diff options
| author | Yong Zhao <Yong.Zhao@amd.com> | 2019-09-18 18:17:57 -0400 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2019-10-03 09:11:01 -0500 |
| commit | c637b36aeac11685a8258f9bcd667dcc06f6951a (patch) | |
| tree | fb7927907e07fd4bef072eb10c33a1bbe132bd72 /drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | |
| parent | 424b5442a2a67ba369839455c3b1fb1b00c6d861 (diff) | |
drm/amdkfd: Fix NULL pointer dereference for set_scratch_backing_va()
Currently this function pointer is missing for GFX10. Considering it is
a void function since GFX9, fix it by checking the function pointer
before dereferencing it.
Signed-off-by: Yong Zhao <Yong.Zhao@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdkfd/kfd_chardev.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdkfd/kfd_chardev.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c index 26b15cc56c31..d7aca120e5b2 100644 --- a/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c +++ b/drivers/gpu/drm/amd/amdkfd/kfd_chardev.c @@ -1128,7 +1128,7 @@ static int kfd_ioctl_set_scratch_backing_va(struct file *filep, mutex_unlock(&p->mutex); if (dev->dqm->sched_policy == KFD_SCHED_POLICY_NO_HWS && - pdd->qpd.vmid != 0) + pdd->qpd.vmid != 0 && dev->kfd2kgd->set_scratch_backing_va) dev->kfd2kgd->set_scratch_backing_va( dev->kgd, args->va_addr, pdd->qpd.vmid); |