Auto-update from upstream

arch/powerpc/platforms/pseries/xics.c

@@ -48,11 +48,6 @@ static struct hw_interrupt_type xics_pic = {
 	.set_affinity = xics_set_affinity
 };
 
-static struct hw_interrupt_type xics_8259_pic = {
-	.typename = " XICS/8259",
-	.ack = xics_mask_and_ack_irq,
-};
-
 /* This is used to map real irq numbers to virtual */
 static struct radix_tree_root irq_map = RADIX_TREE_INIT(GFP_ATOMIC);
 
@@ -367,12 +362,7 @@ int xics_get_irq(struct pt_regs *regs)
 	/* for sanity, this had better be < NR_IRQS - 16 */
 	if (vec == xics_irq_8259_cascade_real) {
 		irq = i8259_irq(regs);
-		if (irq == -1) {
-			/* Spurious cascaded interrupt.  Still must ack xics */
 		xics_end_irq(irq_offset_up(xics_irq_8259_cascade));
-
-			irq = -1;
-		}
 	} else if (vec == XICS_IRQ_SPURIOUS) {
 		irq = -1;
 	} else {
@@ -542,6 +532,7 @@ void xics_init_IRQ(void)
 		xics_irq_8259_cascade_real = *ireg;
 		xics_irq_8259_cascade
 			= virt_irq_create_mapping(xics_irq_8259_cascade_real);
+		i8259_init(0, 0);
 		of_node_put(np);
 	}
 
@@ -565,12 +556,7 @@ void xics_init_IRQ(void)
 #endif /* CONFIG_SMP */
 	}
 
-	xics_8259_pic.enable = i8259_pic.enable;
-	xics_8259_pic.disable = i8259_pic.disable;
-	xics_8259_pic.end = i8259_pic.end;
-	for (i = 0; i < 16; ++i)
-		get_irq_desc(i)->handler = &xics_8259_pic;
-	for (; i < NR_IRQS; ++i)
+	for (i = irq_offset_value(); i < NR_IRQS; ++i)
 		get_irq_desc(i)->handler = &xics_pic;
 
 	xics_setup_cpu();
@@ -590,7 +576,6 @@ static int __init xics_setup_i8259(void)
 				no_action, 0, "8259 cascade", NULL))
 			printk(KERN_ERR "xics_setup_i8259: couldn't get 8259 "
 					"cascade\n");
-		i8259_init(0, 0);
 	}
 	return 0;
 }

drivers/media/video/saa7127.c

@@ -389,7 +389,7 @@ static int saa7127_set_vps(struct i2c_client *client, struct v4l2_sliced_vbi_dat
 static int saa7127_set_cc(struct i2c_client *client, struct v4l2_sliced_vbi_data *data)
 {
 	struct saa7127_state *state = i2c_get_clientdata(client);
-	u16 cc = data->data[0] << 8 | data->data[1];
+	u16 cc = data->data[1] << 8 | data->data[0];
 	int enable = (data->line != 0);
 
 	if (enable && (data->field != 0 || data->line != 21))
@@ -397,7 +397,7 @@ static int saa7127_set_cc(struct i2c_client *client, struct v4l2_sliced_vbi_data
 	if (state->cc_enable != enable) {
 		saa7127_dbg("Turn CC %s\n", enable ? "on" : "off");
 		saa7127_write(client, SAA7127_REG_CLOSED_CAPTION,
-				(enable << 6) | 0x11);
+				(state->xds_enable << 7) | (enable << 6) | 0x11);
 		state->cc_enable = enable;
 	}
 	if (!enable)
@@ -423,7 +423,7 @@ static int saa7127_set_xds(struct i2c_client *client, struct v4l2_sliced_vbi_dat
 	if (state->xds_enable != enable) {
 		saa7127_dbg("Turn XDS %s\n", enable ? "on" : "off");
 		saa7127_write(client, SAA7127_REG_CLOSED_CAPTION,
-				(enable << 7) | 0x11);
+				(enable << 7) | (state->cc_enable << 6) | 0x11);
 		state->xds_enable = enable;
 	}
 	if (!enable)

