2011-05-23 01:54:26

by Larry Finger

[permalink] [raw]
Subject: [PATCH 1/7 V2] b43: Fix warnings from gcc 4.6.0

gcc 4.6.0 warnings for b43:

CC [M] drivers/net/wireless/b43/lo.o
drivers/net/wireless/b43/lo.c: In function ‘lo_measure_gain_values’:
drivers/net/wireless/b43/lo.c:304:7: warning: variable ‘trsw_rx’ set but not used [-Wunused-but-set-variable]
CC [M] drivers/net/wireless/b43/dma.o
drivers/net/wireless/b43/dma.c: In function ‘free_all_descbuffers’:
drivers/net/wireless/b43/dma.c:760:30: warning: variable ‘desc’ set but not used [-Wunused-but-set-variable]
drivers/net/wireless/b43/dma.c: In function ‘b43_dma_handle_txstatus’:
drivers/net/wireless/b43/dma.c:1391:30: warning: variable ‘desc’ set but not used [-Wunused-but-set-variable]

Signed-off-by: Larry Finger <[email protected]>
---

Index: wireless-testing/drivers/net/wireless/b43/dma.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/b43/dma.c
+++ wireless-testing/drivers/net/wireless/b43/dma.c
@@ -757,14 +757,14 @@ static void dmacontroller_cleanup(struct

static void free_all_descbuffers(struct b43_dmaring *ring)
{
- struct b43_dmadesc_generic *desc;
struct b43_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);
+ /* get meta - ignore returned value */
+ ring->ops->idx2desc(ring, i, &meta);

if (!meta->skb || b43_dma_ptr_is_poisoned(meta->skb)) {
B43_WARN_ON(!ring->tx);
@@ -1388,7 +1388,6 @@ void b43_dma_handle_txstatus(struct b43_
{
const struct b43_dma_ops *ops;
struct b43_dmaring *ring;
- struct b43_dmadesc_generic *desc;
struct b43_dmadesc_meta *meta;
int slot, firstused;
bool frame_succeed;
@@ -1416,7 +1415,8 @@ void b43_dma_handle_txstatus(struct b43_
ops = ring->ops;
while (1) {
B43_WARN_ON(slot < 0 || slot >= ring->nr_slots);
- desc = ops->idx2desc(ring, slot, &meta);
+ /* get meta - ignore returned value */
+ ops->idx2desc(ring, slot, &meta);

if (b43_dma_ptr_is_poisoned(meta->skb)) {
b43dbg(dev->wl, "Poisoned TX slot %d (first=%d) "
Index: wireless-testing/drivers/net/wireless/b43/lo.c
===================================================================
--- wireless-testing.orig/drivers/net/wireless/b43/lo.c
+++ wireless-testing/drivers/net/wireless/b43/lo.c
@@ -301,14 +301,12 @@ static void lo_measure_gain_values(struc
max_rx_gain = 0;

if (has_loopback_gain(phy)) {
- int trsw_rx = 0;
int trsw_rx_gain;

if (use_trsw_rx) {
trsw_rx_gain = gphy->trsw_rx_gain / 2;
if (max_rx_gain >= trsw_rx_gain) {
trsw_rx_gain = max_rx_gain - trsw_rx_gain;
- trsw_rx = 0x20;
}
} else
trsw_rx_gain = max_rx_gain;