iommu/amd: Do not call sleep while holding spinlock

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Smatch static checker warns:
	drivers/iommu/amd/iommu_v2.c:133 free_device_state()
	warn: sleeping in atomic context

Fixes by storing the list of struct device_state in a temporary
list, and then free the memory after releasing the spinlock.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 9f968fc70d ("iommu/amd: Improve amd_iommu_v2_exit()")
Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
Link: https://lore.kernel.org/r/20220314024321.37411-1-suravee.suthikulpanit@amd.com
Signed-off-by: Joerg Roedel <jroedel@suse.de>

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Suravee Suthikulpanit 2022-03-13 21:43:21 -05:00 • committed by Joerg Roedel

parent af2d861d4c

commit 5edde870d3

1 changed files with 11 additions and 1 deletions

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drivers/iommu/amd/iommu_v2.c

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