samsung-sm8650/android_kernel_samsung_sm8650-modules
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qrng: fix module remove sequence

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Module remove call is not cleaning up char dev completely.

Update remove call sequence to call class_destroy, device_destroy
and cdev_del to clean up char dev complexly.

Change-Id: I07f28c27ac0ca78cb8223118bd0be3b3a5654224
Signed-off-by: Om Prakash Singh <quic_omprsing@quicinc.com>
This commit is contained in:
Om Prakash Singh
2023-09-10 21:14:02 +05:30
parent dc7a556fa0
commit d374955003
1 changed files with 4 additions and 1 deletions
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5
qrng/msm_rng.c
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@@ -2,7 +2,7 @@
/*
* Copyright (c) 2011-2013, 2015, 2017-2021 The Linux Foundation. All rights
* reserved.
* Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
* Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All rights reserved.
*/
#include <linux/kernel.h>
#include <linux/module.h>
@@ -367,6 +367,9 @@ static int msm_rng_remove(struct platform_device *pdev)
{
struct msm_rng_device *msm_rng_dev = platform_get_drvdata(pdev);
cdev_del(&msm_rng_cdev);
device_destroy(msm_rng_class, MKDEV(QRNG_IOC_MAGIC, 0));
class_destroy(msm_rng_class);
unregister_chrdev(QRNG_IOC_MAGIC, DRIVER_NAME);
hwrng_unregister(&msm_rng);
if (msm_rng_dev->prng_clk)