[PATCH 7/9] user_regset_copyout_zero(): use clear_user()

From: Al Viro
Date: Fri May 29 2020 - 19:27:45 EST


From: Al Viro <viro@xxxxxxxxxxxxxxxxxx>

that's the only caller of __clear_user() in generic code, and it's
not hot enough to bother with skipping access_ok().

Signed-off-by: Al Viro <viro@xxxxxxxxxxxxxxxxxx>
---
include/linux/regset.h | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/linux/regset.h b/include/linux/regset.h
index bf0243779738..46d6ae68c455 100644
--- a/include/linux/regset.h
+++ b/include/linux/regset.h
@@ -320,7 +320,7 @@ static inline int user_regset_copyout_zero(unsigned int *pos,
if (*kbuf) {
memset(*kbuf, 0, copy);
*kbuf += copy;
- } else if (__clear_user(*ubuf, copy))
+ } else if (clear_user(*ubuf, copy))
return -EFAULT;
else
*ubuf += copy;
--
2.11.0