b43: Fix suspend/resume
This fixes suspend/resume.
We must not overwrite the MAC addresses on resume. Otherwise
the card won't ACK any packets anymore.
Signed-off-by: Michael Buesch <mb@bu3sch.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index f21355d..64c154d 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -3532,8 +3532,6 @@
b43_bluetooth_coext_enable(dev);
ssb_bus_powerup(bus, 1); /* Enable dynamic PCTL */
- memset(wl->bssid, 0, ETH_ALEN);
- memset(wl->mac_addr, 0, ETH_ALEN);
b43_upload_card_macaddress(dev);
b43_security_init(dev);
b43_rng_init(wl);
@@ -3632,6 +3630,14 @@
int err = 0;
bool do_rfkill_exit = 0;
+ /* Kill all old instance specific information to make sure
+ * the card won't use it in the short timeframe between start
+ * and mac80211 reconfiguring it. */
+ memset(wl->bssid, 0, ETH_ALEN);
+ memset(wl->mac_addr, 0, ETH_ALEN);
+ wl->filter_flags = 0;
+ wl->radiotap_enabled = 0;
+
/* First register RFkill.
* LEDs that are registered later depend on it. */
b43_rfkill_init(dev);
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index 3fc53e8..7de2814 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -237,20 +237,23 @@
B43_WARN_ON(key_idx >= dev->max_nr_keys);
key = &(dev->key[key_idx]);
- B43_WARN_ON(!key->keyconf);
- /* Hardware appends ICV. */
- plcp_fragment_len += txctl->icv_len;
+ if (likely(key->keyconf)) {
+ /* This key is valid. Use it for encryption. */
- key_idx = b43_kidx_to_fw(dev, key_idx);
- mac_ctl |= (key_idx << B43_TXH_MAC_KEYIDX_SHIFT) &
- B43_TXH_MAC_KEYIDX;
- mac_ctl |= (key->algorithm << B43_TXH_MAC_KEYALG_SHIFT) &
- B43_TXH_MAC_KEYALG;
- wlhdr_len = ieee80211_get_hdrlen(fctl);
- iv_len = min((size_t) txctl->iv_len,
- ARRAY_SIZE(txhdr->iv));
- memcpy(txhdr->iv, ((u8 *) wlhdr) + wlhdr_len, iv_len);
+ /* Hardware appends ICV. */
+ plcp_fragment_len += txctl->icv_len;
+
+ key_idx = b43_kidx_to_fw(dev, key_idx);
+ mac_ctl |= (key_idx << B43_TXH_MAC_KEYIDX_SHIFT) &
+ B43_TXH_MAC_KEYIDX;
+ mac_ctl |= (key->algorithm << B43_TXH_MAC_KEYALG_SHIFT) &
+ B43_TXH_MAC_KEYALG;
+ wlhdr_len = ieee80211_get_hdrlen(fctl);
+ iv_len = min((size_t) txctl->iv_len,
+ ARRAY_SIZE(txhdr->iv));
+ memcpy(txhdr->iv, ((u8 *) wlhdr) + wlhdr_len, iv_len);
+ }
}
if (b43_is_old_txhdr_format(dev)) {
b43_generate_plcp_hdr((struct b43_plcp_hdr4 *)(&txhdr->old_format.plcp),