Fix whitespace and other style issues reported by checkpatch.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>


--- a/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
+++ b/lib/librte_eal/linuxapp/igb_uio/igb_uio.c
@@ -1,23 +1,23 @@
 /*-
  * GPL LICENSE SUMMARY
- * 
+ *
  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
- * 
+ *
  *   This program is free software; you can redistribute it and/or modify
  *   it under the terms of version 2 of the GNU General Public License as
  *   published by the Free Software Foundation.
- * 
+ *
  *   This program is distributed in the hope that it will be useful, but
  *   WITHOUT ANY WARRANTY; without even the implied warranty of
  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  *   General Public License for more details.
- * 
+ *
  *   You should have received a copy of the GNU General Public License
  *   along with this program; if not, write to the Free Software
  *   Foundation, Inc., 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  *   The full GNU General Public License is included in this distribution
  *   in the file called LICENSE.GPL.
- * 
+ *
  *   Contact Information:
  *   Intel Corporation
  */
@@ -32,7 +32,7 @@
 #include <linux/msi.h>
 #include <linux/version.h>
 
-#ifdef CONFIG_XEN_DOM0 
+#ifdef CONFIG_XEN_DOM0
 #include <xen/xen.h>
 #endif
 
@@ -71,7 +71,7 @@
 		msix_entries[IGBUIO_NUM_MSI_VECTORS]; /* pointer to the msix vectors to be allocated later */
 };
 
-static char *intr_mode = NULL;
+static char *intr_mode;
 static enum igbuio_intr_mode igbuio_intr_mode_preferred = IGBUIO_MSIX_INTR_MODE;
 
 /* PCI device id table */
@@ -109,11 +109,11 @@
 		u16 total;
 		u16 initial;
 		u16 nr_virtfn;
-	} *iov = (struct iov*)dev->sriov;
+	} *iov = (struct iov *)dev->sriov;
 
 	if (!dev->is_physfn)
 		return 0;
-	
+
 	return iov->nr_virtfn;
 #else
 	return pci_num_vf(dev);
@@ -146,13 +146,13 @@
 	else /* do nothing if change max_vfs number */
 		err = -EINVAL;
 
-	return err ? err : count;							
+	return err ? err : count;
 }
 
 static DEVICE_ATTR(max_vfs, S_IRUGO | S_IWUSR, show_max_vfs, store_max_vfs);
 static struct attribute *dev_attrs[] = {
 	&dev_attr_max_vfs.attr,
-        NULL,
+	NULL,
 };
 
 static const struct attribute_group dev_attr_grp = {
@@ -338,7 +338,7 @@
 }
 
 /**
- * This is uio device mmap method which will use igbuio mmap for Xen 
+ * This is uio device mmap method which will use igbuio mmap for Xen
  * Dom0 enviroment.
  */
 static int
@@ -346,9 +346,9 @@
 {
 	int idx;
 
-	if (vma->vm_pgoff >= MAX_UIO_MAPS) 
+	if (vma->vm_pgoff >= MAX_UIO_MAPS)
 		return -EINVAL;
-	if(info->mem[vma->vm_pgoff].size == 0)
+	if (info->mem[vma->vm_pgoff].size == 0)
 		return  -EINVAL;
 
 	idx = (int)vma->vm_pgoff;
@@ -360,7 +360,7 @@
 	default:
 		return -EINVAL;
 	}
-}       
+}
 #endif
 
 /* Remap pci resources described by bar #pci_bar in uio resource n. */
@@ -371,8 +371,8 @@
 	unsigned long addr, len;
 	void *internal_addr;
 
-	if (sizeof(info->mem) / sizeof (info->mem[0]) <= n)  
-		return (EINVAL);
+	if (sizeof(info->mem) / sizeof(info->mem[0]) <= n)
+		return -EINVAL;
 
 	addr = pci_resource_start(dev, pci_bar);
 	len = pci_resource_len(dev, pci_bar);
@@ -396,20 +396,20 @@
 {
 	unsigned long addr, len;
 
-	if (sizeof(info->port) / sizeof (info->port[0]) <= n)  
-		return (EINVAL);
+	if (sizeof(info->port) / sizeof(info->port[0]) <= n)
+		return -EINVAL;
 
 	addr = pci_resource_start(dev, pci_bar);
 	len = pci_resource_len(dev, pci_bar);
 	if (addr == 0 || len == 0)
-		return (-1);
+		return -1;
 
 	info->port[n].name = name;
 	info->port[n].start = addr;
 	info->port[n].size = len;
 	info->port[n].porttype = UIO_PORT_X86;
 
-	return (0);
+	return 0;
 }
 
 /* Unmap previously ioremap'd resources */
@@ -445,14 +445,18 @@
 				pci_resource_start(dev, i) != 0) {
 			flags = pci_resource_flags(dev, i);
 			if (flags & IORESOURCE_MEM) {
-				if ((ret = igbuio_pci_setup_iomem(dev, info,
-						iom, i, bar_names[i])) != 0)
-					return (ret);
+				ret = igbuio_pci_setup_iomem(dev, info,
+							     iom, i,
+							     bar_names[i]);
+				if (ret != 0)
+					return ret;
 				iom++;
 			} else if (flags & IORESOURCE_IO) {
-				if ((ret = igbuio_pci_setup_ioport(dev, info,
-						iop, i, bar_names[i])) != 0)
-					return (ret);
+				ret = igbuio_pci_setup_ioport(dev, info,
+							      iop, i,
+							      bar_names[i]);
+				if (ret != 0)
+					return ret;
 				iop++;
 			}
 		}