firewire: ohci: do not bind to Pinnacle cards, avert panic
When firewire-ohci is bound to a Pinnacle MovieBoard, eventually a
"Register access failure" is logged and an interrupt storm or a kernel
panic happens. https://bugzilla.kernel.org/show_bug.cgi?id=36622
Until this is sorted out (if that is going to succeed at all), let's
just prevent firewire-ohci from touching these devices.
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
Cc: <stable@kernel.org>
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index 438e6c8..ebb8973 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -264,6 +264,7 @@
#define PCI_DEVICE_ID_AGERE_FW643 0x5901
#define PCI_DEVICE_ID_JMICRON_JMB38X_FW 0x2380
#define PCI_DEVICE_ID_TI_TSB12LV22 0x8009
+#define PCI_VENDOR_ID_PINNACLE_SYSTEMS 0x11bd
#define QUIRK_CYCLE_TIMER 1
#define QUIRK_RESET_PACKET 2
@@ -3190,6 +3191,11 @@
int i, err;
size_t size;
+ if (dev->vendor == PCI_VENDOR_ID_PINNACLE_SYSTEMS) {
+ dev_err(&dev->dev, "Pinnacle MovieBoard is not yet supported\n");
+ return -ENOSYS;
+ }
+
ohci = kzalloc(sizeof(*ohci), GFP_KERNEL);
if (ohci == NULL) {
err = -ENOMEM;