Commit aa3aff5b authored by Florian Fainelli's avatar Florian Fainelli Committed by Greg Kroah-Hartman

net: phy: phylink: Don't release NULL GPIO

[ Upstream commit 3bcd4772 ]

If CONFIG_GPIOLIB is disabled, gpiod_put() becomes a stub that produces a
warning, this helped identify that we could be attempting to release a NULL
pl->link_gpio GPIO descriptor, so guard against that.

Fixes: daab3349 ("net: phy: phylink: Release link GPIO")
Signed-off-by: default avatarFlorian Fainelli <f.fainelli@gmail.com>
Reviewed-by: default avatarAndrew Lunn <andrew@lunn.ch>
Signed-off-by: default avatarDavid S. Miller <davem@davemloft.net>
Signed-off-by: default avatarSasha Levin <sashal@kernel.org>
parent f72388e3
......@@ -561,7 +561,7 @@ void phylink_destroy(struct phylink *pl)
{
if (pl->sfp_bus)
sfp_unregister_upstream(pl->sfp_bus);
if (!IS_ERR(pl->link_gpio))
if (!IS_ERR_OR_NULL(pl->link_gpio))
gpiod_put(pl->link_gpio);
cancel_work_sync(&pl->resolve);
......
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