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mirror_ubuntu-kernels/drivers/gpu/drm/hyperv
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Mohammed Gamal e048834c20 drm/hyperv: Fix device removal on Gen1 VMs 
The Hyper-V DRM driver tries to free MMIO region on removing
the device regardless of VM type, while Gen1 VMs don't use MMIO
and hence causing the kernel to crash on a NULL pointer dereference.

Fix this by making deallocating MMIO only on Gen2 machines and implement
removal for Gen1

Fixes: 76c56a5aff ("drm/hyperv: Add DRM driver for hyperv synthetic video device")

Signed-off-by: Mohammed Gamal <mgamal@redhat.com>
Reviewed-by: Deepak Rawat <drawat.floss@gmail.com>
Signed-off-by: Deepak Rawat <drawat.floss@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20211119112900.300537-1-mgamal@redhat.com
2021-11-23 10:56:12 -08:00
..
hyperv_drm_drv.c drm/hyperv: Fix device removal on Gen1 VMs 2021-11-23 10:56:12 -08:00
hyperv_drm_modeset.c drm/hyperv: Fix double mouse pointers 2021-10-15 15:04:44 +10:00
hyperv_drm_proto.c drm/hyperv: Fix double mouse pointers 2021-10-15 15:04:44 +10:00
hyperv_drm.h drm/hyperv: Fix double mouse pointers 2021-10-15 15:04:44 +10:00
Makefile