linux/drivers/firewire
Stefan Richter 1d1dc5e83f firewire: fw-ohci: fix IOMMU resource exhaustion
There is a DMA map/ unmap imbalance whenever a block write request
packet is sent and then dequeued with ohci_cancel_packet.  The latter
may happen frequently if the AR resp tasklet is executed before the AT
req tasklet for the same transaction.

Add the missing dma_unmap_single.  This fixes
https://bugzilla.redhat.com/show_bug.cgi?id=475156

Reported-by: Emmanuel Kowalski
Tested-by: Emmanuel Kowalski
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
2008-12-10 12:45:34 +01:00
..
fw-card.c firewire: fw_send_request_sync() 2008-10-15 22:21:09 +02:00
fw-cdev.c firewire: fix ioctl() return code 2008-10-15 22:21:10 +02:00
fw-device.c firewire: struct device - replace bus_id with dev_name(), dev_set_name() 2008-10-31 08:48:25 +01:00
fw-device.h firewire: remove unused struct members 2008-07-14 13:06:03 +02:00
fw-iso.c dma-mapping: add the device argument to dma_mapping_error() 2008-07-26 12:00:03 -07:00
fw-ohci.c firewire: fw-ohci: fix IOMMU resource exhaustion 2008-12-10 12:45:34 +01:00
fw-ohci.h
fw-sbp2.c firewire: fw-sbp2: another iPod mini quirk entry 2008-11-25 21:38:31 +01:00
fw-topology.c firewire: fix struct fw_node memory leak 2008-10-26 10:27:00 +01:00
fw-topology.h
fw-transaction.c firewire: fw-ohci: fix IOMMU resource exhaustion 2008-12-10 12:45:34 +01:00
fw-transaction.h firewire: fw-ohci: fix IOMMU resource exhaustion 2008-12-10 12:45:34 +01:00
Kconfig firewire: Kconfig help update 2008-08-19 18:47:56 +02:00
Makefile