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xen-blkback: don't leak stack data via response ring
[pandora-kernel.git]
/
drivers
/
firewire
/
ohci.c
diff --git
a/drivers/firewire/ohci.c
b/drivers/firewire/ohci.c
index
6628fea
..
e6624c6
100644
(file)
--- a/
drivers/firewire/ohci.c
+++ b/
drivers/firewire/ohci.c
@@
-263,6
+263,7
@@
static inline struct fw_ohci *fw_ohci(struct fw_card *card)
static char ohci_driver_name[] = KBUILD_MODNAME;
#define PCI_DEVICE_ID_AGERE_FW643 0x5901
static char ohci_driver_name[] = KBUILD_MODNAME;
#define PCI_DEVICE_ID_AGERE_FW643 0x5901
+#define PCI_DEVICE_ID_CREATIVE_SB1394 0x4001
#define PCI_DEVICE_ID_JMICRON_JMB38X_FW 0x2380
#define PCI_DEVICE_ID_TI_TSB12LV22 0x8009
#define PCI_DEVICE_ID_TI_TSB12LV26 0x8020
#define PCI_DEVICE_ID_JMICRON_JMB38X_FW 0x2380
#define PCI_DEVICE_ID_TI_TSB12LV22 0x8009
#define PCI_DEVICE_ID_TI_TSB12LV26 0x8020
@@
-289,6
+290,9
@@
static const struct {
{PCI_VENDOR_ID_ATT, PCI_DEVICE_ID_AGERE_FW643, 6,
QUIRK_NO_MSI},
{PCI_VENDOR_ID_ATT, PCI_DEVICE_ID_AGERE_FW643, 6,
QUIRK_NO_MSI},
+ {PCI_VENDOR_ID_CREATIVE, PCI_DEVICE_ID_CREATIVE_SB1394, PCI_ANY_ID,
+ QUIRK_RESET_PACKET},
+
{PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB38X_FW, PCI_ANY_ID,
QUIRK_NO_MSI},
{PCI_VENDOR_ID_JMICRON, PCI_DEVICE_ID_JMICRON_JMB38X_FW, PCI_ANY_ID,
QUIRK_NO_MSI},
@@
-299,7
+303,7
@@
static const struct {
QUIRK_NO_MSI},
{PCI_VENDOR_ID_RICOH, PCI_ANY_ID, PCI_ANY_ID,
QUIRK_NO_MSI},
{PCI_VENDOR_ID_RICOH, PCI_ANY_ID, PCI_ANY_ID,
- QUIRK_CYCLE_TIMER},
+ QUIRK_CYCLE_TIMER
| QUIRK_NO_MSI
},
{PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_TSB12LV22, PCI_ANY_ID,
QUIRK_CYCLE_TIMER | QUIRK_RESET_PACKET | QUIRK_NO_1394A},
{PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_TSB12LV22, PCI_ANY_ID,
QUIRK_CYCLE_TIMER | QUIRK_RESET_PACKET | QUIRK_NO_1394A},
@@
-2744,7
+2748,7
@@
static int handle_ir_buffer_fill(struct context *context,
container_of(context, struct iso_context, context);
u32 buffer_dma;
container_of(context, struct iso_context, context);
u32 buffer_dma;
- if (
!last->transfer_status
)
+ if (
last->res_count != 0
)
/* Descriptor(s) not done yet, stop iteration */
return 0;
/* Descriptor(s) not done yet, stop iteration */
return 0;
@@
-2758,8
+2762,7
@@
static int handle_ir_buffer_fill(struct context *context,
if (le16_to_cpu(last->control) & DESCRIPTOR_IRQ_ALWAYS)
ctx->base.callback.mc(&ctx->base,
le32_to_cpu(last->data_address) +
if (le16_to_cpu(last->control) & DESCRIPTOR_IRQ_ALWAYS)
ctx->base.callback.mc(&ctx->base,
le32_to_cpu(last->data_address) +
- le16_to_cpu(last->req_count) -
- le16_to_cpu(last->res_count),
+ le16_to_cpu(last->req_count),
ctx->base.callback_data);
return 1;
ctx->base.callback_data);
return 1;
@@
-3544,6
+3547,11
@@
static int __devinit pci_probe(struct pci_dev *dev,
reg_write(ohci, OHCI1394_IsoXmitIntMaskSet, ~0);
ohci->it_context_support = reg_read(ohci, OHCI1394_IsoXmitIntMaskSet);
reg_write(ohci, OHCI1394_IsoXmitIntMaskSet, ~0);
ohci->it_context_support = reg_read(ohci, OHCI1394_IsoXmitIntMaskSet);
+ /* JMicron JMB38x often shows 0 at first read, just ignore it */
+ if (!ohci->it_context_support) {
+ fw_notify("overriding IsoXmitIntMask\n");
+ ohci->it_context_support = 0xf;
+ }
reg_write(ohci, OHCI1394_IsoXmitIntMaskClear, ~0);
ohci->it_context_mask = ohci->it_context_support;
ohci->n_it = hweight32(ohci->it_context_mask);
reg_write(ohci, OHCI1394_IsoXmitIntMaskClear, ~0);
ohci->it_context_mask = ohci->it_context_support;
ohci->n_it = hweight32(ohci->it_context_mask);