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-rw-r--r--drivers/isdn/gigaset/isocdata.c2
-rw-r--r--drivers/net/Makefile2
-rw-r--r--drivers/net/gianfar.c11
-rw-r--r--drivers/net/mac8390.c10
-rw-r--r--drivers/net/r8169.c102
-rw-r--r--drivers/net/wimax/i2400m/usb.c35
-rw-r--r--drivers/net/wireless/airo.c23
-rw-r--r--drivers/net/wireless/ath5k/phy.c49
-rw-r--r--drivers/net/wireless/ath5k/reset.c8
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-5000.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c7
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-scan.c7
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c9
-rw-r--r--drivers/net/wireless/rt2x00/rt2x00debug.c2
-rw-r--r--net/core/pktgen.c2
-rw-r--r--net/ipv4/fib_trie.c6
-rw-r--r--net/ipv4/route.c60
-rw-r--r--net/ipv4/tcp_vegas.c11
-rw-r--r--net/ipv6/route.c3
-rw-r--r--net/rxrpc/ar-connection.c12
-rw-r--r--net/wireless/reg.c7
-rw-r--r--net/wireless/wext.c7
22 files changed, 216 insertions, 161 deletions
diff --git a/drivers/isdn/gigaset/isocdata.c b/drivers/isdn/gigaset/isocdata.c
index b171e75cb52e..29808c4fb1cb 100644
--- a/drivers/isdn/gigaset/isocdata.c
+++ b/drivers/isdn/gigaset/isocdata.c
@@ -175,7 +175,7 @@ int gigaset_isowbuf_getbytes(struct isowbuf_t *iwb, int size)
return -EINVAL;
}
src = iwb->read;
- if (unlikely(limit > BAS_OUTBUFSIZE + BAS_OUTBUFPAD ||
+ if (unlikely(limit >= BAS_OUTBUFSIZE + BAS_OUTBUFPAD ||
(read < src && limit >= src))) {
pr_err("isoc write buffer frame reservation violated\n");
return -EFAULT;
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 1fc4602a6ff2..a1c25cb4669f 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -102,7 +102,7 @@ obj-$(CONFIG_HAMACHI) += hamachi.o
obj-$(CONFIG_NET) += Space.o loopback.o
obj-$(CONFIG_SEEQ8005) += seeq8005.o
obj-$(CONFIG_NET_SB1000) += sb1000.o
-obj-$(CONFIG_MAC8390) += mac8390.o 8390.o
+obj-$(CONFIG_MAC8390) += mac8390.o
obj-$(CONFIG_APNE) += apne.o 8390.o
obj-$(CONFIG_PCMCIA_PCNET) += 8390.o
obj-$(CONFIG_HP100) += hp100.o
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index b2c49679bba7..a0519184e54e 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -1885,8 +1885,17 @@ int gfar_clean_rx_ring(struct net_device *dev, int rx_work_limit)
if (unlikely(!newskb))
newskb = skb;
- else if (skb)
+ else if (skb) {
+ /*
+ * We need to reset ->data to what it
+ * was before gfar_new_skb() re-aligned
+ * it to an RXBUF_ALIGNMENT boundary
+ * before we put the skb back on the
+ * recycle list.
+ */
+ skb->data = skb->head + NET_SKB_PAD;
__skb_queue_head(&priv->rx_recycle, skb);
+ }
} else {
/* Increment the number of packets */
dev->stats.rx_packets++;
diff --git a/drivers/net/mac8390.c b/drivers/net/mac8390.c
index 8e884869a05b..f26667d5eaae 100644
--- a/drivers/net/mac8390.c
+++ b/drivers/net/mac8390.c
@@ -304,7 +304,7 @@ struct net_device * __init mac8390_probe(int unit)
if (!MACH_IS_MAC)
return ERR_PTR(-ENODEV);
- dev = alloc_ei_netdev();
+ dev = ____alloc_ei_netdev(0);
if (!dev)
return ERR_PTR(-ENOMEM);
@@ -481,10 +481,10 @@ void cleanup_module(void)
static const struct net_device_ops mac8390_netdev_ops = {
.ndo_open = mac8390_open,
.ndo_stop = mac8390_close,
- .ndo_start_xmit = ei_start_xmit,
- .ndo_tx_timeout = ei_tx_timeout,
- .ndo_get_stats = ei_get_stats,
- .ndo_set_multicast_list = ei_set_multicast_list,
+ .ndo_start_xmit = __ei_start_xmit,
+ .ndo_tx_timeout = __ei_tx_timeout,
+ .ndo_get_stats = __ei_get_stats,
+ .ndo_set_multicast_list = __ei_set_multicast_list,
.ndo_validate_addr = eth_validate_addr,
.ndo_set_mac_address = eth_mac_addr,
.ndo_change_mtu = eth_change_mtu,
diff --git a/drivers/net/r8169.c b/drivers/net/r8169.c
index 0b6e8c896835..8247a945a1d9 100644
--- a/drivers/net/r8169.c
+++ b/drivers/net/r8169.c
@@ -3554,54 +3554,64 @@ static irqreturn_t rtl8169_interrupt(int irq, void *dev_instance)
int handled = 0;
int status;
+ /* loop handling interrupts until we have no new ones or
+ * we hit a invalid/hotplug case.
