	}
-	}
  send_cmd:
 	ret = do_cmd(dev, &ifr, IS_BYPASS, &data);
 	return ret < 0 ? -1 : ret;