33     MppBufferGroup memGroup;  member
612     if (p->memGroup) {  in hwpq_vdpp_deinit()
613         mpp_buffer_group_put(p->memGroup);  in hwpq_vdpp_deinit()
614         p->memGroup = NULL;  in hwpq_vdpp_deinit()
629     MppBufferGroup memGroup = NULL;  in hwpq_vdpp_init()  local
655     ret = mpp_buffer_group_get_internal(&memGroup, MPP_BUFFER_TYPE_DRM);  in hwpq_vdpp_init()
662     mpp_buffer_get(memGroup, &histbuf, VDPP_HIST_LENGTH);  in hwpq_vdpp_init()
681     p->memGroup = memGroup;  in hwpq_vdpp_init()
694     if (memGroup) {  in hwpq_vdpp_init()
695         mpp_buffer_group_put(memGroup);  in hwpq_vdpp_init()
696         memGroup = NULL;  in hwpq_vdpp_init()
770     MppBufferGroup memGroup = NULL;  in hwpq_vdpp_proc()  local
789     memGroup = p->memGroup;  in hwpq_vdpp_proc()
791     if (NULL == memGroup || NULL == histbuf) {  in hwpq_vdpp_proc()
792         mpp_err_f("found NULL memGroup %p or histbuf %p\n", memGroup, histbuf);  in hwpq_vdpp_proc()