Merge branch 'linus_origin' into hotfixes

1 files changed, 29 insertions, 0 deletions

diff --git a/include/asm-sh/uaccess.h b/include/asm-sh/uaccess.h
index ff24ce95b23..b3440c305b5 100644
--- a/include/asm-sh/uaccess.h
+++ b/include/asm-sh/uaccess.h
@@ -1,5 +1,34 @@
+#ifndef __ASM_SH_UACCESS_H
+#define __ASM_SH_UACCESS_H
+
 #ifdef CONFIG_SUPERH32
 # include "uaccess_32.h"
 #else
 # include "uaccess_64.h"
 #endif
+
+static inline unsigned long
+copy_from_user(void *to, const void __user *from, unsigned long n)
+{
+	unsigned long __copy_from = (unsigned long) from;
+	__kernel_size_t __copy_size = (__kernel_size_t) n;
+
+	if (__copy_size && __access_ok(__copy_from, __copy_size))
+		return __copy_user(to, from, __copy_size);
+
+	return __copy_size;
+}
+
+static inline unsigned long
+copy_to_user(void __user *to, const void *from, unsigned long n)
+{
+	unsigned long __copy_to = (unsigned long) to;
+	__kernel_size_t __copy_size = (__kernel_size_t) n;
+
+	if (__copy_size && __access_ok(__copy_to, __copy_size))
+		return __copy_user(to, from, __copy_size);
+
+	return __copy_size;
+}
+
+#endif /* __ASM_SH_UACCESS_H */