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authorLinus Torvalds <torvalds@linux-foundation.org>2009-09-05 14:59:00 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-09-05 14:59:00 -0700
commitf815c335d21f9965f8dbe142fd168aaba1baf98e (patch)
tree4e9a65b7810de10141595125cc65f2b0e7533dfc
parent74a01180db4bbfd61304ae0ba1f60af55ffc803d (diff)
parentbaed6b82d9f160184c1c14cdb4accb08f3eb6b87 (diff)
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6: firewire: sbp2: fix freeing of unallocated memory firewire: ohci: fix Ricoh R5C832, video reception firewire: ohci: fix Agere FW643 and multiple cameras firewire: core: fix crash in iso resource management
-rw-r--r--drivers/firewire/core-iso.c4
-rw-r--r--drivers/firewire/ohci.c14
-rw-r--r--drivers/firewire/sbp2.c8
3 files changed, 20 insertions, 6 deletions
diff --git a/drivers/firewire/core-iso.c b/drivers/firewire/core-iso.c
index 110e731f5574..1c0b504a42f3 100644
--- a/drivers/firewire/core-iso.c
+++ b/drivers/firewire/core-iso.c
@@ -196,7 +196,7 @@ static int manage_bandwidth(struct fw_card *card, int irm_id, int generation,
switch (fw_run_transaction(card, TCODE_LOCK_COMPARE_SWAP,
irm_id, generation, SCODE_100,
CSR_REGISTER_BASE + CSR_BANDWIDTH_AVAILABLE,
- data, sizeof(data))) {
+ data, 8)) {
case RCODE_GENERATION:
/* A generation change frees all bandwidth. */
return allocate ? -EAGAIN : bandwidth;
@@ -233,7 +233,7 @@ static int manage_channel(struct fw_card *card, int irm_id, int generation,
data[1] = old ^ c;
switch (fw_run_transaction(card, TCODE_LOCK_COMPARE_SWAP,
irm_id, generation, SCODE_100,
- offset, data, sizeof(data))) {
+ offset, data, 8)) {
case RCODE_GENERATION:
/* A generation change frees all channels. */
return allocate ? -EAGAIN : i;
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index ecddd11b797a..76b321bb73f9 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -34,6 +34,7 @@
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/pci.h>
+#include <linux/pci_ids.h>
#include <linux/spinlock.h>
#include <linux/string.h>
@@ -2372,6 +2373,9 @@ static void ohci_pmac_off(struct pci_dev *dev)
#define ohci_pmac_off(dev)
#endif /* CONFIG_PPC_PMAC */
+#define PCI_VENDOR_ID_AGERE PCI_VENDOR_ID_ATT
+#define PCI_DEVICE_ID_AGERE_FW643 0x5901
+
static int __devinit pci_probe(struct pci_dev *dev,
const struct pci_device_id *ent)
{
@@ -2422,6 +2426,16 @@ static int __devinit pci_probe(struct pci_dev *dev,
version = reg_read(ohci, OHCI1394_Version) & 0x00ff00ff;
ohci->use_dualbuffer = version >= OHCI_VERSION_1_1;
+ /* dual-buffer mode is broken if more than one IR context is active */
+ if (dev->vendor == PCI_VENDOR_ID_AGERE &&
+ dev->device == PCI_DEVICE_ID_AGERE_FW643)
+ ohci->use_dualbuffer = false;
+
+ /* dual-buffer mode is broken */
+ if (dev->vendor == PCI_VENDOR_ID_RICOH &&
+ dev->device == PCI_DEVICE_ID_RICOH_R5C832)
+ ohci->use_dualbuffer = false;
+
/* x86-32 currently doesn't use highmem for dma_alloc_coherent */
#if !defined(CONFIG_X86_32)
/* dual-buffer mode is broken with descriptor addresses above 2G */
diff --git a/drivers/firewire/sbp2.c b/drivers/firewire/sbp2.c
index 8d51568ee143..e5df822a8130 100644
--- a/drivers/firewire/sbp2.c
+++ b/drivers/firewire/sbp2.c
@@ -456,12 +456,12 @@ static void sbp2_status_write(struct fw_card *card, struct fw_request *request,
}
spin_unlock_irqrestore(&card->lock, flags);
- if (&orb->link != &lu->orb_list)
+ if (&orb->link != &lu->orb_list) {
orb->callback(orb, &status);
- else
+ kref_put(&orb->kref, free_orb);
+ } else {
fw_error("status write for unknown orb\n");
-
- kref_put(&orb->kref, free_orb);
+ }
fw_send_response(card, request, RCODE_COMPLETE);
}