提交 c877cdce 编写于 作者: D Dan Carpenter 提交者: Chris Wilson

i915: return -EFAULT if copy_to_user fails

copy_to_user() returns the number of bytes remaining to be copied and
I'm pretty sure we want to return a negative error code here.
Signed-off-by: NDan Carpenter <error27@gmail.com>
Signed-off-by: NChris Wilson <chris@chris-wilson.co.uk>
Cc: stable@kernel.org
上级 9927a403
......@@ -3588,6 +3588,7 @@ i915_gem_do_execbuffer(struct drm_device *dev, void *data,
if (ret != 0) {
DRM_ERROR("copy %d cliprects failed: %d\n",
args->num_cliprects, ret);
ret = -EFAULT;
goto pre_mutex_err;
}
}
......
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