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usb: gadget: lpc32xx_udc: Fix refcount leak in lpc32xx_udc_probe

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commit 4757c9ade34178b351580133771f510b5ffcf9c8 upstream.

of_parse_phandle() returns a node pointer with refcount
incremented, we should use of_node_put() on it when not need anymore.
Add missing of_node_put() to avoid refcount leak.
of_node_put() will check NULL pointer.

Fixes: 24a28e4283 ("USB: gadget driver for LPC32xx")
Cc: stable <stable@kernel.org>
Signed-off-by: Miaoqian Lin <linmq006@gmail.com>
Link: https://lore.kernel.org/r/20220603140246.64529-1-linmq006@gmail.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Miaoqian Lin 2022-06-03 18:02:44 +04:00 • committed by Greg Kroah-Hartman
commit b75bddfcc1
1 changed files with 1 additions and 0 deletions
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1
drivers/usb/gadget/udc/lpc32xx_udc.c
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@ -3027,6 +3027,7 @@ static int lpc32xx_udc_probe(struct platform_device *pdev)
}
udc->isp1301_i2c_client = isp1301_get_client(isp1301_node);
of_node_put(isp1301_node);
if (!udc->isp1301_i2c_client) {
return -EPROBE_DEFER;
}