diff options
Diffstat (limited to 'io_uring/rsrc.h')
| -rw-r--r-- | io_uring/rsrc.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/io_uring/rsrc.h b/io_uring/rsrc.h index 569ea9ce1405..82e08cbba02e 100644 --- a/io_uring/rsrc.h +++ b/io_uring/rsrc.h @@ -70,6 +70,14 @@ int io_register_rsrc(struct io_ring_ctx *ctx, void __user *arg, extern const struct io_rsrc_node empty_node; #define rsrc_empty_node (struct io_rsrc_node *) &empty_node +static inline struct io_rsrc_node *io_rsrc_node_lookup(struct io_rsrc_data *data, + int index) +{ + if (index < data->nr) + return data->nodes[array_index_nospec(index, data->nr)]; + return NULL; +} + static inline void io_put_rsrc_node(struct io_rsrc_node *node) { if (node != rsrc_empty_node && !--node->refs) |