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dev/pipe: cleanup

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This commit is contained in:
Grissiom 2013-08-19 16:25:17 +08:00
parent e8cca2315a
commit 0340300f89
1 changed files with 0 additions and 3 deletions
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3
components/drivers/src/pipe.c
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@ -126,7 +126,6 @@ static void _rt_pipe_resume_reader(struct rt_pipe_device *pipe)
} }
} }
struct rt_pipe_device *_pipe = RT_NULL;
static rt_size_t rt_pipe_write(rt_device_t dev, static rt_size_t rt_pipe_write(rt_device_t dev,
rt_off_t pos, rt_off_t pos,
const void *buffer, const void *buffer,
@ -139,8 +138,6 @@ static rt_size_t rt_pipe_write(rt_device_t dev,
pipe = PIPE_DEVICE(dev); pipe = PIPE_DEVICE(dev);
RT_ASSERT(pipe != RT_NULL); RT_ASSERT(pipe != RT_NULL);
if (_pipe == RT_NULL)
_pipe = pipe;
if ((pipe->flag & RT_PIPE_FLAG_FORCE_WR) || if ((pipe->flag & RT_PIPE_FLAG_FORCE_WR) ||
!(pipe->flag & RT_PIPE_FLAG_BLOCK_WR)) !(pipe->flag & RT_PIPE_FLAG_BLOCK_WR))