Remove tx_retevt from struct xmit_priv. This semaphore is initialised but
not used.

Signed-off-by: Martin Kaiser <martin@kaiser.cx>
---
 drivers/staging/r8188eu/core/rtw_xmit.c    | 2 --
 drivers/staging/r8188eu/include/rtw_xmit.h | 1 -
 2 files changed, 3 deletions(-)

diff --git a/drivers/staging/r8188eu/core/rtw_xmit.c b/drivers/staging/r8188eu/core/rtw_xmit.c
index ca6a1f4298a4..eb47d8276eec 100644
--- a/drivers/staging/r8188eu/core/rtw_xmit.c
+++ b/drivers/staging/r8188eu/core/rtw_xmit.c
@@ -196,8 +196,6 @@ int _rtw_init_xmit_priv(struct xmit_priv *pxmitpriv, struct adapter *padapter)
 
 	pxmitpriv->txirp_cnt = 1;
 
-	sema_init(&pxmitpriv->tx_retevt, 0);
-
 	/* per AC pending irp */
 	pxmitpriv->beq_cnt = 0;
 	pxmitpriv->bkq_cnt = 0;
diff --git a/drivers/staging/r8188eu/include/rtw_xmit.h b/drivers/staging/r8188eu/include/rtw_xmit.h
index ef1b7123e557..719424dd8a49 100644
--- a/drivers/staging/r8188eu/include/rtw_xmit.h
+++ b/drivers/staging/r8188eu/include/rtw_xmit.h
@@ -280,7 +280,6 @@ struct	xmit_priv {
 	u8	wmm_para_seq[4];/* sequence for wmm ac parameter strength
 				 * from large to small. it's value is 0->vo,
 				 * 1->vi, 2->be, 3->bk. */
-	struct semaphore tx_retevt;/* all tx return event; */
 	u8		txirp_cnt;/*  */
 	struct tasklet_struct xmit_tasklet;
 	/* per AC pending irp */
-- 
2.30.2