soc: imx8m: Fix incorrect check for of_clk_get_by_name()
authorMiaoqian Lin <linmq006@gmail.com>
Sat, 31 Dec 2022 09:58:48 +0000 (13:58 +0400)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 1 Feb 2023 07:34:05 +0000 (08:34 +0100)
commit9eea16953ec1c66b4ad58dd8ecb056e1b4f8681c
treea1adc5426b0143dd2b6cbfd1691b522251d27742
parentc47e53679af1d2ad60607f521b385f0d7c5654e8
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@gmail.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
drivers/soc/imx/soc-imx8m.c