Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6

19 files changed, 107 insertions, 38 deletions

diff --git a/drivers/isdn/hardware/mISDN/hfcsusb.c b/drivers/isdn/hardware/mISDN/hfcsusb.c
index b3b7e2879ba..8700474747e 100644
--- a/drivers/isdn/hardware/mISDN/hfcsusb.c
+++ b/drivers/isdn/hardware/mISDN/hfcsusb.c
@@ -97,8 +97,10 @@ static int write_reg(struct hfcsusb *hw, __u8 reg, __u8 val)
 			hw->name, __func__, reg, val);
 
 	spin_lock(&hw->ctrl_lock);
-	if (hw->ctrl_cnt >= HFC_CTRL_BUFSIZE)
+	if (hw->ctrl_cnt >= HFC_CTRL_BUFSIZE) {
+		spin_unlock(&hw->ctrl_lock);
 		return 1;
+	}
 	buf = &hw->ctrl_buff[hw->ctrl_in_idx];
 	buf->hfcs_reg = reg;
 	buf->reg_val = val;
diff --git a/drivers/net/benet/be_cmds.c b/drivers/net/benet/be_cmds.c
index 9d11dbf5e4d..9e305d7fb4b 100644
--- a/drivers/net/benet/be_cmds.c
+++ b/drivers/net/benet/be_cmds.c
@@ -1429,7 +1429,7 @@ int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd,
 	wrb = wrb_from_mccq(adapter);
 	if (!wrb) {
 		status = -EBUSY;
-		goto err;
+		goto err_unlock;
 	}
 	req = cmd->va;
 	sge = nonembedded_sgl(wrb);
@@ -1457,7 +1457,10 @@ int be_cmd_write_flashrom(struct be_adapter *adapter, struct be_dma_mem *cmd,
 	else
 		status = adapter->flash_status;
 
-err:
+	return status;
+
+err_unlock:
+	spin_unlock_bh(&adapter->mcc_lock);
 	return status;
 }
 
@@ -1497,7 +1500,7 @@ err:
 	return status;
 }
 
-extern int be_cmd_enable_magic_wol(struct be_adapter *adapter, u8 *mac,
+int be_cmd_enable_magic_wol(struct be_adapter *adapter, u8 *mac,
 				struct be_dma_mem *nonemb_cmd)
 {
 	struct be_mcc_wrb *wrb;
@@ -1662,7 +1665,7 @@ err:
 	return status;
 }
 
-extern int be_cmd_get_seeprom_data(struct be_adapter *adapter,
+int be_cmd_get_seeprom_data(struct be_adapter *adapter,
 				struct be_dma_mem *nonemb_cmd)
 {
 	struct be_mcc_wrb *wrb;
diff --git a/drivers/net/fs_enet/mac-fcc.c b/drivers/net/fs_enet/mac-fcc.c
index 5d45084b287..48e91b6242c 100644
--- a/drivers/net/fs_enet/mac-fcc.c
+++ b/drivers/net/fs_enet/mac-fcc.c
@@ -504,17 +504,54 @@ static int get_regs_len(struct net_device *dev)
 }
 
