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[kernel] fix device_open oflag comparison error. (#7512)

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guo 2023-05-16 18:46:42 +08:00 committed by GitHub
parent de567b8fb3
commit 12a4bb154a
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src/device.c
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@ -235,7 +235,7 @@ rt_err_t rt_device_open(rt_device_t dev, rt_uint16_t oflag)
/* device is not opened or opened by other oflag, call device_open interface */ /* device is not opened or opened by other oflag, call device_open interface */
if (!(dev->open_flag & RT_DEVICE_OFLAG_OPEN) || if (!(dev->open_flag & RT_DEVICE_OFLAG_OPEN) ||
((dev->open_flag & RT_DEVICE_OFLAG_MASK) | (oflag & RT_DEVICE_OFLAG_MASK))) ((dev->open_flag & RT_DEVICE_OFLAG_MASK) != (oflag & RT_DEVICE_OFLAG_MASK)))
{ {
if (device_open != RT_NULL) if (device_open != RT_NULL)
{ {