diff options
| author | Jiasheng Jiang <jiasheng@iscas.ac.cn> | 2022-11-23 09:36:51 +0300 |
|---|---|---|
| committer | Marc Kleine-Budde <mkl@pengutronix.de> | 2022-11-24 18:10:18 +0300 |
| commit | 68b4f9e0bdd0f920d7303d07bfe226cd0976961d (patch) | |
| tree | 09b65110b30e704ccec05411f2c5529543491ab4 /drivers/net/can/m_can/m_can.c | |
| parent | 1eca1d4cc21b6d0fc5f9a390339804c0afce9439 (diff) | |
| download | linux-68b4f9e0bdd0f920d7303d07bfe226cd0976961d.tar.xz | |
can: m_can: Add check for devm_clk_get
Since the devm_clk_get may return error,
it should be better to add check for the cdev->hclk,
as same as cdev->cclk.
Fixes: f524f829b75a ("can: m_can: Create a m_can platform framework")
Signed-off-by: Jiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/all/20221123063651.26199-1-jiasheng@iscas.ac.cn
Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
Diffstat (limited to 'drivers/net/can/m_can/m_can.c')
| -rw-r--r-- | drivers/net/can/m_can/m_can.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c index 00d11e95fd98..e5575d2755e4 100644 --- a/drivers/net/can/m_can/m_can.c +++ b/drivers/net/can/m_can/m_can.c @@ -1909,7 +1909,7 @@ int m_can_class_get_clocks(struct m_can_classdev *cdev) cdev->hclk = devm_clk_get(cdev->dev, "hclk"); cdev->cclk = devm_clk_get(cdev->dev, "cclk"); - if (IS_ERR(cdev->cclk)) { + if (IS_ERR(cdev->hclk) || IS_ERR(cdev->cclk)) { dev_err(cdev->dev, "no clock found\n"); ret = -ENODEV; } |