[PATCH 4.15 121/128] Fix misannotated out-of-line _copy_to_user()

[Greg Kroah-Hartman]

4.15-stable review patch.  If anyone has any objections, please let me know.

------------------

From: Christophe Leroy <christophe.leroy@xxxxxx>


[ Upstream commit a0e94598e6b6c0d1df6a5fa14eb7c767ca817a20 ]

Destination is a kernel pointer and source - a userland one
in _copy_from_user(); _copy_to_user() is the other way round.

Fixes: d597580d37377 ("generic ...copy_..._user primitives")
Signed-off-by: Christophe Leroy <christophe.leroy@xxxxxx>
Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
Signed-off-by: Sasha Levin <alexander.levin@xxxxxxxxxxxxx>
Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 lib/usercopy.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- a/lib/usercopy.c
+++ b/lib/usercopy.c
@@ -20,7 +20,7 @@ EXPORT_SYMBOL(_copy_from_user);
 #endif
 
 #ifndef INLINE_COPY_TO_USER
-unsigned long _copy_to_user(void *to, const void __user *from, unsigned long n)
+unsigned long _copy_to_user(void __user *to, const void *from, unsigned long n)
 {
 	might_fault();
 	if (likely(access_ok(VERIFY_WRITE, to, n))) {