[components/drivers] update pipe.c
Fixed stackover flow bug when create pipe->fifo
@@ -330,6 +330,11 @@ rt_err_t rt_pipe_open (rt_device_t device, rt_uint16_t oflag)
if (pipe->fifo == RT_NULL)
{
pipe->fifo = rt_ringbuffer_create(pipe->bufsz);
+ if (pipe->fifo == RT_NULL)
+ {
+ rt_mutex_release(&(pipe->lock));
+ return -RT_ENOMEM;
+ }
}
rt_mutex_release(&(pipe->lock));
