diff --git a/drivers/char/adsprpc.c b/drivers/char/adsprpc.c index 8c3103eb30a2..05cfe33e6987 100644 --- a/drivers/char/adsprpc.c +++ b/drivers/char/adsprpc.c @@ -573,6 +573,7 @@ struct fastrpc_mmap { bool in_use; /* Indicates if persistent map is in use*/ struct timespec64 map_start_time; struct timespec64 map_end_time; + bool is_filemap; /*flag to indicate map used in process init*/ }; enum fastrpc_perfkeys { @@ -1199,9 +1200,10 @@ static int fastrpc_mmap_remove(struct fastrpc_file *fl, int fd, uintptr_t va, spin_lock(&me->hlock); hlist_for_each_entry_safe(map, n, &me->maps, hn) { - if ((fd < 0 || map->fd == fd) && map->raddr == va && + if (map->refs == 1 && map->raddr == va && map->raddr + map->len == va + len && - map->refs == 1 && !map->is_persistent) { + /*Remove map if not used in process initialization*/ + !map->is_filemap) { match = map; hlist_del_init(&map->hn); break; @@ -1213,9 +1215,10 @@ static int fastrpc_mmap_remove(struct fastrpc_file *fl, int fd, uintptr_t va, return 0; } hlist_for_each_entry_safe(map, n, &fl->maps, hn) { - if ((fd < 0 || map->fd == fd) && map->raddr == va && + if (map->refs == 1 && map->raddr == va && map->raddr + map->len == va + len && - map->refs == 1) { + /*Remove map if not used in process initialization*/ + !map->is_filemap) { match = map; hlist_del_init(&map->hn); break; @@ -1399,6 +1402,7 @@ static int fastrpc_mmap_create(struct fastrpc_file *fl, int fd, map->fd = fd; map->attr = attr; map->frpc_md_index = -1; + map->is_filemap = false; ktime_get_real_ts64(&map->map_start_time); if (mflags == ADSP_MMAP_HEAP_ADDR || mflags == ADSP_MMAP_REMOTE_HEAP_ADDR) { @@ -3683,6 +3687,8 @@ static int fastrpc_init_create_dynamic_process(struct fastrpc_file *fl, mutex_lock(&fl->map_mutex); err = fastrpc_mmap_create(fl, init->filefd, 0, init->file, init->filelen, mflags, &file); + if (file) + file->is_filemap = true; mutex_unlock(&fl->map_mutex); if (err) goto bail; @@ -3904,6 +3910,8 @@ static int fastrpc_init_create_static_process(struct fastrpc_file *fl, mutex_lock(&fl->map_mutex); err = fastrpc_mmap_create(fl, -1, 0, init->mem, init->memlen, ADSP_MMAP_REMOTE_HEAP_ADDR, &mem); + if (mem) + mem->is_filemap = true; mutex_unlock(&fl->map_mutex); if (err) goto bail;