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firewire: fw-ohci: missing dma_unmap_single

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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>
This commit is contained in:
Stefan Richter 2007-08-29 19:40:28 +02:00
parent e524f616f5
commit ab88ca488b
1 changed files with 3 additions and 0 deletions
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3
drivers/firewire/fw-ohci.c
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@ -680,6 +680,9 @@ at_context_queue_packet(struct context *ctx, struct fw_packet *packet)
/* FIXME: Document how the locking works. */ /* FIXME: Document how the locking works. */
if (ohci->generation != packet->generation) { 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; packet->ack = RCODE_GENERATION;
return -1; return -1;
} }