staging: r8188eu: remove rtw_cbuf_full()

Function rtw_cbuf_full() is not used, remove it.
Signed-off-by: Michael Straube <straube.linux@gmail.com>
Link: https://lore.kernel.org/r/20210922200420.9693-28-straube.linux@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/r8188eu/include/osdep_service.h

@@ -292,7 +292,6 @@ struct rtw_cbuf {
 	void *bufs[0];
 };
 
-bool rtw_cbuf_full(struct rtw_cbuf *cbuf);
 bool rtw_cbuf_empty(struct rtw_cbuf *cbuf);
 void *rtw_cbuf_pop(struct rtw_cbuf *cbuf);
 struct rtw_cbuf *rtw_cbuf_alloc(u32 size);

drivers/staging/r8188eu/os_dep/osdep_service.c

@@ -223,17 +223,6 @@ void rtw_buf_update(u8 **buf, u32 *buf_len, u8 *src, u32 src_len)
 	kfree(ori);
 }
 
-/**
- * rtw_cbuf_full - test if cbuf is full
- * @cbuf: pointer of struct rtw_cbuf
- *
- * Returns: true if cbuf is full
- */
-inline bool rtw_cbuf_full(struct rtw_cbuf *cbuf)
-{
-	return (cbuf->write == cbuf->read - 1) ? true : false;
-}
-
 /**
  * rtw_cbuf_empty - test if cbuf is empty
  * @cbuf: pointer of struct rtw_cbuf