From: Al Viro <viro@zeniv.linux.org.uk>
Date: Tue, 18 Feb 2020 22:30:05 +0000 (-0500)
Subject: user_regset_copyout_zero(): use clear_user()
X-Git-Tag: v5.8-rc1~57^2~2
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=5ea75ae6ae60d13dfa35fd5d2e2a81824cba6662;p=users%2Fjedix%2Flinux-maple.git

user_regset_copyout_zero(): use clear_user()

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@zeniv.linux.org.uk>
---

diff --git a/include/linux/regset.h b/include/linux/regset.h
index bf02437797384..46d6ae68c4550 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;