From: "Wachowski, Karol" karol.wachowski@intel.com
Return value of drmm_mutex_init(ipc->lock) was unchecked.
Fixes: 5d7422cfb498 ("accel/ivpu: Add IPC driver and JSM messages") Cc: stable@vger.kernel.org # v6.3+ Signed-off-by: Wachowski, Karol karol.wachowski@intel.com Signed-off-by: Jacek Lawrynowicz jacek.lawrynowicz@linux.intel.com --- drivers/accel/ivpu/ivpu_ipc.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/drivers/accel/ivpu/ivpu_ipc.c b/drivers/accel/ivpu/ivpu_ipc.c index 04ac4b9840fb..56ff067f63e2 100644 --- a/drivers/accel/ivpu/ivpu_ipc.c +++ b/drivers/accel/ivpu/ivpu_ipc.c @@ -1,6 +1,6 @@ // 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;