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-rw-r--r--components/drivers/src/pipe.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/components/drivers/src/pipe.c b/components/drivers/src/pipe.c
index 1d803e9a4c..89b544bc4e 100644
--- a/components/drivers/src/pipe.c
+++ b/components/drivers/src/pipe.c
@@ -439,7 +439,7 @@ const static struct rt_device_ops pipe_ops =
rt_pipe_write,
rt_pipe_control,
};
-#endif
+#endif /* RT_USING_DEVICE_OPS */
rt_pipe_t *rt_pipe_create(const char *name, int bufsz)
{
@@ -481,7 +481,7 @@ rt_pipe_t *rt_pipe_create(const char *name, int bufsz)
}
#ifdef RT_USING_POSIX_DEVIO
dev->fops = (void*)&pipe_fops;
-#endif
+#endif /* RT_USING_POSIX_DEVIO */
return pipe;
}