x86: coding style fixes to arch/x86/kernel/sys_x86_64.c

Fix all errors and many warnings reported by checkpatch.pl
without change sys_x86_64.o

arch/x86/kernel/sys_x86_64.o:
text    data     bss     dec     hex filename
1567       0       0    1567     61f sys_x86_64.o.after
1567       0       0    1567     61f sys_x86_64.o.before
md5:
de28ffedcb5851dfd7ec87a03afec1fd  sys_x86_64.o.after
de28ffedcb5851dfd7ec87a03afec1fd  sys_x86_64.o.before
Signed-off-by: Gustavo F. Padovan <gustavo@las.ic.unicamp.br>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

arch/x86/kernel/sys_x86_64.c

@@ -13,15 +13,16 @@
 #include <linux/utsname.h>
 #include <linux/personality.h>
 #include <linux/random.h>
+#include <linux/uaccess.h>
 
-#include <asm/uaccess.h>
 #include <asm/ia32.h>
 
-asmlinkage long sys_mmap(unsigned long addr, unsigned long len, unsigned long prot, unsigned long flags,
+asmlinkage long sys_mmap(unsigned long addr, unsigned long len,
+		unsigned long prot, unsigned long flags,
 		unsigned long fd, unsigned long off)
 {
 	long error;
-	struct file * file;
+	struct file *file;
 
 	error = -EINVAL;
 	if (off & ~PAGE_MASK)
@@ -177,7 +178,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
 		vma = find_vma(mm, addr-len);
 		if (!vma || addr <= vma->vm_start)
 			/* remember the address as a hint for next time */
-			return (mm->free_area_cache = addr-len);
+			return mm->free_area_cache = addr-len;
 	}
 
 	if (mm->mmap_base < len)
@@ -194,7 +195,7 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
 		vma = find_vma(mm, addr);
 		if (!vma || addr+len <= vma->vm_start)
 			/* remember the address as a hint for next time */
-			return (mm->free_area_cache = addr);
+			return mm->free_area_cache = addr;
 
 		/* remember the largest hole we saw so far */
 		if (addr + mm->cached_hole_size < vma->vm_start)
@@ -224,11 +225,11 @@ arch_get_unmapped_area_topdown(struct file *filp, const unsigned long addr0,
 }
 
 
-asmlinkage long sys_uname(struct new_utsname __user * name)
+asmlinkage long sys_uname(struct new_utsname __user *name)
 {
 	int err;
 	down_read(&uts_sem);
-	err = copy_to_user(name, utsname(), sizeof (*name));
+	err = copy_to_user(name, utsname(), sizeof(*name));
 	up_read(&uts_sem);
 	if (personality(current->personality) == PER_LINUX32)
 		err |= copy_to_user(&name->machine, "i686", 5);