b43legacy: Fix warnings from gcc 4.6.0
gcc 4.6.0 warnings for b43legacy:
CC [M] drivers/net/wireless/b43legacy/main.o
drivers/net/wireless/b43legacy/main.c: In function ‘b43legacy_request_firmware’:
drivers/net/wireless/b43legacy/main.c:1567:6: warning: variable ‘tmshigh’ set but not used [-Wunused-but-set-variable]
drivers/net/wireless/b43legacy/main.c: In function ‘b43legacy_op_dev_config’:
drivers/net/wireless/b43legacy/main.c:2637:6: warning: variable ‘antenna_rx’ set but not used [-Wunused-but-set-variable]
drivers/net/wireless/b43legacy/main.c: In function ‘b43legacy_op_bss_info_changed’:
drivers/net/wireless/b43legacy/main.c:2778:24: warning: variable ‘phy’ set but not used [-Wunused-but-set-variable]
drivers/net/wireless/b43legacy/xmit.c: In function ‘generate_txhdr_fw3’:
drivers/net/wireless/b43legacy/xmit.c:324:7: warning: variable ‘rts_rate_ofdm’ set but not used [-Wunused-but-set-variable]
CC [M] drivers/net/wireless/b43legacy/dma.o
drivers/net/wireless/b43legacy/dma.c: In function ‘free_all_descbuffers’:
drivers/net/wireless/b43legacy/dma.c:820:36: warning: variable ‘desc’ set but not used [-Wunused-but-set-variable]
drivers/net/wireless/b43legacy/dma.c: In function ‘b43legacy_dma_tx’:
drivers/net/wireless/b43legacy/dma.c:1377:28: warning: variable ‘info’ set but not used [-Wunused-but-set-variable]
drivers/net/wireless/b43legacy/dma.c:1374:24: warning: variable ‘hdr’ set but not used [-Wunused-but-set-variable]
drivers/net/wireless/b43legacy/dma.c: In function ‘b43legacy_dma_handle_txstatus’:
drivers/net/wireless/b43legacy/dma.c:1438:36: warning: variable ‘desc’ set but not used [-Wunused-but-set-variable]
Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
diff --git a/drivers/net/wireless/b43legacy/dma.c b/drivers/net/wireless/b43legacy/dma.c
index e03e01d..c33934a 100644
--- a/drivers/net/wireless/b43legacy/dma.c
+++ b/drivers/net/wireless/b43legacy/dma.c
@@ -817,14 +817,13 @@
static void free_all_descbuffers(struct b43legacy_dmaring *ring)
{
- struct b43legacy_dmadesc_generic *desc;
struct b43legacy_dmadesc_meta *meta;
int i;
if (!ring->used_slots)
return;
for (i = 0; i < ring->nr_slots; i++) {
- desc = ring->ops->idx2desc(ring, i, &meta);
+ ring->ops->idx2desc(ring, i, &meta);
if (!meta->skb) {
B43legacy_WARN_ON(!ring->tx);
@@ -1371,10 +1370,8 @@
struct sk_buff *skb)
{
struct b43legacy_dmaring *ring;
- struct ieee80211_hdr *hdr;
int err = 0;
unsigned long flags;
- struct ieee80211_tx_info *info = IEEE80211_SKB_CB(skb);
ring = priority_to_txring(dev, skb_get_queue_mapping(skb));
spin_lock_irqsave(&ring->lock, flags);
@@ -1401,8 +1398,6 @@
/* dma_tx_fragment might reallocate the skb, so invalidate pointers pointing
* into the skb data or cb now. */
- hdr = NULL;
- info = NULL;
err = dma_tx_fragment(ring, &skb);
if (unlikely(err == -ENOKEY)) {
/* Drop this packet, as we don't have the encryption key
@@ -1435,7 +1430,6 @@
{
const struct b43legacy_dma_ops *ops;
struct b43legacy_dmaring *ring;
- struct b43legacy_dmadesc_generic *desc;
struct b43legacy_dmadesc_meta *meta;
int retry_limit;
int slot;
@@ -1450,7 +1444,7 @@
ops = ring->ops;
while (1) {
B43legacy_WARN_ON(!(slot >= 0 && slot < ring->nr_slots));
- desc = ops->idx2desc(ring, slot, &meta);
+ ops->idx2desc(ring, slot, &meta);
if (meta->skb)
unmap_descbuffer(ring, meta->dmaaddr,
diff --git a/drivers/net/wireless/b43legacy/main.c b/drivers/net/wireless/b43legacy/main.c
index 1ab8861..ffa4671 100644
--- a/drivers/net/wireless/b43legacy/main.c
+++ b/drivers/net/wireless/b43legacy/main.c
@@ -1564,10 +1564,10 @@
struct b43legacy_firmware *fw = &dev->fw;
const u8 rev = dev->dev->id.revision;
const char *filename;
- u32 tmshigh;
int err;
- tmshigh = ssb_read32(dev->dev, SSB_TMSHIGH);
+ /* do dummy read */
+ ssb_read32(dev->dev, SSB_TMSHIGH);
if (!fw->ucode) {
if (rev == 2)
filename = "ucode2";
@@ -2634,11 +2634,9 @@
unsigned long flags;
unsigned int new_phymode = 0xFFFF;
int antenna_tx;
- int antenna_rx;
int err = 0;
antenna_tx = B43legacy_ANTENNA_DEFAULT;
- antenna_rx = B43legacy_ANTENNA_DEFAULT;
mutex_lock(&wl->mutex);
dev = wl->current_dev;
@@ -2775,14 +2773,12 @@
{
struct b43legacy_wl *wl = hw_to_b43legacy_wl(hw);
struct b43legacy_wldev *dev;
- struct b43legacy_phy *phy;
unsigned long flags;
mutex_lock(&wl->mutex);
B43legacy_WARN_ON(wl->vif != vif);
dev = wl->current_dev;
- phy = &dev->phy;
/* Disable IRQs while reconfiguring the device.
* This makes it possible to drop the spinlock throughout
diff --git a/drivers/net/wireless/b43legacy/xmit.c b/drivers/net/wireless/b43legacy/xmit.c
index 3a955417..6c174f3 100644
--- a/drivers/net/wireless/b43legacy/xmit.c
+++ b/drivers/net/wireless/b43legacy/xmit.c
@@ -321,11 +321,9 @@
struct ieee80211_hdr *hdr;
int rts_rate;
int rts_rate_fb;
- int rts_rate_ofdm;
int rts_rate_fb_ofdm;
rts_rate = ieee80211_get_rts_cts_rate(dev->wl->hw, info)->hw_value;
- rts_rate_ofdm = b43legacy_is_ofdm_rate(rts_rate);
rts_rate_fb = b43legacy_calc_fallback_rate(rts_rate);
rts_rate_fb_ofdm = b43legacy_is_ofdm_rate(rts_rate_fb);
if (rts_rate_fb_ofdm)