[PATCH RESEND] ARM: mmp: fix platform-device leak on registration errors

From: Johan Hovold
Date: Mon Jun 20 2022 - 10:56:21 EST


Make sure to free the platform device also in the event that
registration fails.

Fixes: 49cbe78637eb ("[ARM] pxa: add base support for Marvell's PXA168 processor line")
Cc: stable@xxxxxxxxxxxxxxx # 2.6.30
Signed-off-by: Johan Hovold <johan@xxxxxxxxxx>
---

It's been almost four months so resending.

Arnd, can you pick this one up if Lubomir isn't around anymore?

Johan


arch/arm/mach-mmp/devices.c | 23 ++++++++++++++---------
1 file changed, 14 insertions(+), 9 deletions(-)

diff --git a/arch/arm/mach-mmp/devices.c b/arch/arm/mach-mmp/devices.c
index 79f4a2aa5475..dfb072d788ff 100644
--- a/arch/arm/mach-mmp/devices.c
+++ b/arch/arm/mach-mmp/devices.c
@@ -53,20 +53,25 @@ int __init mmp_register_device(struct mmp_device_desc *desc,
}

ret = platform_device_add_resources(pdev, res, nres);
- if (ret) {
- platform_device_put(pdev);
- return ret;
- }
+ if (ret)
+ goto err_put_device;

if (data && size) {
ret = platform_device_add_data(pdev, data, size);
- if (ret) {
- platform_device_put(pdev);
- return ret;
- }
+ if (ret)
+ goto err_put_device;
}

- return platform_device_add(pdev);
+ ret = platform_device_add(pdev);
+ if (ret)
+ goto err_put_device;
+
+ return 0;
+
+err_put_device:
+ platform_device_put(pdev);
+
+ return ret;
}

#if IS_ENABLED(CONFIG_USB) || IS_ENABLED(CONFIG_USB_GADGET)
--
2.35.1