Merge git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/bart/ide-2.6:
ide: ide_unregister() locking bugfix
ide: ide_unregister() warm-plug bugfix
ide: fix hwif->gendev refcounting
diff --git a/drivers/ide/ide-probe.c b/drivers/ide/ide-probe.c
index 380fa0c..d27061b 100644
--- a/drivers/ide/ide-probe.c
+++ b/drivers/ide/ide-probe.c
@@ -646,8 +646,6 @@
goto out;
}
- get_device(&hwif->gendev);
-
hwif->portdev = device_create_drvdata(ide_port_class, &hwif->gendev,
MKDEV(0, 0), hwif, hwif->name);
if (IS_ERR(hwif->portdev)) {
diff --git a/drivers/ide/ide.c b/drivers/ide/ide.c
index c758dcb..300431d 100644
--- a/drivers/ide/ide.c
+++ b/drivers/ide/ide.c
@@ -315,13 +315,14 @@
BUG_ON(in_interrupt());
BUG_ON(irqs_disabled());
- mutex_lock(&ide_cfg_mtx);
- spin_lock_irq(&ide_lock);
- if (!hwif->present)
- goto abort;
- __ide_port_unregister_devices(hwif);
- hwif->present = 0;
+ mutex_lock(&ide_cfg_mtx);
+
+ spin_lock_irq(&ide_lock);
+ if (hwif->present) {
+ __ide_port_unregister_devices(hwif);
+ hwif->present = 0;
+ }
spin_unlock_irq(&ide_lock);
ide_proc_unregister_port(hwif);
@@ -351,16 +352,15 @@
blk_unregister_region(MKDEV(hwif->major, 0), MAX_DRIVES<<PARTN_BITS);
kfree(hwif->sg_table);
unregister_blkdev(hwif->major, hwif->name);
- spin_lock_irq(&ide_lock);
if (hwif->dma_base)
ide_release_dma_engine(hwif);
+ spin_lock_irq(&ide_lock);
/* restore hwif data to pristine status */
ide_init_port_data(hwif, hwif->index);
-
-abort:
spin_unlock_irq(&ide_lock);
+
mutex_unlock(&ide_cfg_mtx);
}
@@ -1094,13 +1094,6 @@
EXPORT_SYMBOL_GPL(ide_bus_type);
-static void ide_port_class_release(struct device *portdev)
-{
- ide_hwif_t *hwif = dev_get_drvdata(portdev);
-
- put_device(&hwif->gendev);
-}
-
int ide_vlb_clk;
EXPORT_SYMBOL_GPL(ide_vlb_clk);
@@ -1305,7 +1298,6 @@
ret = PTR_ERR(ide_port_class);
goto out_port_class;
}
- ide_port_class->dev_release = ide_port_class_release;
init_ide_data();
