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memory: renesas-rpc-if: fix platform-device leak in error path

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commit b452dbf24d7d9a990d70118462925f6ee287d135 upstream.

Make sure to free the flash platform device in the event that
registration fails during probe.

Fixes: ca7d8b980b67 ("memory: add Renesas RPC-IF driver")
Cc: stable@vger.kernel.org      # 5.8
Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: Johan Hovold <johan@kernel.org>
Link: https://lore.kernel.org/r/20220303180632.3194-1-johan@kernel.org
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Johan Hovold 2022-03-03 19:06:32 +01:00 committed by Greg Kroah-Hartman
parent f5e13d700a
commit 05d1824a7f
1 changed files with 9 additions and 1 deletions
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10
drivers/memory/renesas-rpc-if.c
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@ -579,6 +579,7 @@ static int rpcif_probe(struct platform_device *pdev)
struct platform_device *vdev;
struct device_node *flash;
const char *name;
int ret;
flash = of_get_next_child(pdev->dev.of_node, NULL);
if (!flash) {
@ -602,7 +603,14 @@ static int rpcif_probe(struct platform_device *pdev)
return -ENOMEM;
vdev->dev.parent = &pdev->dev;
platform_set_drvdata(pdev, vdev);
return platform_device_add(vdev);
ret = platform_device_add(vdev);
if (ret) {
platform_device_put(vdev);
return ret;
}
return 0;
}
static int rpcif_remove(struct platform_device *pdev)