linux-kernel - [PATCH 26/47] staging: r8188eu: remove rtw_cbuf

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Date:   Wed, 22 Sep 2021 22:03:59 +0200
From:   Michael Straube <straube.linux@...il.com>
To:     gregkh@...uxfoundation.org
Cc:     Larry.Finger@...inger.net, phil@...lpotter.co.uk,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org,
        Michael Straube <straube.linux@...il.com>
Subject: [PATCH 26/47] staging: r8188eu: remove rtw_cbuf_push()

Function rtw_cbuf_push() is not used, remove it.

Signed-off-by: Michael Straube <straube.linux@...il.com>
---
 .../staging/r8188eu/include/osdep_service.h   |  1 -
 .../staging/r8188eu/os_dep/osdep_service.c    | 21 -------------------
 2 files changed, 22 deletions(-)

diff --git a/drivers/staging/r8188eu/include/osdep_service.h b/drivers/staging/r8188eu/include/osdep_service.h
index b9b87f2317a1..59747822148e 100644
--- a/drivers/staging/r8188eu/include/osdep_service.h
+++ b/drivers/staging/r8188eu/include/osdep_service.h
@@ -294,7 +294,6 @@ struct rtw_cbuf {
 
 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);
 struct rtw_cbuf *rtw_cbuf_alloc(u32 size);
 int wifirate2_ratetbl_inx(unsigned char rate);
diff --git a/drivers/staging/r8188eu/os_dep/osdep_service.c b/drivers/staging/r8188eu/os_dep/osdep_service.c
index 489a7d33b212..8b0c8429e836 100644
--- a/drivers/staging/r8188eu/os_dep/osdep_service.c
+++ b/drivers/staging/r8188eu/os_dep/osdep_service.c
@@ -245,27 +245,6 @@ 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
-- 
2.33.0