commit ab88ca488b8af66c3defa165874e81e695319a19
author Stefan Richter <stefanr@s5r6.in-berlin.de> Wed Aug 29 19:40:28 2007 +0200
committer Stefan Richter <stefanr@s5r6.in-berlin.de> Wed Oct 17 00:00:07 2007 +0200
tree 0f798dacb2c16317a15b043697ae2e74384ff319
parent e524f616f59722bc7f93eb1fd79d3bbdcdf4f894

firewire: fw-ohci: missing dma_unmap_single

at_context_queue_packet() didn't clean up in an early exit path.

Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Signed-off-by: Kristian Høgsberg <krh@redhat.com>

drivers/firewire/fw-ohci.c

diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index a333748..ec70c9f 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -680,6 +680,9 @@
 
 	/* FIXME: Document how the locking works. */
 	if (ohci->generation != packet->generation) {
+		if (packet->payload_length > 0)
+			dma_unmap_single(ohci->card.device, payload_bus,
+					 packet->payload_length, DMA_TO_DEVICE);
 		packet->ack = RCODE_GENERATION;
 		return -1;
 	}