lkml.org 
[lkml]   [2020]   [Jul]   [12]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH] arm: omap-iommu: fix return value check in _get_pwrdm()
Date
In case of error, function of_clk_get() returns ERR_PTR()
and never returns NULL. The NULL test in the return value
check should be replaced with IS_ERR().

Signed-off-by: Xu Wang <vulab@iscas.ac.cn>
---
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
\
 
 \ /
  Last update: 2020-07-13 04:50    [W:0.021 / U:1.452 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site