Merge branch 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6

* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394/linux1394-2.6:
  firewire: ohci: fix DMA unmapping in an error path
  firewire: cdev: fix 32 bit userland on 64 bit kernel compat corner cases

2 files changed, 28 insertions, 5 deletions

diff --git a/drivers/firewire/core-cdev.c b/drivers/firewire/core-cdev.c
index e6ad3bb..4799393 100644
--- a/drivers/firewire/core-cdev.c
+++ b/drivers/firewire/core-cdev.c
@@ -216,15 +216,33 @@ struct inbound_phy_packet_event {
 	struct fw_cdev_event_phy_packet phy_packet;
 };
 
-static inline void __user *u64_to_uptr(__u64 value)
+#ifdef CONFIG_COMPAT
+static void __user *u64_to_uptr(u64 value)
+{
+	if (is_compat_task())
+		return compat_ptr(value);
+	else
+		return (void __user *)(unsigned long)value;
+}
+
+static u64 uptr_to_u64(void __user *ptr)
+{
+	if (is_compat_task())
+		return ptr_to_compat(ptr);
+	else
+		return (u64)(unsigned long)ptr;
+}
+#else
+static inline void __user *u64_to_uptr(u64 value)
 {
 	return (void __user *)(unsigned long)value;
 }
 
-static inline __u64 uptr_to_u64(void __user *ptr)
+static inline u64 uptr_to_u64(void __user *ptr)
 {
-	return (__u64)(unsigned long)ptr;
+	return (u64)(unsigned long)ptr;
 }
+#endif /* CONFIG_COMPAT */
 
 static int fw_device_op_open(struct inode *inode, struct file *file)
 {
diff --git a/drivers/firewire/ohci.c b/drivers/firewire/ohci.c
index bcf792f..57cd3a4 100644
--- a/drivers/firewire/ohci.c
+++ b/drivers/firewire/ohci.c
@@ -2179,8 +2179,13 @@ static int ohci_enable(struct fw_card *card,
 			ohci_driver_name, ohci)) {
 		fw_error("Failed to allocate interrupt %d.\n", dev->irq);
 		pci_disable_msi(dev);
-		dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
-				  ohci->config_rom, ohci->config_rom_bus);
+
+		if (config_rom) {
+			dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
+					  ohci->next_config_rom,
+					  ohci->next_config_rom_bus);
+			ohci->next_config_rom = NULL;
+		}
 		return -EIO;
 	}