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* [PATCH] ARM: OMAP2+: Fix an IS_ERR() vs NULL check in _get_pwrdm()
@ 2020-07-24  3:54 Jing Xiangfeng
  0 siblings, 0 replies; only message in thread
From: Jing Xiangfeng @ 2020-07-24  3:54 UTC (permalink / raw)
  To: tony, linux, t-kristo
  Cc: linux-arm-kernel, linux-omap, linux-kernel, jingxiangfeng

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@huawei.com>
---
 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 54aff33e55e6..bfa5e1b8dba7 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;
 	}
-- 
2.17.1


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2020-07-24  3:54 [PATCH] ARM: OMAP2+: Fix an IS_ERR() vs NULL check in _get_pwrdm() Jing Xiangfeng

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