Commit 68b4f9e0 authored by 蒋家盛's avatar 蒋家盛 Committed by Marc Kleine-Budde
Browse files

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: f524f829 ("can: m_can: Create a m_can platform framework")
Signed-off-by: default avatarJiasheng Jiang <jiasheng@iscas.ac.cn>
Link: https://lore.kernel.org/all/20221123063651.26199-1-jiasheng@iscas.ac.cn


Signed-off-by: default avatarMarc Kleine-Budde <mkl@pengutronix.de>
parent 1eca1d4c

drivers/net/can/m_can/m_can.c

+1 −1
Original line number Diff line number Diff line
@@ -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;

	}