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authorChristophe Leroy <christophe.leroy@c-s.fr>2017-12-09 17:24:24 +0100
committerAl Viro <viro@zeniv.linux.org.uk>2017-12-11 09:35:11 -0500
commita0e94598e6b6c0d1df6a5fa14eb7c767ca817a20 (patch)
treea1f8c8b9d4314f0770478bcd610f6b1f399a6505 /lib/usercopy.c
parent9c5650359a1e7fc21e191fdc087f31154ce27ae2 (diff)
downloadlinux-a0e94598e6b6c0d1df6a5fa14eb7c767ca817a20.tar.bz2
Fix misannotated out-of-line _copy_to_user()
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@c-s.fr> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'lib/usercopy.c')
-rw-r--r--lib/usercopy.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/usercopy.c b/lib/usercopy.c
index 15e2e6fb060e..3744b2a8e591 100644
--- 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))) {