Commit f0cf7ffc authored by Wachowski, Karol's avatar Wachowski, Karol Committed by Jacek Lawrynowicz
Browse files

accel/ivpu: Check return code of ipc->lock init 



Return value of drmm_mutex_init(ipc->lock) was unchecked.

Fixes: 5d7422cf ("accel/ivpu: Add IPC driver and JSM messages")
Cc: <stable@vger.kernel.org> # v6.3+
Signed-off-by: default avatarWachowski, Karol <karol.wachowski@intel.com>
Signed-off-by: default avatarJacek Lawrynowicz <jacek.lawrynowicz@linux.intel.com>
Reviewed-by: default avatarJeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240402104929.941186-2-jacek.lawrynowicz@linux.intel.com
parent 185fdb46

drivers/accel/ivpu/ivpu_ipc.c

+6 −2
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-only

/*

 * Copyright (C) 2020-2023 Intel Corporation

 * Copyright (C) 2020-2024 Intel Corporation

 */



#include <linux/genalloc.h>
@@ -501,7 +501,11 @@ int ivpu_ipc_init(struct ivpu_device *vdev) 
	spin_lock_init(&ipc->cons_lock);

	INIT_LIST_HEAD(&ipc->cons_list);

	INIT_LIST_HEAD(&ipc->cb_msg_list);

	drmm_mutex_init(&vdev->drm, &ipc->lock);

	ret = drmm_mutex_init(&vdev->drm, &ipc->lock);

	if (ret) {

		ivpu_err(vdev, "Failed to initialize ipc->lock, ret %d\n", ret);

		goto err_free_rx;

	}

	ivpu_ipc_reset(vdev);

	return 0;