drivers/media/video/saa7134/Kconfig

 config VIDEO_SAA7134
 	tristate "Philips SAA7134 support"
-	depends on VIDEO_DEV && PCI && I2C && SOUND && SND
+	depends on VIDEO_DEV && PCI && I2C
 	select VIDEO_BUF
 	select VIDEO_IR
 	select VIDEO_TUNER
 	select CRC32
-	select SND_PCM_OSS
 	---help---
 	  This is a video4linux driver for Philips SAA713x based
 	  TV cards.
@@ -13,6 +12,29 @@ config VIDEO_SAA7134
 	  To compile this driver as a module, choose M here: the
 	  module will be called saa7134.
 
+config VIDEO_SAA7134_ALSA
+	tristate "Philips SAA7134 DMA audio support"
+	depends on VIDEO_SAA7134 && SOUND && SND && (!VIDEO_SAA7134_OSS || VIDEO_SAA7134_OSS = m)
+	select SND_PCM_OSS
+	---help---
+	  This is a video4linux driver for direct (DMA) audio in
+	  Philips SAA713x based TV cards using ALSA
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called saa7134-alsa.
+
+config VIDEO_SAA7134_OSS
+	tristate "Philips SAA7134 DMA audio support (OSS, DEPRECATED)"
+	depends on VIDEO_SAA7134 && SOUND_PRIME && (!VIDEO_SAA7134_ALSA || VIDEO_SAA7134_ALSA = m)
+	---help---
+	  This is a video4linux driver for direct (DMA) audio in
+	  Philips SAA713x based TV cards using OSS
+
+	  This is deprecated in favor of the ALSA module
+
+	  To compile this driver as a module, choose M here: the
+	  module will be called saa7134-oss.
+
 config VIDEO_SAA7134_DVB
 	tristate "DVB/ATSC Support for saa7134 based TV cards"
 	depends on VIDEO_SAA7134 && DVB_CORE

drivers/media/video/saa7134/Makefile

@@ -4,8 +4,11 @@ saa7134-objs :=	saa7134-cards.o saa7134-core.o saa7134-i2c.o	\
 		saa7134-video.o saa7134-input.o
 
 obj-$(CONFIG_VIDEO_SAA7134) +=  saa7134.o saa7134-empress.o \
-				saa6752hs.o saa7134-alsa.o \
-				saa7134-oss.o
+				saa6752hs.o
+
+obj-$(CONFIG_VIDEO_SAA7134_ALSA) += saa7134-alsa.o
+obj-$(CONFIG_VIDEO_SAA7134_OSS) += saa7134-oss.o
+
 obj-$(CONFIG_VIDEO_SAA7134_DVB) += saa7134-dvb.o
 
 EXTRA_CFLAGS += -I$(src)/..

drivers/media/video/saa7134/saa7134-alsa.c

@@ -989,6 +989,14 @@ static int saa7134_alsa_init(void)
 	struct saa7134_dev *dev = NULL;
 	struct list_head *list;
 
+	if (!dmasound_init && !dmasound_exit) {
+		dmasound_init = alsa_device_init;
+		dmasound_exit = alsa_device_exit;
+	} else {
+		printk(KERN_WARNING "saa7134 ALSA: can't load, DMA sound handler already assigned (probably to OSS)\n");
+		return -EBUSY;
+	}
+
 	printk(KERN_INFO "saa7134 ALSA driver for DMA sound loaded\n");
 
 	list_for_each(list,&saa7134_devlist) {
@@ -1001,9 +1009,6 @@ static int saa7134_alsa_init(void)
 		}
 	}
 
-	dmasound_init = alsa_device_init;
-	dmasound_exit = alsa_device_exit;
-
 	if (dev == NULL)
 		printk(KERN_INFO "saa7134 ALSA: no saa7134 cards found\n");
 
@@ -1023,12 +1028,15 @@ static void saa7134_alsa_exit(void)
 		snd_card_free(snd_saa7134_cards[idx]);
 	}
 