 /* Some transmit errors cause the transmitter to shut
- * down.  We now issue a restart transmit.  Since the
- * errors close the BD and update the pointers, the restart
- * _should_ pick up without having to reset any of our
- * pointers either.  Also, To workaround 8260 device erratum
- * CPM37, we must disable and then re-enable the transmitter
- * following a Late Collision, Underrun, or Retry Limit error.
+ * down.  We now issue a restart transmit.
+ * Also, to workaround 8260 device erratum CPM37, we must
+ * disable and then re-enable the transmitterfollowing a
+ * Late Collision, Underrun, or Retry Limit error.
+ * In addition, tbptr may point beyond BDs beyond still marked
+ * as ready due to internal pipelining, so we need to look back
+ * through the BDs and adjust tbptr to point to the last BD
+ * marked as ready.  This may result in some buffers being
+ * retransmitted.
  */
 static void tx_restart(struct net_device *dev)
 {
 	struct fs_enet_private *fep = netdev_priv(dev);
 	fcc_t __iomem *fccp = fep->fcc.fccp;
+	const struct fs_platform_info *fpi = fep->fpi;
+	fcc_enet_t __iomem *ep = fep->fcc.ep;
+	cbd_t __iomem *curr_tbptr;
+	cbd_t __iomem *recheck_bd;
+	cbd_t __iomem *prev_bd;
+	cbd_t __iomem *last_tx_bd;
+
+	last_tx_bd = fep->tx_bd_base + (fpi->tx_ring * sizeof(cbd_t));
+
+	/* get the current bd held in TBPTR  and scan back from this point */
+	recheck_bd = curr_tbptr = (cbd_t __iomem *)
+		((R32(ep, fen_genfcc.fcc_tbptr) - fep->ring_mem_addr) +
+		fep->ring_base);
+
+	prev_bd = (recheck_bd == fep->tx_bd_base) ? last_tx_bd : recheck_bd - 1;
+
+	/* Move through the bds in reverse, look for the earliest buffer
+	 * that is not ready.  Adjust TBPTR to the following buffer */
+	while ((CBDR_SC(prev_bd) & BD_ENET_TX_READY) != 0) {
+		/* Go back one buffer */
+		recheck_bd = prev_bd;
+
+		/* update the previous buffer */
+		prev_bd = (prev_bd == fep->tx_bd_base) ? last_tx_bd : prev_bd - 1;
+
+		/* We should never see all bds marked as ready, check anyway */
+		if (recheck_bd == curr_tbptr)
+			break;
+	}
+	/* Now update the TBPTR and dirty flag to the current buffer */
+	W32(ep, fen_genfcc.fcc_tbptr,
+		(uint) (((void *)recheck_bd - fep->ring_base) +
+		fep->ring_mem_addr));
+	fep->dirty_tx = recheck_bd;
 
 	C32(fccp, fcc_gfmr, FCC_GFMR_ENT);
 	udelay(10);
diff --git a/drivers/net/wireless/ath/ar9170/usb.c b/drivers/net/wireless/ath/ar9170/usb.c
index 82ab532a492..a93dc18a45c 100644
--- a/drivers/net/wireless/ath/ar9170/usb.c
+++ b/drivers/net/wireless/ath/ar9170/usb.c
@@ -739,17 +739,27 @@ err_out:
 static void ar9170_usb_firmware_failed(struct ar9170_usb *aru)
 {
 	struct device *parent = aru->udev->dev.parent;
+	struct usb_device *udev;
+
+	/*
+	 * Store a copy of the usb_device pointer locally.
+	 * This is because device_release_driver initiates
+	 * ar9170_usb_disconnect, which in turn frees our
+	 * driver context (aru).
+	 */
+	udev = aru->udev;
 
 	complete(&aru->firmware_loading_complete);
 
 	/* unbind anything failed */
 	if (parent)
 		device_lock(parent);
-	device_release_driver(&aru->udev->dev);
+
+	device_release_driver(&udev->dev);
 	if (parent)
 		device_unlock(parent);
 
-	usb_put_dev(aru->udev);
+	usb_put_dev(udev);
 }
 
 static void ar9170_usb_firmware_finish(const struct firmware *fw, void *context)
diff --git a/drivers/net/wireless/ath/ath9k/xmit.c b/drivers/net/wireless/ath/ath9k/xmit.c
index 3db19172b43..859aa4ab076 100644
--- a/drivers/net/wireless/ath/ath9k/xmit.c
+++ b/drivers/net/wireless/ath/ath9k/xmit.c
@@ -1198,7 +1198,7 @@ void ath_drain_all_txq(struct ath_softc *sc, bool retry_tx)
 		int r;
 
 		ath_print(common, ATH_DBG_FATAL,
-			  "Unable to stop TxDMA. Reset HAL!\n");
+			  "Failed to stop TX DMA. Resetting hardware!\n");
 
 		spin_lock_bh(&sc->sc_resetlock);
 		r = ath9k_hw_reset(ah, sc->sc_ah->curchan, false);
@@ -1728,6 +1728,8 @@ static int ath_tx_setup_buffer(struct ieee80211_hw *hw, struct ath_buf *bf,
 	} else
 		bf->bf_isnullfunc = false;
 
