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authorKE1VG8CBMISQ6ED\Administrator <[email protected]>2018-12-08 22:56:34 +0800
committerKE1VG8CBMISQ6ED\Administrator <[email protected]>2018-12-08 22:56:34 +0800
commit895fb5c1a9618a1cc199f4c806a2ba115b004038 (patch)
treece46cd67f36dda7ca67cf7ae54d282bf8359c890 /components
parent506ccc573cf43c337bbd1069f146eabb3cd113dd (diff)
Update adc.c
check fun is NULL, error
Diffstat (limited to 'components')
-rw-r--r--components/drivers/misc/adc.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/components/drivers/misc/adc.c b/components/drivers/misc/adc.c
index aa3a3b7801..83e789a6e4 100644
--- a/components/drivers/misc/adc.c
+++ b/components/drivers/misc/adc.c
@@ -46,7 +46,7 @@ static rt_err_t _adc_control(rt_device_t dev, int cmd, void *args)
rt_err_t result = RT_EOK;
rt_adc_device_t adc = (struct rt_adc_device *)dev;
- if (adc->ops->enabled != RT_NULL)
+ if (adc->ops->enabled == RT_NULL)
{
return -RT_ENOSYS;
}