diff options
| -rw-r--r-- | drivers/char/adsprpc.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/drivers/char/adsprpc.c b/drivers/char/adsprpc.c index b898007c63d9..23b48dc6981b 100644 --- a/drivers/char/adsprpc.c +++ b/drivers/char/adsprpc.c @@ -479,6 +479,10 @@ static int fastrpc_mmap_find(struct fastrpc_file *fl, int fd, uintptr_t va, if (va >= map->va && va + len <= map->va + map->len && map->fd == fd) { + if (map->refs + 1 == INT_MAX) { + spin_unlock(&me->hlock); + return -ETOOMANYREFS; + } map->refs++; match = map; break; @@ -491,6 +495,10 @@ static int fastrpc_mmap_find(struct fastrpc_file *fl, int fd, uintptr_t va, if (va >= map->va && va + len <= map->va + map->len && map->fd == fd) { + if (map->refs + 1 == INT_MAX) { + spin_unlock(&fl->hlock); + return -ETOOMANYREFS; + } map->refs++; match = map; break; |