Commit 0915cba3 authored by Rajkumar Manoharan's avatar Rajkumar Manoharan Committed by John W. Linville

mac80211: Fix warnings due to -Wunused-but-set-variable

These warnings are exposed by gcc 4.6.
net/mac80211/sta_info.c: In function 'sta_info_cleanup_expire_buffered':
net/mac80211/sta_info.c:590:32: warning: variable 'sdata' set but not used
net/mac80211/ibss.c: In function 'ieee80211_rx_mgmt_auth_ibss':
net/mac80211/ibss.c:43:34: warning: variable 'status_code' set but not used
net/mac80211/work.c: In function 'ieee80211_send_assoc':
net/mac80211/work.c:203:9: warning: variable 'len' set but not used
net/mac80211/tx.c: In function '__ieee80211_parse_tx_radiotap':
net/mac80211/tx.c:1039:35: warning: variable 'sband' set but not used
net/mac80211/mesh.c: In function 'ieee80211_mesh_rx_queued_mgmt':
net/mac80211/mesh.c:616:28: warning: variable 'ifmsh' set but not used
 ...
Signed-off-by: default avatarRajkumar Manoharan <rmanoharan@atheros.com>
Signed-off-by: default avatarJohn W. Linville <linville@tuxdriver.com>
parent 334df731
......@@ -54,13 +54,12 @@ void ieee80211_aes_ccm_encrypt(struct crypto_cipher *tfm, u8 *scratch,
u8 *cdata, u8 *mic)
{
int i, j, last_len, num_blocks;
u8 *pos, *cpos, *b, *s_0, *e, *b_0, *aad;
u8 *pos, *cpos, *b, *s_0, *e, *b_0;
b = scratch;
s_0 = scratch + AES_BLOCK_LEN;
e = scratch + 2 * AES_BLOCK_LEN;
b_0 = scratch + 3 * AES_BLOCK_LEN;
aad = scratch + 4 * AES_BLOCK_LEN;
num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_LEN);
last_len = data_len % AES_BLOCK_LEN;
......@@ -94,13 +93,12 @@ int ieee80211_aes_ccm_decrypt(struct crypto_cipher *tfm, u8 *scratch,
u8 *cdata, size_t data_len, u8 *mic, u8 *data)
{
int i, j, last_len, num_blocks;
u8 *pos, *cpos, *b, *s_0, *a, *b_0, *aad;
u8 *pos, *cpos, *b, *s_0, *a, *b_0;
b = scratch;
s_0 = scratch + AES_BLOCK_LEN;
a = scratch + 2 * AES_BLOCK_LEN;
b_0 = scratch + 3 * AES_BLOCK_LEN;
aad = scratch + 4 * AES_BLOCK_LEN;
num_blocks = DIV_ROUND_UP(data_len, AES_BLOCK_LEN);
last_len = data_len % AES_BLOCK_LEN;
......
......@@ -40,7 +40,7 @@ static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata,
struct ieee80211_mgmt *mgmt,
size_t len)
{
u16 auth_alg, auth_transaction, status_code;
u16 auth_alg, auth_transaction;
lockdep_assert_held(&sdata->u.ibss.mtx);
......@@ -49,7 +49,6 @@ static void ieee80211_rx_mgmt_auth_ibss(struct ieee80211_sub_if_data *sdata,
auth_alg = le16_to_cpu(mgmt->u.auth.auth_alg);
auth_transaction = le16_to_cpu(mgmt->u.auth.auth_transaction);
status_code = le16_to_cpu(mgmt->u.auth.status_code);
/*
* IEEE 802.11 standard does not require authentication in IBSS
......@@ -527,8 +526,6 @@ static void ieee80211_sta_merge_ibss(struct ieee80211_sub_if_data *sdata)
static void ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata)
{
struct ieee80211_if_ibss *ifibss = &sdata->u.ibss;
struct ieee80211_local *local = sdata->local;
struct ieee80211_supported_band *sband;
u8 bssid[ETH_ALEN];
u16 capability;
int i;
......@@ -551,8 +548,6 @@ static void ieee80211_sta_create_ibss(struct ieee80211_sub_if_data *sdata)
printk(KERN_DEBUG "%s: Creating new IBSS network, BSSID %pM\n",
sdata->name, bssid);
sband = local->hw.wiphy->bands[ifibss->channel->band];
capability = WLAN_CAPABILITY_IBSS;
if (ifibss->privacy)
......
......@@ -613,12 +613,9 @@ void ieee80211_mesh_rx_queued_mgmt(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb)
{
struct ieee80211_rx_status *rx_status;
struct ieee80211_if_mesh *ifmsh;
struct ieee80211_mgmt *mgmt;
u16 stype;
ifmsh = &sdata->u.mesh;
rx_status = IEEE80211_SKB_RXCB(skb);
mgmt = (struct ieee80211_mgmt *) skb->data;
stype = le16_to_cpu(mgmt->frame_control) & IEEE80211_FCTL_STYPE;
......
