From 1047daace0aed641d8a93cc8b6593b12040314a7 Mon Sep 17 00:00:00 2001 From: Philipp Hortmann Date: Sat, 24 Jun 2023 08:04:14 +0200 Subject: [PATCH] staging: rtl8192e: Remove variable host_encrypt as it is constant ieee->host_encrypt also named priv->rtllib->host_encrypt is initialized to 1 and then unchanged. All evaluations will result accordingly. Remove resulting dead code. Signed-off-by: Philipp Hortmann Link: https://lore.kernel.org/r/bc4ea0492306f708f0e5cac6bf0239deb3cd9a80.1687583718.git.philipp.g.hortmann@gmail.com Signed-off-by: Greg Kroah-Hartman --- drivers/staging/rtl8192e/rtl8192e/rtl_core.c | 1 - drivers/staging/rtl8192e/rtllib.h | 1 - drivers/staging/rtl8192e/rtllib_module.c | 1 - drivers/staging/rtl8192e/rtllib_softmac.c | 12 ++++-------- drivers/staging/rtl8192e/rtllib_tx.c | 3 +-- 5 files changed, 5 insertions(+), 13 deletions(-) diff --git a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c index cb0753f..838b9c8 100644 --- a/drivers/staging/rtl8192e/rtl8192e/rtl_core.c +++ b/drivers/staging/rtl8192e/rtl8192e/rtl_core.c @@ -804,7 +804,6 @@ static void _rtl92e_init_priv_variable(struct net_device *dev) priv->rtllib->iw_mode = IW_MODE_INFRA; priv->rtllib->active_scan = 1; priv->rtllib->be_scan_inprogress = false; - priv->rtllib->host_encrypt = 1; priv->rtllib->host_decrypt = 1; priv->rtllib->fts = DEFAULT_FRAG_THRESHOLD; diff --git a/drivers/staging/rtl8192e/rtllib.h b/drivers/staging/rtl8192e/rtllib.h index fdb7990..80090f8 100644 --- a/drivers/staging/rtl8192e/rtllib.h +++ b/drivers/staging/rtl8192e/rtllib.h @@ -1441,7 +1441,6 @@ struct rtllib_device { */ /* If the host performs {en,de}cryption, then set to 1 */ - int host_encrypt; int host_decrypt; int ieee802_1x; /* is IEEE 802.1X used */ diff --git a/drivers/staging/rtl8192e/rtllib_module.c b/drivers/staging/rtl8192e/rtllib_module.c index d6a4d6b4..2ad2e36 100644 --- a/drivers/staging/rtl8192e/rtllib_module.c +++ b/drivers/staging/rtl8192e/rtllib_module.c @@ -98,7 +98,6 @@ struct net_device *alloc_rtllib(int sizeof_priv) ieee->open_wep = 1; /* Default to enabling full open WEP with host based encrypt/decrypt */ - ieee->host_encrypt = 1; ieee->host_decrypt = 1; ieee->ieee802_1x = 1; /* Default to supporting 802.1x */ diff --git a/drivers/staging/rtl8192e/rtllib_softmac.c b/drivers/staging/rtl8192e/rtllib_softmac.c index c1e5127..23b33a2 100644 --- a/drivers/staging/rtl8192e/rtllib_softmac.c +++ b/drivers/staging/rtl8192e/rtllib_softmac.c @@ -807,7 +807,7 @@ static struct sk_buff *rtllib_probe_resp(struct rtllib_device *ieee, } crypt = ieee->crypt_info.crypt[ieee->crypt_info.tx_keyidx]; - encrypt = ieee->host_encrypt && crypt && crypt->ops && + encrypt = crypt && crypt->ops && ((strcmp(crypt->ops->name, "R-WEP") == 0 || wpa_ie_len)); if (ieee->ht_info->bCurrentHTSupport) { tmp_ht_cap_buf = (u8 *)&(ieee->ht_info->SelfHTCap); @@ -943,10 +943,7 @@ static struct sk_buff *rtllib_assoc_resp(struct rtllib_device *ieee, u8 *dest) assoc->capability |= cpu_to_le16(WLAN_CAPABILITY_SHORT_SLOT_TIME); - if (ieee->host_encrypt) - crypt = ieee->crypt_info.crypt[ieee->crypt_info.tx_keyidx]; - else - crypt = NULL; + crypt = ieee->crypt_info.crypt[ieee->crypt_info.tx_keyidx]; encrypt = (crypt && crypt->ops); @@ -1115,7 +1112,7 @@ rtllib_association_req(struct rtllib_network *beacon, crypt = ieee->crypt_info.crypt[ieee->crypt_info.tx_keyidx]; if (crypt != NULL) - encrypt = ieee->host_encrypt && crypt && crypt->ops && + encrypt = crypt && crypt->ops && ((strcmp(crypt->ops->name, "R-WEP") == 0 || wpa_ie_len)); else @@ -2995,8 +2992,7 @@ u8 rtllib_ap_sec_type(struct rtllib_device *ieee) crypt = ieee->crypt_info.crypt[ieee->crypt_info.tx_keyidx]; encrypt = (ieee->current_network.capability & WLAN_CAPABILITY_PRIVACY) - || (ieee->host_encrypt && crypt && crypt->ops && - (strcmp(crypt->ops->name, "R-WEP") == 0)); + || (crypt && crypt->ops && (strcmp(crypt->ops->name, "R-WEP") == 0)); /* simply judge */ if (encrypt && (wpa_ie_len == 0)) { diff --git a/drivers/staging/rtl8192e/rtllib_tx.c b/drivers/staging/rtl8192e/rtllib_tx.c index ec038ef..24fd402 100644 --- a/drivers/staging/rtl8192e/rtllib_tx.c +++ b/drivers/staging/rtl8192e/rtllib_tx.c @@ -635,8 +635,7 @@ static int rtllib_xmit_inter(struct sk_buff *skb, struct net_device *dev) skb->priority = rtllib_classify(skb, IsAmsdu); crypt = ieee->crypt_info.crypt[ieee->crypt_info.tx_keyidx]; - encrypt = !(ether_type == ETH_P_PAE && ieee->ieee802_1x) && - ieee->host_encrypt && crypt && crypt->ops; + encrypt = !(ether_type == ETH_P_PAE && ieee->ieee802_1x) && crypt && crypt->ops; if (!encrypt && ieee->ieee802_1x && ieee->drop_unencrypted && ether_type != ETH_P_PAE) { stats->tx_dropped++; -- 2.7.4