+ */
status = RTL_R16(IntrStatus);
+ while (status && status != 0xffff) {
+ handled = 1;
- /* hotplug/major error/no more work/shared irq */
- if ((status == 0xffff) || !status)
- goto out;
-
- handled = 1;
+ /* Handle all of the error cases first. These will reset
+ * the chip, so just exit the loop.
+ */
+ if (unlikely(!netif_running(dev))) {
+ rtl8169_asic_down(ioaddr);
+ break;
+ }
- if (unlikely(!netif_running(dev))) {
- rtl8169_asic_down(ioaddr);
- goto out;
- }
+ /* Work around for rx fifo overflow */
+ if (unlikely(status & RxFIFOOver) &&
+ (tp->mac_version == RTL_GIGA_MAC_VER_11)) {
+ netif_stop_queue(dev);
+ rtl8169_tx_timeout(dev);
+ break;
+ }
- status &= tp->intr_mask;
- RTL_W16(IntrStatus,
- (status & RxFIFOOver) ? (status | RxOverflow) : status);
+ if (unlikely(status & SYSErr)) {
+ rtl8169_pcierr_interrupt(dev);
+ break;
+ }
- if (!(status & tp->intr_event))
- goto out;
+ if (status & LinkChg)
+ rtl8169_check_link_status(dev, tp, ioaddr);
- /* Work around for rx fifo overflow */
- if (unlikely(status & RxFIFOOver) &&
- (tp->mac_version == RTL_GIGA_MAC_VER_11)) {
- netif_stop_queue(dev);
- rtl8169_tx_timeout(dev);
- goto out;
- }
+ /* We need to see the lastest version of tp->intr_mask to
+ * avoid ignoring an MSI interrupt and having to wait for
+ * another event which may never come.
+ */
+ smp_rmb();
+ if (status & tp->intr_mask & tp->napi_event) {
+ RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
+ tp->intr_mask = ~tp->napi_event;
+
+ if (likely(napi_schedule_prep(&tp->napi)))
+ __napi_schedule(&tp->napi);
+ else if (netif_msg_intr(tp)) {
+ printk(KERN_INFO "%s: interrupt %04x in poll\n",
+ dev->name, status);
+ }
+ }
- if (unlikely(status & SYSErr)) {
- rtl8169_pcierr_interrupt(dev);
- goto out;
+ /* We only get a new MSI interrupt when all active irq
+ * sources on the chip have been acknowledged. So, ack
+ * everything we've seen and check if new sources have become
+ * active to avoid blocking all interrupts from the chip.
+ */
+ RTL_W16(IntrStatus,
+ (status & RxFIFOOver) ? (status | RxOverflow) : status);
+ status = RTL_R16(IntrStatus);
}
- if (status & LinkChg)
- rtl8169_check_link_status(dev, tp, ioaddr);
-
- if (status & tp->napi_event) {
- RTL_W16(IntrMask, tp->intr_event & ~tp->napi_event);
- tp->intr_mask = ~tp->napi_event;
-
- if (likely(napi_schedule_prep(&tp->napi)))
- __napi_schedule(&tp->napi);
- else if (netif_msg_intr(tp)) {
- printk(KERN_INFO "%s: interrupt %04x in poll\n",
- dev->name, status);
- }
- }
-out:
return IRQ_RETVAL(handled);
}
@@ -3617,13 +3627,15 @@ static int rtl8169_poll(struct napi_struct *napi, int budget)
if (work_done < budget) {
napi_complete(napi);
- tp->intr_mask = 0xffff;
- /*
- * 20040426: the barrier is not strictly required but the
- * behavior of the irq handler could be less predictable
- * without it. Btw, the lack of flush for the posted pci
- * write is safe - FR
+
+ /* We need for force the visibility of tp->intr_mask
+ * for other CPUs, as we can loose an MSI interrupt
+ * and potentially wait for a retransmit timeout if we don't.
+ * The posted write to IntrMask is safe, as it will
+ * eventually make it to the chip and we won't loose anything
+ * until it does.
*/
+ tp->intr_mask = 0xffff;
smp_wmb();
RTL_W16(IntrMask, tp->intr_event);
}
diff --git a/drivers/net/wimax/i2400m/usb.c b/drivers/net/wimax/i2400m/usb.c
index ca4151a9e222..17851321b7fd 100644
--- a/drivers/net/wimax/i2400m/usb.c
+++ b/drivers/net/wimax/i2400m/usb.c
@@ -505,27 +505,52 @@ int i2400mu_suspend(struct usb_interface *iface, pm_message_t pm_msg)
#ifdef CONFIG_PM
struct usb_device *usb_dev = i2400mu->usb_dev;
#endif
+ unsigned is_autosuspend = 0;
struct i2400m *i2400m = &i2400mu->i2400m;
+#ifdef CONFIG_PM
+ if (usb_dev->auto_pm > 0)
+ is_autosuspend = 1;
+#endif
+
d_fnstart(3, dev, "(iface %p pm_msg %u)\n", iface, pm_msg.event);
if (i2400m->updown == 0)
goto no_firmware;
- d_printf(1, dev, "fw up, requesting standby\n");
+ if (i2400m->state == I2400M_SS_DATA_PATH_CONNECTED && is_autosuspend) {
+ /* ugh -- the device is connected and this suspend
+ * request is an autosuspend one (not a system standby
+ * / hibernate).
+ *
+ * The only way the device can go to standby is if the
+ * link with the base station is in IDLE mode; that
+ * were the case, we'd be in status
+ * I2400M_SS_CONNECTED_IDLE. But we are not.
+ *
+ * If we *tell* him to go power save now, it'll reset
+ * as a precautionary measure, so if this is an
+ * autosuspend thing, say no and it'll come back
+ * later, when the link is IDLE
+ */
+ result = -EBADF;
+ d_printf(1, dev, "fw up, link up, not-idle, autosuspend: "
+ "not entering powersave\n");
+ goto error_not_now;
+ }
+ d_printf(1, dev, "fw up: entering powersave\n");
atomic_dec(&i2400mu->do_autopm);
result = i2400m_cmd_enter_powersave(i2400m);
atomic_inc(&i2400mu->do_autopm);
-#ifdef CONFIG_PM
- if (result < 0 && usb_dev->auto_pm == 0) {
+ if (result < 0 && !is_autosuspend) {
/* System suspend, can't fail */
dev_err(dev, "failed to suspend, will reset on resume\n");
result = 0;
}
-#endif
if (result < 0)
goto error_enter_powersave;
i2400mu_notification_release(i2400mu);
- d_printf(1, dev, "fw up, got standby\n");
+ d_printf(1, dev, "powersave requested\n");
error_enter_powersave:
+error_not_now:
no_firmware:
d_fnend(3, dev, "(iface %p pm_msg %u) = %d\n",
iface, pm_msg.event, result);
diff --git a/drivers/net/wireless/airo.c b/drivers/net/wireless/airo.c
index d73475739127..9eabf4d1f2e7 100644
--- a/drivers/net/wireless/airo.c
+++ b/drivers/net/wireless/airo.c
@@ -6467,6 +6467,7 @@ static int airo_get_encode(struct net_device *dev,
{
struct airo_info *local = dev->ml_priv;
int index = (dwrq->flags & IW_ENCODE_INDEX) - 1;
+ int wep_key_len;
u8 buf[16];
if (!local->wep_capable)
@@ -6500,11 +6501,13 @@ static int airo_get_encode(struct net_device *dev,
dwrq->flags |= index + 1;
/* Copy the key to the user buffer */
- dwrq->length = get_wep_key(local, index, &buf[0], sizeof(buf));
- if (dwrq->length != -1)
- memcpy(extra, buf, dwrq->length);
- else
+ wep_key_len = get_wep_key(local, index, &buf[0], sizeof(buf));
+ if (wep_key_len < 0) {
dwrq->length = 0;
+ } else {
+ dwrq->length = wep_key_len;
+ memcpy(extra, buf, dwrq->length);
+ }
return 0;
}
@@ -6617,7 +6620,7 @@ static int airo_get_encodeext(struct net_device *dev,
struct airo_info *local = dev->ml_priv;
struct iw_point *encoding = &wrqu->encoding;
struct iw_encode_ext *ext = (struct iw_encode_ext *)extra;
- int idx, max_key_len;
+ int idx, max_key_len, wep_key_len;
u8 buf[16];
if (!local->wep_capable)
@@ -6661,11 +6664,13 @@ static int airo_get_encodeext(struct net_device *dev,
memset(extra, 0, 16);
/* Copy the key to the user buffer */
- ext->key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
- if (ext->key_len != -1)
- memcpy(extra, buf, ext->key_len);
- else
+ wep_key_len = get_wep_key(local, idx, &buf[0], sizeof(buf));
+ if (wep_key_len < 0) {
ext->key_len = 0;
+ } else {
+ ext->key_len = wep_key_len;
+ memcpy(extra, buf, ext->key_len);
+ }
return 0;
}
diff --git a/drivers/net/wireless/ath5k/phy.c b/drivers/net/wireless/ath5k/phy.c
index 9e2faae5ae94..b48b29dca3d2 100644
--- a/drivers/net/wireless/ath5k/phy.c
+++ b/drivers/net/wireless/ath5k/phy.c
@@ -1487,28 +1487,35 @@ ath5k_get_linear_pcdac_min(const u8 *stepL, const u8 *stepR,
{
s8 tmp;
s16 min_pwrL, min_pwrR;
- s16 pwr_i = pwrL[0];
-
- do {
- pwr_i--;
- tmp = (s8) ath5k_get_interpolated_value(pwr_i,
- pwrL[0], pwrL[1],
- stepL[0], stepL[1]);
-
- } while (tmp > 1);
-
- min_pwrL = pwr_i;
-
- pwr_i = pwrR[0];
- do {
- pwr_i--;
- tmp = (s8) ath5k_get_interpolated_value(pwr_i,
- pwrR[0], pwrR[1],
- stepR[0], stepR[1]);
-
- } while (tmp > 1);
+ s16 pwr_i;
+
+ if (pwrL[0] == pwrL[1])
+ min_pwrL = pwrL[0];
+ else {
+ pwr_i = pwrL[0];
+ do {
+ pwr_i--;
+ tmp = (s8) ath5k_get_interpolated_value(pwr_i,
+ pwrL[0], pwrL[1],
+ stepL[0], stepL[1]);
+ } while (tmp > 1);
+
+ min_pwrL = pwr_i;
+ }
- min_pwrR = pwr_i;
+ if (pwrR[0] == pwrR[1])
+ min_pwrR = pwrR[0];
+ else {
+ pwr_i = pwrR[0];
+ do {
+ pwr_i--;
+ tmp = (s8) ath5k_get_interpolated_value(pwr_i,
+ pwrR[0], pwrR[1],
+ stepR[0], stepR[1]);
+ } while (tmp > 1);
+
+ min_pwrR = pwr_i;
+ }
/* Keep the right boundary so that it works for both curves */
return max(min_pwrL, min_pwrR);
diff --git a/drivers/net/wireless/ath5k/reset.c b/drivers/net/wireless/ath5k/reset.c
index 7a17d31b2fd9..5f72c111c2e8 100644
--- a/drivers/net/wireless/ath5k/reset.c
+++ b/drivers/net/wireless/ath5k/reset.c
@@ -26,7 +26,7 @@
\*****************************/
#include <linux/pci.h> /* To determine if a card is pci-e */
-#include <linux/bitops.h> /* For get_bitmask_order */
+#include <linux/log2.h>
#include "ath5k.h"
#include "reg.h"
#include "base.h"
@@ -69,10 +69,10 @@ static inline int ath5k_hw_write_ofdm_timings(struct ath5k_hw *ah,
/* Get exponent
* ALGO: coef_exp = 14 - highest set bit position */
- coef_exp = get_bitmask_order(coef_scaled);
+ coef_exp = ilog2(coef_scaled);
/* Doesn't make sense if it's zero*/
- if (!coef_exp)
+ if (!coef_scaled || !coef_exp)
return -EINVAL;
/* Note: we've shifted coef_scaled by 24 */
@@ -359,7 +359,7 @@ int ath5k_hw_nic_wakeup(struct ath5k_hw *ah, int flags, bool initial)
mode |= AR5K_PHY_MODE_FREQ_5GHZ;
if (ah->ah_radio == AR5K_RF5413)
