Linux kernel bug fix: drm/shmem: Do dma_unmap_sg before purging pages
Subsystem: gpu (drivers/gpu/drm/drm_gem_shmem_helper.c)
Bug type: crash, severity: high
Files changed: drivers/gpu/drm/drm_gem_shmem_helper.c
Introduced by Rob Herring on 2019-08-08 15:54:10 -0600; fixed by Rob Herring on 2019-08-23 11:54:40 -0500 (lifetime: 14 days)