X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=drivers%2Fmacintosh%2Fadb.c;h=e5d446804d323e74880db5ff14130440a120f033;hb=f887cce8de019bb32917789379af89ae4c0294ee;hp=b8b9e44f7f4ee9e478ebe07f45ae58ac6ae9a24b;hpb=bb896afe2089575ca1bb1fbf3f07b934e1ba999b;p=linux-2.6-omap-h63xx.git diff --git a/drivers/macintosh/adb.c b/drivers/macintosh/adb.c index b8b9e44f7f4..e5d446804d3 100644 --- a/drivers/macintosh/adb.c +++ b/drivers/macintosh/adb.c @@ -46,7 +46,6 @@ #endif -EXPORT_SYMBOL(adb_controller); EXPORT_SYMBOL(adb_client_list); extern struct adb_driver via_macii_driver; @@ -80,7 +79,7 @@ static struct adb_driver *adb_driver_list[] = { static struct class *adb_dev_class; -struct adb_driver *adb_controller; +static struct adb_driver *adb_controller; BLOCKING_NOTIFIER_HEAD(adb_client_list); static int adb_got_sleep; static int adb_inited; @@ -290,7 +289,7 @@ static int adb_resume(struct platform_device *dev) } #endif /* CONFIG_PM */ -int __init adb_init(void) +static int __init adb_init(void) { struct adb_driver *driver; int i; @@ -334,7 +333,7 @@ int __init adb_init(void) return 0; } -__initcall(adb_init); +device_initcall(adb_init); static int do_adb_reset_bus(void) @@ -644,12 +643,18 @@ do_adb_query(struct adb_request *req) static int adb_open(struct inode *inode, struct file *file) { struct adbdev_state *state; + int ret = 0; - if (iminor(inode) > 0 || adb_controller == NULL) - return -ENXIO; + lock_kernel(); + if (iminor(inode) > 0 || adb_controller == NULL) { + ret = -ENXIO; + goto out; + } state = kmalloc(sizeof(struct adbdev_state), GFP_KERNEL); - if (state == 0) - return -ENOMEM; + if (state == 0) { + ret = -ENOMEM; + goto out; + } file->private_data = state; spin_lock_init(&state->lock); atomic_set(&state->n_pending, 0); @@ -657,7 +662,9 @@ static int adb_open(struct inode *inode, struct file *file) init_waitqueue_head(&state->wait_queue); state->inuse = 1; - return 0; +out: + unlock_kernel(); + return ret; } static int adb_release(struct inode *inode, struct file *file)