[PATCH] warning cleanup for drivers_char_mxser.c

drivers/char/mxser.c

@@ -650,7 +650,7 @@ int mxser_init(void)
 		n = (sizeof(mxser_pcibrds) / sizeof(mxser_pcibrds[0])) - 1;
 		index = 0;
 		for (b = 0; b < n; b++) {
-			while (pdev = pci_find_device(mxser_pcibrds[b].vendor, mxser_pcibrds[b].device, pdev)) 
+			while ((pdev = pci_find_device(mxser_pcibrds[b].vendor, mxser_pcibrds[b].device, pdev)))
 			{
 				if (pci_enable_device(pdev))
 					continue;