i915:get_engines(): get rid of pointless access_ok()

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

diff --git a/drivers/gpu/drm/i915/gem/i915_gem_context.c b/drivers/gpu/drm/i915/gem/i915_gem_context.c
index 68326ad..55cb6db 100644 (file)
--- a/drivers/gpu/drm/i915/gem/i915_gem_context.c
+++ b/drivers/gpu/drm/i915/gem/i915_gem_context.c
@@ -1924,11 +1924,6 @@ get_engines(struct i915_gem_context *ctx,
        }
 
        user = u64_to_user_ptr(args->value);
-       if (!access_ok(user, size)) {
-               err = -EFAULT;
-               goto err_free;
-       }
-
        if (put_user(0, &user->extensions)) {
                err = -EFAULT;
                goto err_free;