diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/xe/xe_vm_madvise.c | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/drivers/gpu/drm/xe/xe_vm_madvise.c b/drivers/gpu/drm/xe/xe_vm_madvise.c index add9a6ca2390..52147f5eaaa0 100644 --- a/drivers/gpu/drm/xe/xe_vm_madvise.c +++ b/drivers/gpu/drm/xe/xe_vm_madvise.c @@ -291,8 +291,13 @@ static bool madvise_args_are_sane(struct xe_device *xe, const struct drm_xe_madv break; case DRM_XE_MEM_RANGE_ATTR_PAT: { - u16 coh_mode = xe_pat_index_get_coh_mode(xe, args->pat_index.val); + u16 pat_index, coh_mode; + if (XE_IOCTL_DBG(xe, args->pat_index.val >= xe->pat.n_entries)) + return false; + + pat_index = array_index_nospec(args->pat_index.val, xe->pat.n_entries); + coh_mode = xe_pat_index_get_coh_mode(xe, pat_index); if (XE_IOCTL_DBG(xe, !coh_mode)) return false; |