Messages in this thread | | | Date | Thu, 26 May 2022 14:21:35 +0300 | From | Andy Shevchenko <> | Subject | Re: [PATCH] soc: bcm: brcmstb: pm: pm-arm: Fix refcount leak in brcmstb_pm_probe |
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On Thu, May 26, 2022 at 11:53:22AM +0400, Miaoqian Lin wrote: > of_find_matching_node() 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. > > In brcmstb_init_sram, it pass dn to of_address_to_resource(), > of_address_to_resource() will call of_find_device_by_node() to take > reference, so we should release the reference returned by > of_find_matching_node().
Looks legit, Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
> Fixes: 0b741b8234c8 ("soc: bcm: brcmstb: Add support for S2/S3/S5 suspend states (ARM)") > Signed-off-by: Miaoqian Lin <linmq006@gmail.com> > --- > drivers/soc/bcm/brcmstb/pm/pm-arm.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/drivers/soc/bcm/brcmstb/pm/pm-arm.c b/drivers/soc/bcm/brcmstb/pm/pm-arm.c > index 3cbb165d6e30..70ad0f3dce28 100644 > --- a/drivers/soc/bcm/brcmstb/pm/pm-arm.c > +++ b/drivers/soc/bcm/brcmstb/pm/pm-arm.c > @@ -783,6 +783,7 @@ static int brcmstb_pm_probe(struct platform_device *pdev) > } > > ret = brcmstb_init_sram(dn); > + of_node_put(dn); > if (ret) { > pr_err("error setting up SRAM for PM\n"); > return ret; > -- > 2.25.1 >
-- With Best Regards, Andy Shevchenko
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