Bug 23274 - Fix null pointer dereference in the sev shutdown process, fix ccp dma channel issues during release them
Summary: Fix null pointer dereference in the sev shutdown process, fix ccp dma channel...
Status: NEW
Alias: None
Product: ANCK 5.10 Dev
Classification: ANCK
Component: drivers (show other bugs) drivers
Version: unspecified
Hardware: All Linux
: P3-Medium S3-normal
Target Milestone: ---
Assignee: GuixinLiu
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Reported: 2025-08-05 21:08 UTC by wojiaohanliyang
Modified: 2025-08-05 21:11 UTC (History)
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Description wojiaohanliyang hygon_group 2025-08-05 21:08:30 UTC 
Description of problem:

Backport the following 3 patches:

- ccb88e9549e7cfd8bcd511c538f437e20026e983 "crypto: ccp - Fix null pointer dereference in __sev_platform_shutdown_locked"

  This fix the null pointer dereference issue in the function __sev_platform_shutdown_locked.

- 68dbe80f5b510c66c800b9e8055235c5b07e37d1 "crypto: ccp - Release dma channels before dmaengine unrgister"
  Fix the release sequences during driver dmaengine deregistration.

- 299bf602b3f92f1456aef59c6413591fb02e762a "crypto: ccp - Failure on re-initialization due to duplicate sysfs filename"

  Fix issue caused by the commit 68dbe80f5b510c66c800b9e8055235c5b07e37d1 "crypto: ccp - Release dma channels before dmaengine unrgister"

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Comment 1 小龙 admin 2025-08-05 21:11:46 UTC 
The PR Link: https://gitee.com/anolis/cloud-kernel/pulls/5579