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/openbmc/linux/drivers/gpu/drm/amd/amdkfd/ |
H A D | kfd_priv.h | 99c7b309 Thu Jun 11 15:11:21 CDT 2020 Lorenz Brun <lorenz@brun.one> drm/amdkfd: Use correct major in devcgroup check
The existing code used the major version number of the DRM driver instead of the device major number of the DRM subsystem for validating access for a devices cgroup.
This meant that accesses allowed by the devices cgroup weren't permitted and certain accesses denied by the devices cgroup were permitted (if they matched the wrong major device number).
Signed-off-by: Lorenz Brun <lorenz@brun.one> Fixes: 6b855f7b83d2f ("drm/amdkfd: Check against device cgroup") Reviewed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org 99c7b309 Thu Jun 11 15:11:21 CDT 2020 Lorenz Brun <lorenz@brun.one> drm/amdkfd: Use correct major in devcgroup check The existing code used the major version number of the DRM driver instead of the device major number of the DRM subsystem for validating access for a devices cgroup. This meant that accesses allowed by the devices cgroup weren't permitted and certain accesses denied by the devices cgroup were permitted (if they matched the wrong major device number). Signed-off-by: Lorenz Brun <lorenz@brun.one> Fixes: 6b855f7b83d2f ("drm/amdkfd: Check against device cgroup") Reviewed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Cc: stable@vger.kernel.org
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