Messages in this thread Patch in this message | | | From | Al Viro <> | Subject | [RFC][PATCH v2 7/8] generic arch_futex_atomic_op_inuser() doesn't need access_ok() | Date | Fri, 27 Mar 2020 02:28:35 +0000 |
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From: Al Viro <viro@zeniv.linux.org.uk>
uses get_user() and put_user() for memory accesses
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk> --- include/asm-generic/futex.h | 2 -- 1 file changed, 2 deletions(-)
diff --git a/include/asm-generic/futex.h b/include/asm-generic/futex.h index 3eab7ba912fc..f4c3470480c7 100644 --- a/include/asm-generic/futex.h +++ b/include/asm-generic/futex.h @@ -33,8 +33,6 @@ arch_futex_atomic_op_inuser(int op, u32 oparg, int *oval, u32 __user *uaddr) int oldval, ret; u32 tmp; - if (!access_ok(uaddr, sizeof(u32))) - return -EFAULT; preempt_disable(); ret = -EFAULT; -- 2.11.0
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