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rtcpu: capture-ivc: add NULL check in tx

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Check backpointer for NULL.

CID 10160552

Bug 3745813
Bug 3597603

Signed-off-by: Pekka Pessi <ppessi@nvidia.com>
Change-Id: Id653d7b5521d47d3c2f808ee2576eecda3c19a1f
Reviewed-on: https://git-master.nvidia.com/r/c/linux-nv-oot/+/2844423
Reviewed-by: svcacv <svcacv@nvidia.com>
Reviewed-by: Semi Malinen <smalinen@nvidia.com>
Reviewed-by: Sachin Nikam <snikam@nvidia.com>
GVS: Gerrit_Virtual_Submit <buildbot_gerritrpt@nvidia.com>
This commit is contained in:
Pekka Pessi
2022-10-10 12:56:59 +03:00
committed by mobile promotions
parent 8a5f2dc62b
commit 942cfaa0ce
1 changed files with 2 additions and 2 deletions
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4
drivers/platform/tegra/rtcpu/capture-ivc.c
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@@ -1,5 +1,5 @@
// SPDX-License-Identifier: GPL-2.0
// Copyright (c) 2022, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
// Copyright (c) 2022-2023, NVIDIA CORPORATION & AFFILIATES. All rights reserved.
#include <linux/tegra-capture-ivc.h>
@@ -29,7 +29,7 @@ static int tegra_capture_ivc_tx_(struct tegra_capture_ivc *civc,
return -ENODEV;
chan = civc->chan;
if (WARN_ON(!chan->is_ready))
if (chan == NULL || WARN_ON(!chan->is_ready))
return -EIO;
ret = mutex_lock_interruptible(&civc->ivc_wr_lock);