4.17-stable review patch. If anyone has any objections, please let me know.
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From: Florian Fainelli f.fainelli@gmail.com
[ Upstream commit daab3349ad1a69663ccad278ed71d55974d104b4 ]
We are not releasing the link GPIO descriptor with gpiod_put() which results in subsequent probing to get -EBUSY when calling fwnode_get_named_gpiod(). Fix this by doing the release in phylink_destroy().
Fixes: 9525ae83959b ("phylink: add phylink infrastructure") Signed-off-by: Florian Fainelli f.fainelli@gmail.com Signed-off-by: David S. Miller davem@davemloft.net Signed-off-by: Sasha Levin alexander.levin@microsoft.com Signed-off-by: Greg Kroah-Hartman gregkh@linuxfoundation.org --- drivers/net/phy/phylink.c | 2 ++ 1 file changed, 2 insertions(+)
--- a/drivers/net/phy/phylink.c +++ b/drivers/net/phy/phylink.c @@ -612,6 +612,8 @@ void phylink_destroy(struct phylink *pl) { if (pl->sfp_bus) sfp_unregister_upstream(pl->sfp_bus); + if (!IS_ERR(pl->link_gpio)) + gpiod_put(pl->link_gpio);
cancel_work_sync(&pl->resolve); kfree(pl);