+	bf->bf_tx_aborted = false;
+
 	return 0;
 }
 
@@ -1989,7 +1991,7 @@ static int ath_tx_num_badfrms(struct ath_softc *sc, struct ath_buf *bf,
 	int nbad = 0;
 	int isaggr = 0;
 
-	if (bf->bf_tx_aborted)
+	if (bf->bf_lastbf->bf_tx_aborted)
 		return 0;
 
 	isaggr = bf_isaggr(bf);
diff --git a/drivers/net/wireless/libertas/rx.c b/drivers/net/wireless/libertas/rx.c
index a115bfa9513..7a377f5b766 100644
--- a/drivers/net/wireless/libertas/rx.c
+++ b/drivers/net/wireless/libertas/rx.c
@@ -329,9 +329,8 @@ static int process_rxed_802_11_packet(struct lbs_private *priv,
 	/* create the exported radio header */
 
 	/* radiotap header */
-	radiotap_hdr.hdr.it_version = 0;
-	/* XXX must check this value for pad */
-	radiotap_hdr.hdr.it_pad = 0;
+	memset(&radiotap_hdr, 0, sizeof(radiotap_hdr));
+	/* XXX must check radiotap_hdr.hdr.it_pad for pad */
 	radiotap_hdr.hdr.it_len = cpu_to_le16 (sizeof(struct rx_radiotap_hdr));
 	radiotap_hdr.hdr.it_present = cpu_to_le32 (RX_RADIOTAP_PRESENT);
 	radiotap_hdr.rate = convert_mv_rate_to_radiotap(prxpd->rx_rate);
diff --git a/drivers/net/wireless/rt2x00/rt2800usb.c b/drivers/net/wireless/rt2x00/rt2800usb.c
index 699161327d6..0f8b84b7224 100644
--- a/drivers/net/wireless/rt2x00/rt2800usb.c
+++ b/drivers/net/wireless/rt2x00/rt2800usb.c
@@ -413,7 +413,7 @@ static void rt2800usb_write_tx_desc(struct rt2x00_dev *rt2x00dev,
 	 */
 	rt2x00_desc_read(txi, 0, &word);
 	rt2x00_set_field32(&word, TXINFO_W0_USB_DMA_TX_PKT_LEN,
-			   skb->len - TXINFO_DESC_SIZE);
+			   skb->len + TXWI_DESC_SIZE);
 	rt2x00_set_field32(&word, TXINFO_W0_WIV,
 			   !test_bit(ENTRY_TXD_ENCRYPT_IV, &txdesc->flags));
 	rt2x00_set_field32(&word, TXINFO_W0_QSEL, 2);
diff --git a/drivers/ssb/pci.c b/drivers/ssb/pci.c
index 989e2752cc3..6dcda86be6e 100644
--- a/drivers/ssb/pci.c
+++ b/drivers/ssb/pci.c
@@ -625,9 +625,12 @@ static int ssb_pci_sprom_get(struct ssb_bus *bus,
 		ssb_printk(KERN_ERR PFX "No SPROM available!\n");
 		return -ENODEV;
 	}
-
-	bus->sprom_offset = (bus->chipco.dev->id.revision < 31) ?
-		SSB_SPROM_BASE1 : SSB_SPROM_BASE31;
+	if (bus->chipco.dev) {	/* can be unavailible! */
+		bus->sprom_offset = (bus->chipco.dev->id.revision < 31) ?
+			SSB_SPROM_BASE1 : SSB_SPROM_BASE31;
+	} else {
+		bus->sprom_offset = SSB_SPROM_BASE1;
+	}
 
 	buf = kcalloc(SSB_SPROMSIZE_WORDS_R123, sizeof(u16), GFP_KERNEL);
 	if (!buf)
diff --git a/drivers/ssb/sprom.c b/drivers/ssb/sprom.c
index 007bc3a0348..4f7cc8d1327 100644
--- a/drivers/ssb/sprom.c
+++ b/drivers/ssb/sprom.c
@@ -185,6 +185,7 @@ bool ssb_is_sprom_available(struct ssb_bus *bus)
 	/* this routine differs from specs as we do not access SPROM directly
 	   on PCMCIA */
 	if (bus->bustype == SSB_BUSTYPE_PCI &&
+	    bus->chipco.dev &&	/* can be unavailible! */
 	    bus->chipco.dev->id.revision >= 31)
 		return bus->chipco.capabilities & SSB_CHIPCO_CAP_SPROM;
 
