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authorAl Viro <viro@zeniv.linux.org.uk>2020-02-16 10:26:50 -0500
committerAl Viro <viro@zeniv.linux.org.uk>2020-03-27 23:58:52 -0400
commitdc88588990945b14d6f7ed45b70ef7b1814a5f3e (patch)
tree42b15a4e4701017e11aa2ad9d997ee419828fd18 /arch/s390/include
parentsh: no need of access_ok() in arch_futex_atomic_op_inuser() (diff)
downloadlinux-dev-dc88588990945b14d6f7ed45b70ef7b1814a5f3e.tar.xz
linux-dev-dc88588990945b14d6f7ed45b70ef7b1814a5f3e.zip
[parisc, s390, sparc64] no need for access_ok() in futex handling
access_ok() is always true on those Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Diffstat (limited to 'arch/s390/include')
-rw-r--r--arch/s390/include/asm/futex.h2
1 files changed, 0 insertions, 2 deletions
diff --git a/arch/s390/include/asm/futex.h b/arch/s390/include/asm/futex.h
index ed965c3ecd5b..26f9144562c9 100644
--- a/arch/s390/include/asm/futex.h
+++ b/arch/s390/include/asm/futex.h
@@ -28,8 +28,6 @@ static inline int arch_futex_atomic_op_inuser(int op, int oparg, int *oval,
int oldval = 0, newval, ret;
mm_segment_t old_fs;
- if (!access_ok(uaddr, sizeof(u32)))
- return -EFAULT;
old_fs = enable_sacf_uaccess();
switch (op) {
case FUTEX_OP_SET: