diff options
| -rw-r--r-- | drivers/misc/c2port/core.c | 30 |
1 files changed, 17 insertions, 13 deletions
diff --git a/drivers/misc/c2port/core.c b/drivers/misc/c2port/core.c index a3b8370..f32550a 100644 --- a/drivers/misc/c2port/core.c +++ b/drivers/misc/c2port/core.c @@ -867,17 +867,14 @@ static struct device_attribute c2port_attrs[] = { __ATTR_NULL, }; -static struct bin_attribute c2port_bin_attrs[] = { - { - .attr = { - .name = "flash_data", - .mode = 0644 - }, - .read = c2port_read_flash_data, - .write = c2port_write_flash_data, - /* .size is computed at run-time */ +static struct bin_attribute c2port_bin_attrs = { + .attr = { + .name = "flash_data", + .mode = 0644 }, - __ATTR_NULL + .read = c2port_read_flash_data, + .write = c2port_write_flash_data, + /* .size is computed at run-time */ }; /* @@ -910,8 +907,6 @@ struct c2port_device *c2port_device_register(char *name, goto error_idr_alloc; c2dev->id = ret; - c2port_bin_attrs[0].size = ops->blocks_num * ops->block_size; - c2dev->dev = device_create(c2port_class, NULL, 0, c2dev, "c2port%d", c2dev->id); if (unlikely(IS_ERR(c2dev->dev))) { @@ -924,6 +919,12 @@ struct c2port_device *c2port_device_register(char *name, c2dev->ops = ops; mutex_init(&c2dev->mutex); + /* Create binary file */ + c2port_bin_attrs.size = ops->blocks_num * ops->block_size; + ret = device_create_bin_file(c2dev->dev, &c2port_bin_attrs); + if (unlikely(ret)) + goto error_device_create_bin_file; + /* By default C2 port access is off */ c2dev->access = c2dev->flash_access = 0; ops->access(c2dev, 0); @@ -936,6 +937,9 @@ struct c2port_device *c2port_device_register(char *name, return c2dev; +error_device_create_bin_file: + device_destroy(c2port_class, 0); + error_device_create: spin_lock_irq(&c2port_idr_lock); idr_remove(&c2port_idr, c2dev->id); @@ -955,6 +959,7 @@ void c2port_device_unregister(struct c2port_device *c2dev) dev_info(c2dev->dev, "C2 port %s removed\n", c2dev->name); + device_remove_bin_file(c2dev->dev, &c2port_bin_attrs); spin_lock_irq(&c2port_idr_lock); idr_remove(&c2port_idr, c2dev->id); spin_unlock_irq(&c2port_idr_lock); @@ -980,7 +985,6 @@ static int __init c2port_init(void) return PTR_ERR(c2port_class); } c2port_class->dev_attrs = c2port_attrs; - c2port_class->dev_bin_attrs = c2port_bin_attrs; return 0; } |