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 7cdfb4d5284..bf243fc5495 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -501,7 +501,7 @@ static inline struct sk_buff *alloc_skb_fclone(unsigned int size,
 	return __alloc_skb(size, priority, 1, -1);
 }
 
-extern int skb_recycle_check(struct sk_buff *skb, int skb_size);
+extern bool skb_recycle_check(struct sk_buff *skb, int skb_size);
 
 extern struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src);
 extern struct sk_buff *skb_clone(struct sk_buff *skb,
diff --git a/net/caif/cfserl.c b/net/caif/cfserl.c
index cb4325a3dc8..965c5baace4 100644
--- a/net/caif/cfserl.c
+++ b/net/caif/cfserl.c
@@ -59,16 +59,18 @@ static int cfserl_receive(struct cflayer *l, struct cfpkt *newpkt)
 	u8 stx = CFSERL_STX;
 	int ret;
 	u16 expectlen = 0;
+
 	caif_assert(newpkt != NULL);
 	spin_lock(&layr->sync);
 
 	if (layr->incomplete_frm != NULL) {
-
 		layr->incomplete_frm =
 		    cfpkt_append(layr->incomplete_frm, newpkt, expectlen);
 		pkt = layr->incomplete_frm;
-		if (pkt == NULL)
+		if (pkt == NULL) {
+			spin_unlock(&layr->sync);
 			return -ENOMEM;
+		}
 	} else {
 		pkt = newpkt;
 	}
diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index f8abf68e398..4e7ac09c281 100644
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -482,22 +482,22 @@ EXPORT_SYMBOL(consume_skb);
  *	reference count dropping and cleans up the skbuff as if it
  *	just came from __alloc_skb().
  */
-int skb_recycle_check(struct sk_buff *skb, int skb_size)
+bool skb_recycle_check(struct sk_buff *skb, int skb_size)
 {
 	struct skb_shared_info *shinfo;
 
 	if (irqs_disabled())
-		return 0;
+		return false;
 
 	if (skb_is_nonlinear(skb) || skb->fclone != SKB_FCLONE_UNAVAILABLE)
-		return 0;
+		return false;
 
 	skb_size = SKB_DATA_ALIGN(skb_size + NET_SKB_PAD);
 	if (skb_end_pointer(skb) - skb->head < skb_size)
-		return 0;
+		return false;
 
 	if (skb_shared(skb) || skb_cloned(skb))
-		return 0;
+		return false;
 
 	skb_release_head_state(skb);
 
@@ -509,7 +509,7 @@ int skb_recycle_check(struct sk_buff *skb, int skb_size)
 	skb->data = skb->head + NET_SKB_PAD;
 	skb_reset_tail_pointer(skb);
 
-	return 1;
+	return true;
 }
 EXPORT_SYMBOL(skb_recycle_check);
 
@@ -2996,7 +2996,11 @@ void skb_tstamp_tx(struct sk_buff *orig_skb,
 	memset(serr, 0, sizeof(*serr));
 	serr->ee.ee_errno = ENOMSG;
 	serr->ee.ee_origin = SO_EE_ORIGIN_TIMESTAMPING;
+
+	bh_lock_sock(sk);
 	err = sock_queue_err_skb(sk, skb);
+	bh_unlock_sock(sk);
+
 	if (err)
 		kfree_skb(skb);
 }
diff --git a/net/ipv4/udp.c b/net/ipv4/udp.c
index 58585748bda..50678f9a276 100644
--- a/net/ipv4/udp.c
+++ b/net/ipv4/udp.c
@@ -634,7 +634,9 @@ void __udp4_lib_err(struct sk_buff *skb, u32 info, struct udp_table *udptable)
 		if (!harderr || sk->sk_state != TCP_ESTABLISHED)
 			goto out;
 	} else {
+		bh_lock_sock(sk);
 		ip_icmp_error(sk, skb, err, uh->dest, info, (u8 *)(uh+1));
+		bh_unlock_sock(sk);
 	}
 	sk->sk_err = err;
 	sk->sk_error_report(sk);
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 294cbe8b072..252d76199c4 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -814,7 +814,7 @@ struct dst_entry * ip6_route_output(struct net *net, struct sock *sk,
 {
 	int flags = 0;
 
