From ab88ca488b8af66c3defa165874e81e695319a19 Mon Sep 17 00:00:00 2001
From: Stefan Richter <stefanr@s5r6.in-berlin.de>
Date: Wed, 29 Aug 2007 19:40:28 +0200
Subject: [PATCH] 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>
---
drivers/firewire/fw-ohci.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index a333748255269..ec70c9f911712 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -680,6 +680,9 @@ at_context_queue_packet(struct context *ctx, struct fw_packet *packet)
/* 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;
}
--
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