tmakin/tegra-linux-noble
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

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

Browse Source 
BugLink: https://bugs.launchpad.net/bugs/2065912

commit f0cf7ffcd02953c72fed5995378805883d16203e upstream.

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

Fixes: 5d7422cfb4 ("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>
Reviewed-by: Jeffrey Hugo <quic_jhugo@quicinc.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240402104929.941186-2-jacek.lawrynowicz@linux.intel.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Signed-off-by: Manuel Diewald <manuel.diewald@canonical.com>
Signed-off-by: Roxana Nicolescu <roxana.nicolescu@canonical.com>
This commit is contained in:
Wachowski, Karol
2024-04-02 12:49:22 +02:00
committed by Stefan Bader
parent c8dacec8d2
commit fcf92878d6
1 changed files with 6 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files
drivers/accel/ivpu/ivpu_ipc.c
+6 -2
View File
@@ -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;