Commit ec348676 authored Jul 26, 2023 by Yuanjun Gong Committed by Greg Kroah-Hartman Sep 23, 2023

Bluetooth: nokia: fix value check in nokia_bluetooth_serdev_probe()



[ Upstream commit e8b5aed31355072faac8092ead4938ddec3111fd ]

in nokia_bluetooth_serdev_probe(), check the return value of
clk_prepare_enable() and return the error code if
clk_prepare_enable() returns an unexpected value.

Fixes: 7bb31868 ("Bluetooth: add nokia driver")
Signed-off-by: Yuanjun Gong <ruc_gongyuanjun@163.com>
Signed-off-by: Luiz Augusto von Dentz <luiz.von.dentz@intel.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>

parent 0ce06035

drivers/bluetooth/hci_nokia.c

+5 −1

Original line number	Diff line number	Diff line
		@@ -734,7 +734,11 @@ static int nokia_bluetooth_serdev_probe(struct serdev_device *serdev)
		return err;
		}

		clk_prepare_enable(sysclk);
		err = clk_prepare_enable(sysclk);
		if (err) {
		dev_err(dev, "could not enable sysclk: %d", err);
		return err;
		}
		btdev->sysclk_speed = clk_get_rate(sysclk);
		clk_disable_unprepare(sysclk);