linux-kernel - [PATCH 3/8] staging: rtl8192e: Remove unused function rtl92e_cam

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Date:   Mon, 2 Oct 2023 19:53:20 +0200
From:   Philipp Hortmann <philipp.g.hortmann@...il.com>
To:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-staging@...ts.linux.dev, linux-kernel@...r.kernel.org
Subject: [PATCH 3/8] staging: rtl8192e: Remove unused function
 rtl92e_cam_restore()

rtl92e_cam_restore() is unused. Remove dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@...il.com>
---
 drivers/staging/rtl8192e/rtl8192e/rtl_cam.c | 63 ---------------------
 drivers/staging/rtl8192e/rtl8192e/rtl_cam.h |  1 -
 2 files changed, 64 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c b/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c
index 14b48cacfbbd..9b280cee0ac1 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_cam.c
@@ -121,66 +121,3 @@ void rtl92e_set_key(struct net_device *dev, u8 EntryNo, u8 KeyIndex,
 		}
 	}
 }
-
-void rtl92e_cam_restore(struct net_device *dev)
-{
-	u8 EntryId = 0;
-	struct r8192_priv *priv = rtllib_priv(dev);
-	u8 *MacAddr = priv->rtllib->current_network.bssid;
-
-	static u8	CAM_CONST_ADDR[4][6] = {
-		{0x00, 0x00, 0x00, 0x00, 0x00, 0x00},
-		{0x00, 0x00, 0x00, 0x00, 0x00, 0x01},
-		{0x00, 0x00, 0x00, 0x00, 0x00, 0x02},
-		{0x00, 0x00, 0x00, 0x00, 0x00, 0x03}
-	};
-	static u8	CAM_CONST_BROAD[] = {
-		0xff, 0xff, 0xff, 0xff, 0xff, 0xff
-	};
-
-	if ((priv->rtllib->pairwise_key_type == KEY_TYPE_WEP40) ||
-	    (priv->rtllib->pairwise_key_type == KEY_TYPE_WEP104)) {
-		for (EntryId = 0; EntryId < 4; EntryId++) {
-			MacAddr = CAM_CONST_ADDR[EntryId];
-			if (priv->rtllib->swcamtable[EntryId].bused) {
-				rtl92e_set_key(dev, EntryId, EntryId,
-					       priv->rtllib->pairwise_key_type,
-					       MacAddr, 0,
-					       (u32 *)(&priv->rtllib->swcamtable
-						       [EntryId].key_buf[0]));
-			}
-		}
-
-	} else if (priv->rtllib->pairwise_key_type == KEY_TYPE_TKIP) {
-		rtl92e_set_key(dev, 4, 0,
-			       priv->rtllib->pairwise_key_type,
-			       MacAddr, 0,
-			       (u32 *)(&priv->rtllib->swcamtable[4].key_buf[0]));
-	} else if (priv->rtllib->pairwise_key_type == KEY_TYPE_CCMP) {
-		rtl92e_set_key(dev, 4, 0,
-			       priv->rtllib->pairwise_key_type, MacAddr,
-			       0, (u32 *)(&priv->rtllib->swcamtable[4].key_buf[0]));
-	}
-
-	if (priv->rtllib->group_key_type == KEY_TYPE_TKIP) {
-		MacAddr = CAM_CONST_BROAD;
-		for (EntryId = 1; EntryId < 4; EntryId++) {
-			if (priv->rtllib->swcamtable[EntryId].bused) {
-				rtl92e_set_key(dev, EntryId, EntryId,
-					       priv->rtllib->group_key_type,
-					       MacAddr, 0,
-					       (u32 *)(&priv->rtllib->swcamtable[EntryId].key_buf[0]));
-			}
-		}
-	} else if (priv->rtllib->group_key_type == KEY_TYPE_CCMP) {
-		MacAddr = CAM_CONST_BROAD;
-		for (EntryId = 1; EntryId < 4; EntryId++) {
-			if (priv->rtllib->swcamtable[EntryId].bused) {
-				rtl92e_set_key(dev, EntryId, EntryId,
-					       priv->rtllib->group_key_type,
-					       MacAddr, 0,
-					       (u32 *)(&priv->rtllib->swcamtable[EntryId].key_buf[0]));
-			}
-		}
-	}
-}
diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_cam.h b/drivers/staging/rtl8192e/rtl8192e/rtl_cam.h
index bd33ef105107..615b84bca9b8 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_cam.h
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_cam.h
@@ -20,6 +20,5 @@ void rtl92e_set_key(struct net_device *dev, u8 EntryNo, u8 KeyIndex,
 		    u32 *KeyContent);
 void rtl92e_set_swcam(struct net_device *dev, u8 EntryNo, u8 KeyIndex,
 		      u16 KeyType, const u8 *MacAddr, u32 *KeyContent);
-void rtl92e_cam_restore(struct net_device *dev);
 
 #endif
-- 
2.42.0