diff options
| -rw-r--r-- | drivers/firewire/fw-transaction.c | 4 | ||||
| -rw-r--r-- | drivers/firewire/fw-transaction.h | 4 |
2 files changed, 7 insertions, 1 deletions
diff --git a/drivers/firewire/fw-transaction.c b/drivers/firewire/fw-transaction.c index 80d0121463d0..a506a1fef9a3 100644 --- a/drivers/firewire/fw-transaction.c +++ b/drivers/firewire/fw-transaction.c @@ -605,8 +605,10 @@ fw_send_response(struct fw_card *card, struct fw_request *request, int rcode) * check is sufficient to ensure we don't send response to * broadcast packets or posted writes. */ - if (request->ack != ACK_PENDING) + if (request->ack != ACK_PENDING) { + kfree(request); return; + } if (rcode == RCODE_COMPLETE) fw_fill_response(&request->response, request->request_header, diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h index b6b42fa3fff0..e2b9ca43ffaa 100644 --- a/drivers/firewire/fw-transaction.h +++ b/drivers/firewire/fw-transaction.h @@ -124,6 +124,10 @@ typedef void (*fw_transaction_callback_t)(struct fw_card *card, int rcode, size_t length, void *callback_data); +/* + * Important note: The callback must guarantee that either fw_send_response() + * or kfree() is called on the @request. + */ typedef void (*fw_address_callback_t)(struct fw_card *card, struct fw_request *request, int tcode, int destination, int source, |