Patch "can: m_can: Add check for devm_clk_get" has been added to the 6.0-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

This is a note to let you know that I've just added the patch titled

    can: m_can: Add check for devm_clk_get

to the 6.0-stable tree which can be found at:
    http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary

The filename of the patch is:
     can-m_can-add-check-for-devm_clk_get.patch
and it can be found in the queue-6.0 subdirectory.

If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.



commit 58c3bb62a627a0a4e738e7ee8a7d84eee999cec5
Author: Jiasheng Jiang <jiasheng@xxxxxxxxxxx>
Date:   Wed Nov 23 14:36:51 2022 +0800

    can: m_can: Add check for devm_clk_get
    
    [ Upstream commit 68b4f9e0bdd0f920d7303d07bfe226cd0976961d ]
    
    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@xxxxxxxxxxx>
    Link: https://lore.kernel.org/all/20221123063651.26199-1-jiasheng@xxxxxxxxxxx
    Signed-off-by: Marc Kleine-Budde <mkl@xxxxxxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/net/can/m_can/m_can.c b/drivers/net/can/m_can/m_can.c
index 4dc67fdfcdb9..153d8fd08bd8 100644
--- a/drivers/net/can/m_can/m_can.c
+++ b/drivers/net/can/m_can/m_can.c
@@ -1910,7 +1910,7 @@ 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;
 	}