AuxXxilium/linux_dsm_epyc7002
1
0
Fork 0
mirror of https://github.com/AuxXxilium/linux_dsm_epyc7002.git synced 2024-11-30 09:26:45 +07:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge tag 'drm-amdkfd-fixes-2015-07-09' of git://people.freedesktop.org/~gabbayo/linux into drm-fixes

Browse Source 
A single fix so far for 4.2:
- checking a pointer is not null before using it

* tag 'drm-amdkfd-fixes-2015-07-09' of git://people.freedesktop.org/~gabbayo/linux:
  drm/amdkfd: validate pdd where it acquired first
This commit is contained in:
Dave Airlie 2015-07-10 15:56:19 +10:00
commit 008b3f1f1c
1 changed files with 7 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/gpu/drm/amd/amdkfd/kfd_process.c
View File

@ -420,6 +420,12 @@ void kfd_unbind_process_from_device(struct kfd_dev *dev, unsigned int pasid)
pqm_uninit(&p->pqm);
pdd = kfd_get_process_device_data(dev, p);
if (!pdd) {
mutex_unlock(&p->mutex);
return;
}
if (pdd->reset_wavefronts) {
dbgdev_wave_reset_wavefronts(pdd->dev, p);
pdd->reset_wavefronts = false;
@ -431,8 +437,7 @@ void kfd_unbind_process_from_device(struct kfd_dev *dev, unsigned int pasid)
* We don't call amd_iommu_unbind_pasid() here
* because the IOMMU called us.
*/
if (pdd)
pdd->bound = false;
pdd->bound = false;
mutex_unlock(&p->mutex);
}