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Message-Id: <20200915140653.691038767@linuxfoundation.org>
Date: Tue, 15 Sep 2020 16:11:12 +0200
From: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To: linux-kernel@...r.kernel.org
Cc: Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
stable@...r.kernel.org, Jing Xiangfeng <jingxiangfeng@...wei.com>,
Tony Lindgren <tony@...mide.com>,
Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.8 001/177] ARM: OMAP2+: Fix an IS_ERR() vs NULL check in _get_pwrdm()
From: Jing Xiangfeng <jingxiangfeng@...wei.com>
[ Upstream commit a58cfdba2039ff2d5758840e97a23a2dedecf1e8 ]
The of_clk_get() function returns error pointers, it never returns NULL.
Fixes: 4ea3711aece4 ("ARM: OMAP2+: omap-iommu.c conversion to ti-sysc")
Signed-off-by: Jing Xiangfeng <jingxiangfeng@...wei.com>
Signed-off-by: Tony Lindgren <tony@...mide.com>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
arch/arm/mach-omap2/omap-iommu.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/arch/arm/mach-omap2/omap-iommu.c b/arch/arm/mach-omap2/omap-iommu.c
index 54aff33e55e6e..bfa5e1b8dba7f 100644
--- a/arch/arm/mach-omap2/omap-iommu.c
+++ b/arch/arm/mach-omap2/omap-iommu.c
@@ -74,7 +74,7 @@ static struct powerdomain *_get_pwrdm(struct device *dev)
return pwrdm;
clk = of_clk_get(dev->of_node->parent, 0);
- if (!clk) {
+ if (IS_ERR(clk)) {
dev_err(dev, "no fck found\n");
return NULL;
}
--
2.25.1
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