-	if (fl->oif || rt6_need_strict(&fl->fl6_dst))
+	if ((sk && sk->sk_bound_dev_if) || rt6_need_strict(&fl->fl6_dst))
 		flags |= RT6_LOOKUP_F_IFACE;
 
 	if (!ipv6_addr_any(&fl->fl6_src))
diff --git a/net/ipv6/udp.c b/net/ipv6/udp.c
index 87be58673b5..3048f906c04 100644
--- a/net/ipv6/udp.c
+++ b/net/ipv6/udp.c
@@ -466,9 +466,11 @@ void __udp6_lib_err(struct sk_buff *skb, struct inet6_skb_parm *opt,
 	if (sk->sk_state != TCP_ESTABLISHED && !np->recverr)
 		goto out;
 
-	if (np->recverr)
+	if (np->recverr) {
+		bh_lock_sock(sk);
 		ipv6_icmp_error(sk, skb, err, uh->dest, ntohl(info), (u8 *)(uh+1));
-
+		bh_unlock_sock(sk);
+	}
 	sk->sk_err = err;
 	sk->sk_error_report(sk);
 out:
diff --git a/net/mac80211/chan.c b/net/mac80211/chan.c
index 5d218c530a4..32be11e4c4d 100644
--- a/net/mac80211/chan.c
+++ b/net/mac80211/chan.c
@@ -5,7 +5,7 @@
 #include <linux/nl80211.h>
 #include "ieee80211_i.h"
 
-enum ieee80211_chan_mode
+static enum ieee80211_chan_mode
 __ieee80211_get_channel_mode(struct ieee80211_local *local,
 			     struct ieee80211_sub_if_data *ignore)
 {
diff --git a/net/phonet/pep.c b/net/phonet/pep.c
index 7b048a35ca5..94d72e85a47 100644
--- a/net/phonet/pep.c
+++ b/net/phonet/pep.c
@@ -1045,12 +1045,12 @@ static void pep_sock_unhash(struct sock *sk)
 	lock_sock(sk);
 	if ((1 << sk->sk_state) & ~(TCPF_CLOSE|TCPF_LISTEN)) {
 		skparent = pn->listener;
-		sk_del_node_init(sk);
 		release_sock(sk);
 
-		sk = skparent;
 		pn = pep_sk(skparent);
-		lock_sock(sk);
+		lock_sock(skparent);
+		sk_del_node_init(sk);
+		sk = skparent;
 	}
 	/* Unhash a listening sock only when it is closed
 	 * and all of its active connected pipes are closed. */
diff --git a/net/rds/ib_cm.c b/net/rds/ib_cm.c
index 10ed0d55f75..f68832798db 100644
--- a/net/rds/ib_cm.c
+++ b/net/rds/ib_cm.c
@@ -475,6 +475,7 @@ int rds_ib_cm_handle_connect(struct rdma_cm_id *cm_id,
 	err = rds_ib_setup_qp(conn);
 	if (err) {
 		rds_ib_conn_error(conn, "rds_ib_setup_qp failed (%d)\n", err);
+		mutex_unlock(&conn->c_cm_lock);
 		goto out;
 	}
 
diff --git a/net/rds/iw_cm.c b/net/rds/iw_cm.c
index a9d951b4fba..b5dd6ac39be 100644
--- a/net/rds/iw_cm.c
+++ b/net/rds/iw_cm.c
@@ -452,6 +452,7 @@ int rds_iw_cm_handle_connect(struct rdma_cm_id *cm_id,
 	err = rds_iw_setup_qp(conn);
 	if (err) {
 		rds_iw_conn_error(conn, "rds_iw_setup_qp failed (%d)\n", err);
+		mutex_unlock(&conn->c_cm_lock);
 		goto out;
 	}