diff options
Diffstat (limited to 'drivers/net/wireless/b43/phy_n.c')
| -rw-r--r-- | drivers/net/wireless/b43/phy_n.c | 12 |
1 files changed, 11 insertions, 1 deletions
diff --git a/drivers/net/wireless/b43/phy_n.c b/drivers/net/wireless/b43/phy_n.c index 0a6f04be9073..50ca6f87d5e8 100644 --- a/drivers/net/wireless/b43/phy_n.c +++ b/drivers/net/wireless/b43/phy_n.c @@ -3369,7 +3369,11 @@ static void b43_nphy_tx_power_fix(struct b43_wldev *dev) */ for (i = 0; i < 2; i++) { - txgain = *(b43_nphy_get_tx_gain_table(dev) + txpi[i]); + const u32 *table = b43_nphy_get_tx_gain_table(dev); + + if (!table) + break; + txgain = *(table + txpi[i]); if (dev->phy.rev >= 3) radio_gain = (txgain >> 16) & 0x1FFFF; @@ -3783,6 +3787,9 @@ static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev) int i; table = b43_nphy_get_tx_gain_table(dev); + if (!table) + return; + b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128, table); b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128, table); @@ -4488,6 +4495,9 @@ static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev) for (i = 0; i < 2; ++i) { table = b43_nphy_get_tx_gain_table(dev); + if (!table) + break; + if (dev->phy.rev >= 3) { target.ipa[i] = (table[index[i]] >> 16) & 0xF; target.pad[i] = (table[index[i]] >> 20) & 0xF; |