[RFC][PATCH 2/7] sh: no need of access_ok() in arch_futex_atomic_op_inuser()

Al Viro
2020-03-23T18:51:49Z

From: Al Viro <viro@zeniv.linux.org.uk>

everything it uses is doing access_ok() already

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---
arch/sh/include/asm/futex.h | 3 ---
1 file changed, 3 deletions(-)

diff --git a/arch/sh/include/asm/futex.h b/arch/sh/include/asm/futex.h
index 324fa680b13d..b39cda09fb95 100644
--- a/arch/sh/include/asm/futex.h
+++ b/arch/sh/include/asm/futex.h
@@ -34,9 +34,6 @@ static inline int arch_futex_atomic_op_inuser(int op, u32 oparg, int *oval,
u32 oldval, newval, prev;
int ret;

- if (!access_ok(uaddr, sizeof(u32)))
- return -EFAULT;
-
do {
ret = get_user(oldval, uaddr);

--
2.11.0