[PARISC] sparse fixes

0/NULL, missing __user, missing __iomem, non-ANSI prototype.

Signed-off-by: Matthew Wilcox <willy@parisc-linux.org>
Signed-off-by: Kyle McMartin <kyle@parisc-linux.org>
diff --git a/arch/parisc/oprofile/init.c b/arch/parisc/oprofile/init.c
index a5b898c..113f513 100644
--- a/arch/parisc/oprofile/init.c
+++ b/arch/parisc/oprofile/init.c
@@ -18,6 +18,6 @@
 }
 
 
-void oprofile_arch_exit()
+void oprofile_arch_exit(void)
 {
 }