- clock |= AR5K_PHY_PLL_40MHZ_5413;
+ clock = AR5K_PHY_PLL_40MHZ_5413;
else
clock |= AR5K_PHY_PLL_40MHZ;
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index e5ca2511a81a..9452461ce864 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -46,7 +46,7 @@
#include "iwl-6000-hw.h"
/* Highest firmware API version supported */
-#define IWL5000_UCODE_API_MAX 1
+#define IWL5000_UCODE_API_MAX 2
#define IWL5150_UCODE_API_MAX 2
/* Lowest firmware API version supported */
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 3bb28db4a40f..f46ba2475776 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -669,13 +669,6 @@ static int iwl_set_mode(struct iwl_priv *priv, int mode)
if (!iwl_is_ready_rf(priv))
return -EAGAIN;
- cancel_delayed_work(&priv->scan_check);
- if (iwl_scan_cancel_timeout(priv, 100)) {
- IWL_WARN(priv, "Aborted scan still in progress after 100ms\n");
- IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n");
- return -EAGAIN;
- }
-
iwl_commit_rxon(priv);
return 0;
diff --git a/drivers/net/wireless/iwlwifi/iwl-scan.c b/drivers/net/wireless/iwlwifi/iwl-scan.c
index e7c65c4f741b..6330b91e37ce 100644
--- a/drivers/net/wireless/iwlwifi/iwl-scan.c
+++ b/drivers/net/wireless/iwlwifi/iwl-scan.c
@@ -227,9 +227,6 @@ static void iwl_rx_scan_complete_notif(struct iwl_priv *priv,
/* The HW is no longer scanning */
clear_bit(STATUS_SCAN_HW, &priv->status);
- /* The scan completion notification came in, so kill that timer... */
- cancel_delayed_work(&priv->scan_check);
-
IWL_DEBUG_INFO(priv, "Scan pass on %sGHz took %dms\n",
(priv->scan_bands & BIT(IEEE80211_BAND_2GHZ)) ?
"2.4" : "5.2",
@@ -712,6 +709,8 @@ static void iwl_bg_request_scan(struct work_struct *data)
mutex_lock(&priv->mutex);
+ cancel_delayed_work(&priv->scan_check);
+
if (!iwl_is_ready(priv)) {
IWL_WARN(priv, "request scan called when driver not ready.\n");
goto done;
@@ -925,6 +924,8 @@ void iwl_bg_scan_completed(struct work_struct *work)
IWL_DEBUG_SCAN(priv, "SCAN complete scan\n");
+ cancel_delayed_work(&priv->scan_check);
+
ieee80211_scan_completed(priv->hw, false);
if (test_bit(STATUS_EXIT_PENDING, &priv->status))
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 4cce66133500..ff4d0e41d7c4 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -782,13 +782,6 @@ static int iwl3945_set_mode(struct iwl_priv *priv, int mode)
if (!iwl_is_ready_rf(priv))
return -EAGAIN;
- cancel_delayed_work(&priv->scan_check);
- if (iwl_scan_cancel_timeout(priv, 100)) {
- IWL_WARN(priv, "Aborted scan still in progress after 100ms\n");
- IWL_DEBUG_MAC80211(priv, "leaving - scan abort failed.\n");
- return -EAGAIN;
- }
-
iwl3945_commit_rxon(priv);
return 0;
@@ -3298,6 +3291,8 @@ static void iwl3945_bg_request_scan(struct work_struct *data)
mutex_lock(&priv->mutex);
+ cancel_delayed_work(&priv->scan_check);
+
if (!iwl_is_ready(priv)) {
IWL_WARN(priv, "request scan called when driver not ready.\n");
goto done;
diff --git a/drivers/net/wireless/rt2x00/rt2x00debug.c b/drivers/net/wireless/rt2x00/rt2x00debug.c
index 07d378ef0b46..7b3ee8c2eaef 100644
--- a/drivers/net/wireless/rt2x00/rt2x00debug.c
