Correctly call nfc_set_parent_dev before nfc_register_device. Otherwise the driver will oops when being removed.
Signed-off-by: Michael Thalmeier <[email protected]> --- drivers/nfc/pn533/i2c.c | 3 ++- drivers/nfc/pn533/pn533.c | 4 +++- drivers/nfc/pn533/pn533.h | 3 ++- drivers/nfc/pn533/usb.c | 3 +-- 4 files changed, 8 insertions(+), 5 deletions(-) diff --git a/drivers/nfc/pn533/i2c.c b/drivers/nfc/pn533/i2c.c index 1a622e1..0141f19 100644 --- a/drivers/nfc/pn533/i2c.c +++ b/drivers/nfc/pn533/i2c.c @@ -211,7 +211,8 @@ static int pn533_i2c_probe(struct i2c_client *client, PN533_NO_TYPE_B_PROTOCOLS, PN533_PROTO_REQ_ACK_RESP, phy, &i2c_phy_ops, NULL, - &phy->i2c_dev->dev); + &phy->i2c_dev->dev, + &client->dev); if (IS_ERR(priv)) { r = PTR_ERR(priv); diff --git a/drivers/nfc/pn533/pn533.c b/drivers/nfc/pn533/pn533.c index ee9e8f1..d82eecd 100644 --- a/drivers/nfc/pn533/pn533.c +++ b/drivers/nfc/pn533/pn533.c @@ -2554,7 +2554,8 @@ struct pn533 *pn533_register_device(u32 device_type, void *phy, struct pn533_phy_ops *phy_ops, struct pn533_frame_ops *fops, - struct device *dev) + struct device *dev, + struct device *parent) { struct pn533_fw_version fw_ver; struct pn533 *priv; @@ -2617,6 +2618,7 @@ struct pn533 *pn533_register_device(u32 device_type, goto destroy_wq; } + nfc_set_parent_dev(priv->nfc_dev, parent); nfc_set_drvdata(priv->nfc_dev, priv); rc = nfc_register_device(priv->nfc_dev); diff --git a/drivers/nfc/pn533/pn533.h b/drivers/nfc/pn533/pn533.h index ba604f6..553c7d1 100644 --- a/drivers/nfc/pn533/pn533.h +++ b/drivers/nfc/pn533/pn533.h @@ -228,7 +228,8 @@ struct pn533 *pn533_register_device(u32 device_type, void *phy, struct pn533_phy_ops *phy_ops, struct pn533_frame_ops *fops, - struct device *dev); + struct device *dev, + struct device *parent); void pn533_unregister_device(struct pn533 *priv); void pn533_recv_frame(struct pn533 *dev, struct sk_buff *skb, int status); diff --git a/drivers/nfc/pn533/usb.c b/drivers/nfc/pn533/usb.c index 4f73cbf..8ca0603 100644 --- a/drivers/nfc/pn533/usb.c +++ b/drivers/nfc/pn533/usb.c @@ -536,7 +536,7 @@ static int pn533_usb_probe(struct usb_interface *interface, priv = pn533_register_device(id->driver_info, protocols, protocol_type, phy, &usb_phy_ops, fops, - &phy->udev->dev); + &phy->udev->dev, &interface->dev); if (IS_ERR(priv)) { rc = PTR_ERR(priv); @@ -544,7 +544,6 @@ static int pn533_usb_probe(struct usb_interface *interface, } phy->priv = priv; - nfc_set_parent_dev(priv->nfc_dev, &interface->dev); usb_set_intfdata(interface, phy); -- 2.5.5
