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(parent: 6ec7835) | patch
drm/amdkfd: fix double free device pgmap resource
authorPhilip Yang <Philip.Yang@amd.com>
Mon, 26 Apr 2021 18:25:37 +0000 (14:25 -0400)
committerAlex Deucher <alexander.deucher@amd.com>
Thu, 29 Apr 2021 03:36:04 +0000 (23:36 -0400)
commit0124fd6fdd822943e9446bca57f56de269f5406d
tree09e510743c990c6f0a01649482439a38ba0ed496tree | snapshot
parent6ec7835ea530f61f301c54026c7a0227920b2e97commit | diff
drm/amdkfd: fix double free device pgmap resource

Use devm_memunmap_pages instead of memunmap_pages to release pgmap
and remove pgmap from device action, to avoid double free pgmap when
unloading driver module.

Release device memory region if failed to create device memory pages
structure.

Signed-off-by: Philip Yang <Philip.Yang@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
drivers/gpu/drm/amd/amdkfd/kfd_migrate.c diff | blob | history
Linux Kernel Source Tree.