drm/msm: grab struct_mutex after allocating submit (687f084a) · Commits · 戴 / test

drivers/gpu/drm/msm/msm_gem_submit.c

+5 −8

Original line number	Diff line number	Diff line
		@@ -339,13 +339,11 @@ int msm_ioctl_gem_submit(struct drm_device dev, void data,
		if (args->nr_cmds > MAX_CMDS)
		return -EINVAL;

		mutex_lock(&dev->struct_mutex);

		submit = submit_create(dev, gpu, args->nr_bos);
		if (!submit) {
		ret = -ENOMEM;
		goto out;
		}
		if (!submit)
		return -ENOMEM;

		mutex_lock(&dev->struct_mutex);

		ret = submit_lookup_objects(submit, args, file);
		if (ret)
		@@ -420,7 +418,6 @@ int msm_ioctl_gem_submit(struct drm_device dev, void data,
		args->fence = submit->fence;

		out:
		if (submit)
		submit_cleanup(submit, !!ret);
		mutex_unlock(&dev->struct_mutex);
		return ret;