linux-kernel - [PATCH 11/11] staging: rtl8192e: Remove variable ieee->short

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Date:   Sat, 24 Jun 2023 08:04:52 +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 11/11] staging: rtl8192e: Remove variable ieee->short_slot

ieee->short_slot also named priv->rtllib->short_slot is initialized to 1
and then unchanged. All evaluations will result accordingly. Remove
resulting dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@...il.com>
---
 drivers/staging/rtl8192e/rtl8192e/rtl_core.c |  1 -
 drivers/staging/rtl8192e/rtllib.h            |  1 -
 drivers/staging/rtl8192e/rtllib_softmac.c    | 10 +++-------
 3 files changed, 3 insertions(+), 9 deletions(-)

diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
index a24527585166..aaff8d739efe 100644
--- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
+++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c
@@ -774,7 +774,6 @@ static void _rtl92e_init_priv_variable(struct net_device *dev)
 	priv->retry_data = DEFAULT_RETRY_DATA;
 	priv->rtllib->rts = DEFAULT_RTS_THRESHOLD;
 	priv->rtllib->rate = 110;
-	priv->rtllib->short_slot = 1;
 	priv->promisc = (dev->flags & IFF_PROMISC) ? 1 : 0;
 	priv->bcck_in_ch14 = false;
 	priv->cck_present_attn = 0;
diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h
index c7f800a0c48c..aa8abec390ca 100644
--- a/drivers/staging/rtl8192e/rtllib.h
+++ b/drivers/staging/rtl8192e/rtllib.h
@@ -1486,7 +1486,6 @@ struct rtllib_device {
 
 	enum rtl_link_state link_state;
 
-	int short_slot;
 	int mode;       /* A, B, G */
 
 	/* used for forcing the ibss workqueue to terminate
diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c
index 23b33a239703..584371f0ce57 100644
--- a/drivers/staging/rtl8192e/rtllib_softmac.c
+++ b/drivers/staging/rtl8192e/rtllib_softmac.c
@@ -852,8 +852,7 @@ static struct sk_buff *rtllib_probe_resp(struct rtllib_device *ieee,
 		cpu_to_le16(ieee->current_network.capability &
 		WLAN_CAPABILITY_SHORT_PREAMBLE);
 
-	if (ieee->short_slot && (ieee->current_network.capability &
-	    WLAN_CAPABILITY_SHORT_SLOT_TIME))
+	if (ieee->current_network.capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)
 		beacon_buf->capability |=
 			cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME);
 
@@ -939,9 +938,7 @@ static struct sk_buff *rtllib_assoc_resp(struct rtllib_device *ieee, u8 *dest)
 	assoc->capability = cpu_to_le16(ieee->iw_mode == IW_MODE_MASTER ?
 		WLAN_CAPABILITY_ESS : WLAN_CAPABILITY_IBSS);
 
-	if (ieee->short_slot)
-		assoc->capability |=
-				 cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME);
+	assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME);
 
 	crypt = ieee->crypt_info.crypt[ieee->crypt_info.tx_keyidx];
 
@@ -1190,8 +1187,7 @@ rtllib_association_req(struct rtllib_network *beacon,
 	if (beacon->capability & WLAN_CAPABILITY_SHORT_PREAMBLE)
 		hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_PREAMBLE);
 
-	if (ieee->short_slot &&
-	   (beacon->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME))
+	if (beacon->capability & WLAN_CAPABILITY_SHORT_SLOT_TIME)
 		hdr->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME);
 
 	hdr->listen_interval = cpu_to_le16(beacon->listen_interval);
-- 
2.41.0