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firewire: Switch cdev code over to use register_chrdev and keep a list of devices.

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The old mechanism kept a struct cdev for each fw device, but fops->release
would reference this struct after the device got freed in some cases.

Signed-off-by: Kristian Høgsberg <krh@redhat.com>
Signed-off-by: Stefan Richter <stefanr@s5r6.in-berlin.de>
This commit is contained in:
Kristian Høgsberg
2007-03-07 12:12:44 -05:00
committed by Stefan Richter
parent 344bbc4de1
commit a3aca3dabb
4 changed files with 51 additions and 22 deletions
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5
drivers/firewire/fw-device.h
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@@ -39,7 +39,7 @@ struct fw_device {
int generation;
struct fw_card *card;
struct device device;
struct cdev cdev;
struct list_head link;
struct list_head client_list;
__be32 *config_rom;
size_t config_rom_length;
@@ -59,6 +59,9 @@ int fw_device_enable_phys_dma(struct fw_device *device);
void fw_device_cdev_update(struct fw_device *device);
struct fw_device *fw_device_from_devt(dev_t devt);
extern int fw_cdev_major;
struct fw_unit {
struct device device;
u32 *directory;