usb: ohci-nxp: fix device leak on probe failure

Make sure to drop the reference taken when looking up the PHY I2C device
during probe on probe failure (e.g. probe deferral) and on driver
unbind.

Fixes: 73108aa ("USB: ohci-nxp: Use isp1301 driver")
Cc: [email protected]	# 3.5
Reported-by: Ma Ke <[email protected]>
Link: https://lore.kernel.org/lkml/[email protected]/
Signed-off-by: Johan Hovold <[email protected]>
Acked-by: Alan Stern <[email protected]>
Reviewed-by: Vladimir Zapolskiy <[email protected]>
Link: https://patch.msgid.link/[email protected]
Signed-off-by: Greg Kroah-Hartman <[email protected]>

Author: jhovold

drivers/usb/host/ohci-nxp.c

@@ -223,6 +223,7 @@ static int ohci_hcd_nxp_probe(struct platform_device *pdev)
 fail_resource:
 	usb_put_hcd(hcd);
 fail_disable:
+	put_device(&isp1301_i2c_client->dev);
 	isp1301_i2c_client = NULL;
 	return ret;
 }
@@ -234,6 +235,7 @@ static void ohci_hcd_nxp_remove(struct platform_device *pdev)
 	usb_remove_hcd(hcd);
 	ohci_nxp_stop_hc();
 	usb_put_hcd(hcd);
+	put_device(&isp1301_i2c_client->dev);
 	isp1301_i2c_client = NULL;
 }