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

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
mariux64 · May 2, 2020 · 7b3f0c4 · 7b3f0c4
1 parent 598caf1
commit 7b3f0c4
Showing 1 changed file with 0 additions and 5 deletions.
diff --git 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;