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Subject[PATCH] can: m_can: Add check for devm_clk_get
Date
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>
---
drivers/net/can/m_can/m_can.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

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;
}
--
2.25.1
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