......@@ -633,7 +633,6 @@ static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata,
struct mesh_path *mpath;
u8 ttl;
u8 *ta, *target_addr;
u8 target_flags;
u32 target_sn;
u16 target_rcode;
......@@ -644,7 +643,6 @@ static void hwmp_perr_frame_process(struct ieee80211_sub_if_data *sdata,
return;
}
ttl--;
target_flags = PERR_IE_TARGET_FLAGS(perr_elem);
target_addr = PERR_IE_TARGET_ADDR(perr_elem);
target_sn = PERR_IE_TARGET_SN(perr_elem);
target_rcode = PERR_IE_TARGET_RCODE(perr_elem);
......@@ -675,12 +673,10 @@ static void hwmp_rann_frame_process(struct ieee80211_sub_if_data *sdata,
{
struct ieee80211_if_mesh *ifmsh = &sdata->u.mesh;
struct mesh_path *mpath;
u8 *ta;
u8 ttl, flags, hopcount;
u8 *orig_addr;
u32 orig_sn, metric;
ta = mgmt->sa;
ttl = rann->rann_ttl;
if (ttl <= 1) {
ifmsh->mshstats.dropped_frames_ttl++;
......
......@@ -587,7 +587,6 @@ static bool sta_info_cleanup_expire_buffered(struct ieee80211_local *local,
{
unsigned long flags;
struct sk_buff *skb;
struct ieee80211_sub_if_data *sdata;
if (skb_queue_empty(&sta->ps_tx_buf))
return false;
......@@ -604,7 +603,6 @@ static bool sta_info_cleanup_expire_buffered(struct ieee80211_local *local,
if (!skb)
break;
sdata = sta->sdata;
local->total_ps_buffered--;
#ifdef CONFIG_MAC80211_VERBOSE_PS_DEBUG
printk(KERN_DEBUG "Buffered frame expired (STA %pM)\n",
......
......@@ -1036,14 +1036,11 @@ static bool __ieee80211_parse_tx_radiotap(struct ieee80211_tx_data *tx,
struct ieee80211_radiotap_iterator iterator;
struct ieee80211_radiotap_header *rthdr =
(struct ieee80211_radiotap_header *) skb->data;
struct ieee80211_supported_band *sband;
bool hw_frag;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
int ret = ieee80211_radiotap_iterator_init(&iterator, rthdr, skb->len,
NULL);
sband = tx->local->hw.wiphy->bands[tx->channel->band];
info->flags |= IEEE80211_TX_INTFL_DONT_ENCRYPT;
tx->flags &= ~IEEE80211_TX_FRAGMENTED;
......@@ -1442,11 +1439,8 @@ static bool ieee80211_tx(struct ieee80211_sub_if_data *sdata,
struct ieee80211_tx_data tx;
ieee80211_tx_result res_prepare;
struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
u16 queue;
bool result = true;
queue = skb_get_queue_mapping(skb);
if (unlikely(skb->len < 10)) {
dev_kfree_skb(skb);
return true;
......@@ -2485,7 +2479,6 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
{
struct ieee80211_local *local = hw_to_local(hw);
struct sk_buff *skb = NULL;
struct sta_info *sta;
struct ieee80211_tx_data tx;
struct ieee80211_sub_if_data *sdata;
struct ieee80211_if_ap *bss = NULL;
......@@ -2527,7 +2520,6 @@ ieee80211_get_buffered_bc(struct ieee80211_hw *hw,
info = IEEE80211_SKB_CB(skb);
sta = tx.sta;
tx.flags |= IEEE80211_TX_PS_BUFFERED;
tx.channel = local->hw.conf.channel;
info->band = tx.channel->band;
......
......@@ -198,9 +198,8 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
struct sk_buff *skb;
struct ieee80211_mgmt *mgmt;
u8 *pos, qos_info;
const u8 *ies;
size_t offset = 0, noffset;
int i, len, count, rates_len, supp_rates_len;
int i, count, rates_len, supp_rates_len;
u16 capab;
struct ieee80211_supported_band *sband;
u32 rates = 0;
......@@ -285,7 +284,7 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
}
/* SSID */
ies = pos = skb_put(skb, 2 + wk->assoc.ssid_len);
pos = skb_put(skb, 2 + wk->assoc.ssid_len);
*pos++ = WLAN_EID_SSID;
*pos++ = wk->assoc.ssid_len;
memcpy(pos, wk->assoc.ssid, wk->assoc.ssid_len);
......@@ -295,7 +294,6 @@ static void ieee80211_send_assoc(struct ieee80211_sub_if_data *sdata,
if (supp_rates_len > 8)
supp_rates_len = 8;
len = sband->n_bitrates;
pos = skb_put(skb, supp_rates_len + 2);
*pos++ = WLAN_EID_SUPP_RATES;
*pos++ = supp_rates_len;
......
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