diff options
Diffstat (limited to 'src/device.c')
| -rw-r--r-- | src/device.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/device.c b/src/device.c index 957d41551c..47482b50d3 100644 --- a/src/device.c +++ b/src/device.c @@ -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 */ 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) { |