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Message-Id: <20220124183954.578625972@linuxfoundation.org>
Date: Mon, 24 Jan 2022 19:40:08 +0100
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Johan Hovold <johan@...nel.org>,
Marc Kleine-Budde <mkl@...gutronix.de>
Subject: [PATCH 5.4 024/320] can: softing_cs: softingcs_probe(): fix memleak on registration failure
From: Johan Hovold <johan@...nel.org>
commit ced4913efb0acc844ed65cc01d091a85d83a2082 upstream.
In case device registration fails during probe, the driver state and
the embedded platform device structure needs to be freed using
platform_device_put() to properly free all resources (e.g. the device
name).
Fixes: 0a0b7a5f7a04 ("can: add driver for Softing card")
Link: https://lore.kernel.org/all/20211222104843.6105-1-johan@kernel.org
Cc: stable@...r.kernel.org # 2.6.38
Signed-off-by: Johan Hovold <johan@...nel.org>
Reviewed-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
Signed-off-by: Marc Kleine-Budde <mkl@...gutronix.de>
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
drivers/net/can/softing/softing_cs.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
--- a/drivers/net/can/softing/softing_cs.c
+++ b/drivers/net/can/softing/softing_cs.c
@@ -293,7 +293,7 @@ static int softingcs_probe(struct pcmcia
return 0;
platform_failed:
- kfree(dev);
+ platform_device_put(pdev);
mem_failed:
pcmcia_bad:
pcmcia_failed:
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