diff options
Diffstat (limited to 'drivers/firewire')
| -rw-r--r-- | drivers/firewire/core-transaction.c | 35 |
1 files changed, 15 insertions, 20 deletions
diff --git a/drivers/firewire/core-transaction.c b/drivers/firewire/core-transaction.c index 2a2cbd6e2f9b..a0224d4d8e11 100644 --- a/drivers/firewire/core-transaction.c +++ b/drivers/firewire/core-transaction.c @@ -925,16 +925,14 @@ static void handle_exclusive_region_request(struct fw_card *card, if (tcode == TCODE_LOCK_REQUEST) tcode = 0x10 + async_header_get_extended_tcode(p->header); - rcu_read_lock(); - handler = lookup_enclosing_address_handler(&address_handler_list, - offset, request->length); - if (handler) - handler->address_callback(card, request, - tcode, destination, source, - p->generation, offset, - request->data, request->length, - handler->callback_data); - rcu_read_unlock(); + scoped_guard(rcu) { + handler = lookup_enclosing_address_handler(&address_handler_list, offset, + request->length); + if (handler) + handler->address_callback(card, request, tcode, destination, source, + p->generation, offset, request->data, + request->length, handler->callback_data); + } if (!handler) fw_send_response(card, request, RCODE_ADDRESS_ERROR); @@ -967,17 +965,14 @@ static void handle_fcp_region_request(struct fw_card *card, return; } - rcu_read_lock(); - list_for_each_entry_rcu(handler, &address_handler_list, link) { - if (is_enclosing_handler(handler, offset, request->length)) - handler->address_callback(card, request, tcode, - destination, source, - p->generation, offset, - request->data, - request->length, - handler->callback_data); + scoped_guard(rcu) { + list_for_each_entry_rcu(handler, &address_handler_list, link) { + if (is_enclosing_handler(handler, offset, request->length)) + handler->address_callback(card, request, tcode, destination, source, + p->generation, offset, request->data, + request->length, handler->callback_data); + } } - rcu_read_unlock(); fw_send_response(card, request, RCODE_COMPLETE); } |