staging: rtl8188eu: Remove unused functions rtw_cbuf_[full, empty, push, pop]() (67db20f0) · Commits · e / devices / android_kernel_fairphone_FP4

drivers/staging/rtl8188eu/include/osdep_service.h

+0 −6

Original line number	Original line	Diff line number	Diff line
	@@ -194,10 +194,4 @@ struct rtw_cbuf {
	u32 size;		u32 size;
	void *bufs[0];		void *bufs[0];
	};		};

	bool rtw_cbuf_full(struct rtw_cbuf *cbuf);
	bool rtw_cbuf_empty(struct rtw_cbuf *cbuf);
	bool rtw_cbuf_push(struct rtw_cbuf cbuf, void buf);
	void rtw_cbuf_pop(struct rtw_cbuf cbuf);

	#endif		#endif

+0 −65

Original line number	Original line	Diff line number	Diff line
	@@ -163,68 +163,3 @@ void rtw_buf_update(u8 *buf, u32 buf_len, u8 *src, u32 src_len)
	/* free ori */		/* free ori */
	kfree(ori);		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
	*
	* Returns: true if cbuf is empty
	*/
	inline bool rtw_cbuf_empty(struct rtw_cbuf *cbuf)
	{
	return (cbuf->write == cbuf->read) ? true : false;
	}

	/**
	* rtw_cbuf_push - push a pointer into cbuf
	* @cbuf: pointer of struct rtw_cbuf
	* @buf: pointer to push in
	*
	* Lock free operation, be careful of the use scheme
	* Returns: true push success
	*/
	bool rtw_cbuf_push(struct rtw_cbuf cbuf, void buf)
	{
	if (rtw_cbuf_full(cbuf))
	return _FAIL;

	if (0)
	DBG_88E("%s on %u\n", __func__, cbuf->write);
	cbuf->bufs[cbuf->write] = buf;
	cbuf->write = (cbuf->write+1)%cbuf->size;

	return _SUCCESS;
	}

	/**
	* rtw_cbuf_pop - pop a pointer from cbuf
	* @cbuf: pointer of struct rtw_cbuf
	*
	* Lock free operation, be careful of the use scheme
	* Returns: pointer popped out
	*/
	void rtw_cbuf_pop(struct rtw_cbuf cbuf)
	{
	void *buf;
	if (rtw_cbuf_empty(cbuf))
	return NULL;

	if (0)
	DBG_88E("%s on %u\n", __func__, cbuf->read);
	buf = cbuf->bufs[cbuf->read];
	cbuf->read = (cbuf->read+1)%cbuf->size;

	return buf;
	}