Patch "soc: imx8m: Fix incorrect check for of_clk_get_by_name()" has been added to the 6.1-stable tree

[Sasha Levin <sashal@xxxxxxxxxx>]

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

    soc: imx8m: Fix incorrect check for of_clk_get_by_name()

to the 6.1-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:
     soc-imx8m-fix-incorrect-check-for-of_clk_get_by_name.patch
and it can be found in the queue-6.1 subdirectory.

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



commit 5046833a17423d64789bbe0d9670b0e61b7e08a3
Author: Miaoqian Lin <linmq006@xxxxxxxxx>
Date:   Sat Dec 31 13:58:48 2022 +0400

    soc: imx8m: Fix incorrect check for of_clk_get_by_name()
    
    [ Upstream commit 490748874ebf1875420fc29b335bba2075dd1b5e ]
    
    of_clk_get_by_name() returns error pointers instead of NULL.
    Use IS_ERR() checks the return value to catch errors.
    
    Fixes: 836fb30949d9 ("soc: imx8m: Enable OCOTP clock before reading the register")
    Signed-off-by: Miaoqian Lin <linmq006@xxxxxxxxx>
    Signed-off-by: Shawn Guo <shawnguo@xxxxxxxxxx>
    Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>

diff --git a/drivers/soc/imx/soc-imx8m.c b/drivers/soc/imx/soc-imx8m.c
index 28144c699b0c..32ed9dc88e45 100644
--- a/drivers/soc/imx/soc-imx8m.c
+++ b/drivers/soc/imx/soc-imx8m.c
@@ -66,8 +66,8 @@ static u32 __init imx8mq_soc_revision(void)
 	ocotp_base = of_iomap(np, 0);
 	WARN_ON(!ocotp_base);
 	clk = of_clk_get_by_name(np, NULL);
-	if (!clk) {
-		WARN_ON(!clk);
+	if (IS_ERR(clk)) {
+		WARN_ON(IS_ERR(clk));
 		return 0;
 	}