On 1 December 2015 at 18:39, Eric Anholt <[email protected]> wrote:
> It looks like these meant to be unreffing the
> of_parse_phandle_with_args() node, since the error paths above it
> don't do of_node_put. That function returns a new ref in pd_args.np,
> though, not a new ref on dev->of_node. Also, it would have leaked the
> ref in the success case.
>
> Fixes "ERROR: Bad of_node_put()" on bcm2835 when hitting the
> -EPROBE_DEFER case.
>
> Signed-off-by: Eric Anholt <[email protected]>
Thanks for the fix!
Perhaps we should add a fixes tag, as the problem been there since we
introduced the OF support.
Fixes: aa42240ab254 ("PM / Domains: Add generic OF-based PM domain look-up")
Acked-by: Ulf Hansson <[email protected]>
Kind regards
Uffe
> ---
> drivers/base/power/domain.c | 3 +--
> 1 file changed, 1 insertion(+), 2 deletions(-)
>
> diff --git a/drivers/base/power/domain.c b/drivers/base/power/domain.c
> index e03b1ad..167418e 100644
> --- a/drivers/base/power/domain.c
> +++ b/drivers/base/power/domain.c
> @@ -1775,10 +1775,10 @@ int genpd_dev_pm_attach(struct device *dev)
> }
>
> pd = of_genpd_get_from_provider(&pd_args);
> + of_node_put(pd_args.np);
> if (IS_ERR(pd)) {
> dev_dbg(dev, "%s() failed to find PM domain: %ld\n",
> __func__, PTR_ERR(pd));
> - of_node_put(dev->of_node);
> return -EPROBE_DEFER;
> }
>
> @@ -1796,7 +1796,6 @@ int genpd_dev_pm_attach(struct device *dev)
> if (ret < 0) {
> dev_err(dev, "failed to add to PM domain %s: %d",
> pd->name, ret);
> - of_node_put(dev->of_node);
> goto out;
> }
>
> --
> 2.6.2
>
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
