Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6: (35 commits)
  virtio net: fix oops on interface-up
  Fix PHY Lib support for gianfar and ucc_geth
  forcedeth: preserve registers
  forcedeth: phy status fix
  forcedeth: restart tx/rx
  ipvs: Make wrr "no available servers" error message rate-limited
  [PPPOL2TP]: Label unused warning when CONFIG_PROC_FS is not set.
  [NET_SCHED]: cls_flow: support classification based on VLAN tag
  [VLAN]: Constify skb argument to vlan_get_tag()
  [NET_SCHED]: cls_flow: fix key mask validity check
  [NET_SCHED]: em_meta: fix compile warning
  b43: Fix DMA for 30/32-bit DMA engines
  b43: fix build with CONFIG_SSB_PCIHOST=n
  mac80211: Is not EXPERIMENTAL anymore
  iwl3945-base.c: fix off-by-one errors
  b43legacy: fix DMA slot resource leakage
  b43legacy: drop packets we are not able to encrypt
  b43legacy: fix suspend/resume
  b43legacy: fix PIO crash
  Generic HDLC - use random_ether_addr()
  ...

1 files changed, 12 insertions, 3 deletions

diff --git a/drivers/net/wireless/b43legacy/xmit.c b/drivers/net/wireless/b43legacy/xmit.c
index e20c552442d..d84408a82db 100644
--- a/drivers/net/wireless/b43legacy/xmit.c
+++ b/drivers/net/wireless/b43legacy/xmit.c
@@ -181,7 +181,7 @@ static u8 b43legacy_calc_fallback_rate(u8 bitrate)
 	return 0;
 }
 
-static void generate_txhdr_fw3(struct b43legacy_wldev *dev,
+static int generate_txhdr_fw3(struct b43legacy_wldev *dev,
 			       struct b43legacy_txhdr_fw3 *txhdr,
 			       const unsigned char *fragment_data,
 			       unsigned int fragment_len,
@@ -252,6 +252,13 @@ static void generate_txhdr_fw3(struct b43legacy_wldev *dev,
 			iv_len = min((size_t)txctl->iv_len,
 				     ARRAY_SIZE(txhdr->iv));
 			memcpy(txhdr->iv, ((u8 *)wlhdr) + wlhdr_len, iv_len);
+		} else {
+			/* This key is invalid. This might only happen
+			 * in a short timeframe after machine resume before
+			 * we were able to reconfigure keys.
+			 * Drop this packet completely. Do not transmit it
+			 * unencrypted to avoid leaking information. */
+			return -ENOKEY;
 		}
 	}
 	b43legacy_generate_plcp_hdr((struct b43legacy_plcp_hdr4 *)
@@ -345,16 +352,18 @@ static void generate_txhdr_fw3(struct b43legacy_wldev *dev,
 	/* Apply the bitfields */
 	txhdr->mac_ctl = cpu_to_le32(mac_ctl);
 	txhdr->phy_ctl = cpu_to_le16(phy_ctl);
+
+	return 0;
 }
 
-void b43legacy_generate_txhdr(struct b43legacy_wldev *dev,
+int b43legacy_generate_txhdr(struct b43legacy_wldev *dev,
 			      u8 *txhdr,
 			      const unsigned char *fragment_data,
 			      unsigned int fragment_len,
 			      const struct ieee80211_tx_control *txctl,
 			      u16 cookie)
 {
-	generate_txhdr_fw3(dev, (struct b43legacy_txhdr_fw3 *)txhdr,
+	return generate_txhdr_fw3(dev, (struct b43legacy_txhdr_fw3 *)txhdr,
 			   fragment_data, fragment_len,
 			   txctl, cookie);
 }