+++ b/drivers/net/wireless/rt2x00/rt2x00debug.c
@@ -138,7 +138,7 @@ void rt2x00debug_update_crypto(struct rt2x00_dev *rt2x00dev,
if (cipher == CIPHER_TKIP_NO_MIC)
cipher = CIPHER_TKIP;
- if (cipher == CIPHER_NONE || cipher > CIPHER_MAX)
+ if (cipher == CIPHER_NONE || cipher >= CIPHER_MAX)
return;
/* Remove CIPHER_NONE index */
diff --git a/net/core/pktgen.c b/net/core/pktgen.c
index 3779c1438c11..0666a827bc62 100644
--- a/net/core/pktgen.c
+++ b/net/core/pktgen.c
@@ -2447,7 +2447,7 @@ static inline void free_SAs(struct pktgen_dev *pkt_dev)
if (pkt_dev->cflows) {
/* let go of the SAs if we have them */
int i = 0;
- for (; i < pkt_dev->nflows; i++){
+ for (; i < pkt_dev->cflows; i++) {
struct xfrm_state *x = pkt_dev->flows[i].x;
if (x) {
xfrm_state_put(x);
diff --git a/net/ipv4/fib_trie.c b/net/ipv4/fib_trie.c
index ec0ae490f0b6..33c7c85dfe40 100644
--- a/net/ipv4/fib_trie.c
+++ b/net/ipv4/fib_trie.c
@@ -986,9 +986,12 @@ fib_find_node(struct trie *t, u32 key)
static struct node *trie_rebalance(struct trie *t, struct tnode *tn)
{
int wasfull;
- t_key cindex, key = tn->key;
+ t_key cindex, key;
struct tnode *tp;
+ preempt_disable();
+ key = tn->key;
+
while (tn != NULL && (tp = node_parent((struct node *)tn)) != NULL) {
cindex = tkey_extract_bits(key, tp->pos, tp->bits);
wasfull = tnode_full(tp, tnode_get_child(tp, cindex));
@@ -1007,6 +1010,7 @@ static struct node *trie_rebalance(struct trie *t, struct tnode *tn)
if (IS_TNODE(tn))
tn = (struct tnode *)resize(t, (struct tnode *)tn);
+ preempt_enable();
return (struct node *)tn;
}
diff --git a/net/ipv4/route.c b/net/ipv4/route.c
index c4c60e9f068a..28205e5bfa9b 100644
--- a/net/ipv4/route.c
+++ b/net/ipv4/route.c
@@ -784,8 +784,8 @@ static void rt_check_expire(void)
{
static unsigned int rover;
unsigned int i = rover, goal;
- struct rtable *rth, **rthp;
- unsigned long length = 0, samples = 0;
+ struct rtable *rth, *aux, **rthp;
+ unsigned long samples = 0;
unsigned long sum = 0, sum2 = 0;
u64 mult;
@@ -795,9 +795,9 @@ static void rt_check_expire(void)
goal = (unsigned int)mult;
if (goal > rt_hash_mask)
goal = rt_hash_mask + 1;
- length = 0;
for (; goal > 0; goal--) {
unsigned long tmo = ip_rt_gc_timeout;
+ unsigned long length;
i = (i + 1) & rt_hash_mask;
rthp = &rt_hash_table[i].chain;
@@ -809,8 +809,10 @@ static void rt_check_expire(void)
if (*rthp == NULL)
continue;
+ length = 0;
spin_lock_bh(rt_hash_lock_addr(i));
while ((rth = *rthp) != NULL) {
+ prefetch(rth->u.dst.rt_next);
if (rt_is_expired(rth)) {
*rthp = rth->u.dst.rt_next;
rt_free(rth);
@@ -819,33 +821,30 @@ static void rt_check_expire(void)
if (rth->u.dst.expires) {
/* Entry is expired even if it is in use */
if (time_before_eq(jiffies, rth->u.dst.expires)) {
+nofree:
tmo >>= 1;
rthp = &rth->u.dst.rt_next;
/*
- * Only bump our length if the hash
- * inputs on entries n and n+1 are not
- * the same, we only count entries on
+ * We only count entries on
* a chain with equal hash inputs once
* so that entries for different QOS
* levels, and other non-hash input
* attributes don't unfairly skew
