diff options
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/i915/gvt/cmd_parser.c | 10 |
1 files changed, 6 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/gvt/cmd_parser.c b/drivers/gpu/drm/i915/gvt/cmd_parser.c index 701a3c6f1669..9405a214760c 100644 --- a/drivers/gpu/drm/i915/gvt/cmd_parser.c +++ b/drivers/gpu/drm/i915/gvt/cmd_parser.c @@ -2620,14 +2620,16 @@ static int shadow_workload_ring_buffer(struct intel_vgpu_workload *workload) gma_top = workload->rb_start + guest_rb_size; if (workload->rb_len > vgpu->reserve_ring_buffer_size[ring_id]) { - void *va = vgpu->reserve_ring_buffer_va[ring_id]; + void *va, *p; + /* realloc the new ring buffer if needed */ - vgpu->reserve_ring_buffer_va[ring_id] = - krealloc(va, workload->rb_len, GFP_KERNEL); - if (!vgpu->reserve_ring_buffer_va[ring_id]) { + va = vgpu->reserve_ring_buffer_va[ring_id]; + p = krealloc(va, workload->rb_len, GFP_KERNEL); + if (!p) { gvt_vgpu_err("fail to alloc reserve ring buffer\n"); return -ENOMEM; } + vgpu->reserve_ring_buffer_va[ring_id] = p; vgpu->reserve_ring_buffer_size[ring_id] = workload->rb_len; } |