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Fix misannotated out-of-line _copy_to_user()

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

Fixes: d597580d37 ("generic ...copy_..._user primitives")
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
This commit is contained in:
Christophe Leroy 2017-12-09 17:24:24 +01:00 committed by Al Viro
parent 9c5650359a
commit a0e94598e6
1 changed files with 1 additions and 1 deletions
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2
lib/usercopy.c
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@ -20,7 +20,7 @@ EXPORT_SYMBOL(_copy_from_user);
#endif #endif
#ifndef INLINE_COPY_TO_USER #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(); might_fault();
if (likely(access_ok(VERIFY_WRITE, to, n))) { if (likely(access_ok(VERIFY_WRITE, to, n))) {