* the length computation
*/
- if ((*rthp == NULL) ||
- !compare_hash_inputs(&(*rthp)->fl,
- &rth->fl))
- length += ONE;
+ for (aux = rt_hash_table[i].chain;;) {
+ if (aux == rth) {
+ length += ONE;
+ break;
+ }
+ if (compare_hash_inputs(&aux->fl, &rth->fl))
+ break;
+ aux = aux->u.dst.rt_next;
+ }
continue;
}
- } else if (!rt_may_expire(rth, tmo, ip_rt_gc_timeout)) {
- tmo >>= 1;
- rthp = &rth->u.dst.rt_next;
- if ((*rthp == NULL) ||
- !compare_hash_inputs(&(*rthp)->fl,
- &rth->fl))
- length += ONE;
- continue;
- }
+ } else if (!rt_may_expire(rth, tmo, ip_rt_gc_timeout))
+ goto nofree;
/* Cleanup aged off entries. */
*rthp = rth->u.dst.rt_next;
@@ -1068,7 +1067,6 @@ out: return 0;
static int rt_intern_hash(unsigned hash, struct rtable *rt, struct rtable **rp)
{
struct rtable *rth, **rthp;
- struct rtable *rthi;
unsigned long now;
struct rtable *cand, **candp;
u32 min_score;
@@ -1088,7 +1086,6 @@ restart:
}
rthp = &rt_hash_table[hash].chain;
- rthi = NULL;
spin_lock_bh(rt_hash_lock_addr(hash));
while ((rth = *rthp) != NULL) {
@@ -1134,17 +1131,6 @@ restart:
chain_length++;
rthp = &rth->u.dst.rt_next;
-
- /*
- * check to see if the next entry in the chain
- * contains the same hash input values as rt. If it does
- * This is where we will insert into the list, instead of
- * at the head. This groups entries that differ by aspects not
- * relvant to the hash function together, which we use to adjust
- * our chain length
- */
- if (*rthp && compare_hash_inputs(&(*rthp)->fl, &rt->fl))
- rthi = rth;
}
if (cand) {
@@ -1205,10 +1191,7 @@ restart:
}
}
- if (rthi)
- rt->u.dst.rt_next = rthi->u.dst.rt_next;
- else
- rt->u.dst.rt_next = rt_hash_table[hash].chain;
+ rt->u.dst.rt_next = rt_hash_table[hash].chain;
#if RT_CACHE_DEBUG >= 2
if (rt->u.dst.rt_next) {
@@ -1224,10 +1207,7 @@ restart:
* previous writes to rt are comitted to memory
* before making rt visible to other CPUS.
*/
- if (rthi)
- rcu_assign_pointer(rthi->u.dst.rt_next, rt);
- else
- rcu_assign_pointer(rt_hash_table[hash].chain, rt);
+ rcu_assign_pointer(rt_hash_table[hash].chain, rt);
spin_unlock_bh(rt_hash_lock_addr(hash));
*rp = rt;
diff --git a/net/ipv4/tcp_vegas.c b/net/ipv4/tcp_vegas.c
index a453aac91bd3..c6743eec9b7d 100644
--- a/net/ipv4/tcp_vegas.c
+++ b/net/ipv4/tcp_vegas.c
@@ -158,6 +158,11 @@ void tcp_vegas_cwnd_event(struct sock *sk, enum tcp_ca_event event)
}
EXPORT_SYMBOL_GPL(tcp_vegas_cwnd_event);
+static inline u32 tcp_vegas_ssthresh(struct tcp_sock *tp)
+{
+ return min(tp->snd_ssthresh, tp->snd_cwnd-1);
+}
+
static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
{
struct tcp_sock *tp = tcp_sk(sk);
@@ -221,11 +226,10 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
*/
diff = tp->snd_cwnd * (rtt-vegas->baseRTT) / vegas->baseRTT;
- if (diff > gamma && tp->snd_ssthresh > 2 ) {
+ if (diff > gamma && tp->snd_cwnd <= tp->snd_ssthresh) {
/* Going too fast. Time to slow down
* and switch to congestion avoidance.
*/
- tp->snd_ssthresh = 2;
/* Set cwnd to match the actual rate
* exactly:
@@ -235,6 +239,7 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
* utilization.
