[7/9] user_regset_copyout_zero(): use clear_user()
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Message ID 20200529232723.44942-7-viro@ZenIV.linux.org.uk
State New
Headers show
Series
  • [1/9] pselect6() and friends: take handling the combined 6th/7th args into helper
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Commit Message

Al Viro May 29, 2020, 11:27 p.m. UTC
From: Al Viro <viro@zeniv.linux.org.uk>

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>
---
 include/linux/regset.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

Patch
diff mbox series

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;