diff options
Diffstat (limited to 'drivers/block/ub.c')
| -rw-r--r-- | drivers/block/ub.c | 18 |
1 files changed, 10 insertions, 8 deletions
diff --git a/drivers/block/ub.c b/drivers/block/ub.c index f04d864770ad..a9485e520372 100644 --- a/drivers/block/ub.c +++ b/drivers/block/ub.c @@ -704,6 +704,9 @@ static void ub_cleanup(struct ub_dev *sc) kfree(lun); } + usb_set_intfdata(sc->intf, NULL); + usb_put_intf(sc->intf); + usb_put_dev(sc->dev); kfree(sc); } @@ -2428,7 +2431,12 @@ static int ub_probe(struct usb_interface *intf, // sc->ifnum = intf->cur_altsetting->desc.bInterfaceNumber; usb_set_intfdata(intf, sc); usb_get_dev(sc->dev); - // usb_get_intf(sc->intf); /* Do we need this? */ + /* + * Since we give the interface struct to the block level through + * disk->driverfs_dev, we have to pin it. Otherwise, block_uevent + * oopses on close after a disconnect (kernels 2.6.16 and up). + */ + usb_get_intf(sc->intf); snprintf(sc->name, 12, DRV_NAME "(%d.%d)", sc->dev->bus->busnum, sc->dev->devnum); @@ -2509,7 +2517,7 @@ static int ub_probe(struct usb_interface *intf, err_diag: err_dev_desc: usb_set_intfdata(intf, NULL); - // usb_put_intf(sc->intf); + usb_put_intf(sc->intf); usb_put_dev(sc->dev); kfree(sc); err_core: @@ -2688,12 +2696,6 @@ static void ub_disconnect(struct usb_interface *intf) */ device_remove_file(&sc->intf->dev, &dev_attr_diag); - usb_set_intfdata(intf, NULL); - // usb_put_intf(sc->intf); - sc->intf = NULL; - usb_put_dev(sc->dev); - sc->dev = NULL; - ub_put(sc); } |