*/
tp->snd_cwnd = min(tp->snd_cwnd, (u32)target_cwnd+1);
+ tp->snd_ssthresh = tcp_vegas_ssthresh(tp);
} else if (tp->snd_cwnd <= tp->snd_ssthresh) {
/* Slow start. */
@@ -250,6 +255,8 @@ static void tcp_vegas_cong_avoid(struct sock *sk, u32 ack, u32 in_flight)
* we slow down.
*/
tp->snd_cwnd--;
+ tp->snd_ssthresh
+ = tcp_vegas_ssthresh(tp);
} else if (diff < alpha) {
/* We don't have enough extra packets
* in the network, so speed up.
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 1394ddb6e35c..032a5ec391c5 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -137,6 +137,7 @@ static struct rt6_info ip6_null_entry_template = {
}
},
.rt6i_flags = (RTF_REJECT | RTF_NONEXTHOP),
+ .rt6i_protocol = RTPROT_KERNEL,
.rt6i_metric = ~(u32) 0,
.rt6i_ref = ATOMIC_INIT(1),
};
@@ -159,6 +160,7 @@ static struct rt6_info ip6_prohibit_entry_template = {
}
},
.rt6i_flags = (RTF_REJECT | RTF_NONEXTHOP),
+ .rt6i_protocol = RTPROT_KERNEL,
.rt6i_metric = ~(u32) 0,
.rt6i_ref = ATOMIC_INIT(1),
};
@@ -176,6 +178,7 @@ static struct rt6_info ip6_blk_hole_entry_template = {
}
},
.rt6i_flags = (RTF_REJECT | RTF_NONEXTHOP),
+ .rt6i_protocol = RTPROT_KERNEL,
.rt6i_metric = ~(u32) 0,
.rt6i_ref = ATOMIC_INIT(1),
};
diff --git a/net/rxrpc/ar-connection.c b/net/rxrpc/ar-connection.c
index 0f1218b8d289..67e38a056240 100644
--- a/net/rxrpc/ar-connection.c
+++ b/net/rxrpc/ar-connection.c
@@ -343,9 +343,9 @@ static int rxrpc_connect_exclusive(struct rxrpc_sock *rx,
/* not yet present - create a candidate for a new connection
* and then redo the check */
conn = rxrpc_alloc_connection(gfp);
- if (IS_ERR(conn)) {
- _leave(" = %ld", PTR_ERR(conn));
- return PTR_ERR(conn);
+ if (!conn) {
+ _leave(" = -ENOMEM");
+ return -ENOMEM;
}
conn->trans = trans;
@@ -508,9 +508,9 @@ int rxrpc_connect_call(struct rxrpc_sock *rx,
/* not yet present - create a candidate for a new connection and then
* redo the check */
candidate = rxrpc_alloc_connection(gfp);
- if (IS_ERR(candidate)) {
- _leave(" = %ld", PTR_ERR(candidate));
- return PTR_ERR(candidate);
+ if (!candidate) {
+ _leave(" = -ENOMEM");
+ return -ENOMEM;
}
candidate->trans = trans;
diff --git a/net/wireless/reg.c b/net/wireless/reg.c
index 08265ca15785..487cb627ddba 100644
--- a/net/wireless/reg.c
+++ b/net/wireless/reg.c
@@ -1551,6 +1551,13 @@ static int regulatory_hint_core(const char *alpha2)
queue_regulatory_request(request);
+ /*
+ * This ensures last_request is populated once modules
+ * come swinging in and calling regulatory hints and
+ * wiphy_apply_custom_regulatory().
+ */
+ flush_scheduled_work();
+
return 0;
}
diff --git a/net/wireless/wext.c b/net/wireless/wext.c
index cb6a5bb85d80..0e59f9ae9b81 100644
--- a/net/wireless/wext.c
+++ b/net/wireless/wext.c
@@ -786,6 +786,13 @@ static int ioctl_standard_iw_point(struct iw_point *iwp, unsigned int cmd,
err = -EFAULT;
goto out;
}
+
+ if (cmd == SIOCSIWENCODEEXT) {
+ struct iw_encode_ext *ee = (void *) extra;
+
+ if (iwp->length < sizeof(*ee) + ee->key_len)
+ return -EFAULT;
+ }
}
err = handler(dev, info, (union iwreq_data *) iwp, extra);
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-26 11:09:28 +0300