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Bluetooth: nokia: fix value check in nokia_bluetooth_serdev_probe() 

[ Upstream commit e8b5aed313 ]

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: 7bb318680e ("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>
This commit is contained in:
Yuanjun Gong 2023-07-26 21:30:00 +08:00 committed by Greg Kroah-Hartman
parent c4cb61c5f9
commit 9246d9310c
1 changed files with 5 additions and 1 deletions
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6
drivers/bluetooth/hci_nokia.c
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@ -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);