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| author | Yuanjun Gong <ruc_gongyuanjun@163.com> | 2023-07-26 21:30:00 +0800 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2023-09-23 10:48:00 +0200 |
| commit | 604cacbff4f777af04dc4f08f2fe8a79aa749882 (patch) | |
| tree | cea7a134d771a29948e8a7ff3b8a3637e13144aa /drivers | |
| parent | ad0ab08c364ee36922cd50d8d7de83fd45fdf085 (diff) | |
| download | linux-stable-604cacbff4f777af04dc4f08f2fe8a79aa749882.tar.gz linux-stable-604cacbff4f777af04dc4f08f2fe8a79aa749882.tar.bz2 linux-stable-604cacbff4f777af04dc4f08f2fe8a79aa749882.zip | |
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: 7bb318680e86 ("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>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/bluetooth/hci_nokia.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/drivers/bluetooth/hci_nokia.c b/drivers/bluetooth/hci_nokia.c index 2dc33e65d2d0..5f6c6930b5bd 100644 --- a/drivers/bluetooth/hci_nokia.c +++ b/drivers/bluetooth/hci_nokia.c @@ -743,7 +743,11 @@ 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); |