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: 73108aa90cbf ("USB: ohci-nxp: Use isp1301 driver")
Cc: stable@vger.kernel.org	# 3.5
Reported-by: Ma Ke <make24@iscas.ac.cn>
Link: https://lore.kernel.org/lkml/20251117013428.21840-1-make24@iscas.ac.cn/
Signed-off-by: Johan Hovold <johan@kernel.org>
Acked-by: Alan Stern <stern@rowland.harvard.edu>
Reviewed-by: Vladimir Zapolskiy <vz@mleia.com>
Link: https://patch.msgid.link/20251218153519.19453-4-johan@kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

diff --git a/drivers/usb/host/ohci-nxp.c b/drivers/usb/host/ohci-nxp.c
index 24d5a1dc5056047e20b3debc57001325db196bf6..509ca7d8d513802fdcd1781fb3a78394f51bc9a6 100644 (file)
--- a/drivers/usb/host/ohci-nxp.c
+++ b/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;
 }