+	dmasound_init = NULL;
+	dmasound_exit = NULL;
 	printk(KERN_INFO "saa7134 ALSA driver for DMA sound unloaded\n");
 
 	return;
 }
 
-module_init(saa7134_alsa_init);
+/* We initialize this late, to make sure the sound system is up and running */
+late_initcall(saa7134_alsa_init);
 module_exit(saa7134_alsa_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Ricardo Cerqueira");

drivers/media/video/saa7134/saa7134-oss.c

@@ -959,8 +959,17 @@ static int saa7134_oss_init(void)
 	struct saa7134_dev *dev = NULL;
 	struct list_head *list;
 
+	if (!dmasound_init && !dmasound_exit) {
+		dmasound_init = oss_device_init;
+		dmasound_exit = oss_device_exit;
+	} else {
+		printk(KERN_WARNING "saa7134 OSS: can't load, DMA sound handler already assigned (probably to ALSA)\n");
+		return -EBUSY;
+	}
+
 	printk(KERN_INFO "saa7134 OSS driver for DMA sound loaded\n");
 
+
 	list_for_each(list,&saa7134_devlist) {
 		dev = list_entry(list, struct saa7134_dev, devlist);
 		if (dev->dmasound.priv_data == NULL) {
@@ -974,9 +983,6 @@ static int saa7134_oss_init(void)
 	if (dev == NULL)
 		printk(KERN_INFO "saa7134 OSS: no saa7134 cards found\n");
 
-	dmasound_init = oss_device_init;
-	dmasound_exit = oss_device_exit;
-
 	return 0;
 
 }
@@ -997,12 +1003,16 @@ static void saa7134_oss_exit(void)
 
 	}
 
+	dmasound_init = NULL;
+	dmasound_exit = NULL;
+
 	printk(KERN_INFO "saa7134 OSS driver for DMA sound unloaded\n");
 
 	return;
 }
 
-module_init(saa7134_oss_init);
+/* We initialize this late, to make sure the sound system is up and running */
+late_initcall(saa7134_oss_init);
 module_exit(saa7134_oss_exit);
 MODULE_LICENSE("GPL");
 MODULE_AUTHOR("Gerd Knorr <kraxel@bytesex.org> [SuSE Labs]");

drivers/scsi/scsi_scan.c

@@ -400,6 +400,35 @@ static struct scsi_target *scsi_alloc_target(struct device *parent,
 	return found_target;
 }
 
+struct work_queue_wrapper {
+	struct work_struct	work;
+	struct scsi_target	*starget;
+};
+
+static void scsi_target_reap_work(void *data) {
+	struct work_queue_wrapper *wqw = (struct work_queue_wrapper *)data;
+	struct scsi_target *starget = wqw->starget;
+	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
+	unsigned long flags;
+
+	kfree(wqw);
+
+	spin_lock_irqsave(shost->host_lock, flags);
+
+	if (--starget->reap_ref == 0 && list_empty(&starget->devices)) {
+		list_del_init(&starget->siblings);
+		spin_unlock_irqrestore(shost->host_lock, flags);
+		device_del(&starget->dev);
+		transport_unregister_device(&starget->dev);
+		put_device(&starget->dev);
+		return;
+
+	}
+	spin_unlock_irqrestore(shost->host_lock, flags);
+
+	return;
+}
+
 /**
  * scsi_target_reap - check to see if target is in use and destroy if not
  *
@@ -411,19 +440,18 @@ static struct scsi_target *scsi_alloc_target(struct device *parent,
  */
 void scsi_target_reap(struct scsi_target *starget)
 {
-	struct Scsi_Host *shost = dev_to_shost(starget->dev.parent);
-	unsigned long flags;
-	spin_lock_irqsave(shost->host_lock, flags);
+	struct work_queue_wrapper *wqw = 
+		kzalloc(sizeof(struct work_queue_wrapper), GFP_ATOMIC);
 
-	if (--starget->reap_ref == 0 && list_empty(&starget->devices)) {
-		list_del_init(&starget->siblings);
-		spin_unlock_irqrestore(shost->host_lock, flags);
-		device_del(&starget->dev);
-		transport_unregister_device(&starget->dev);
-		put_device(&starget->dev);
+	if (!wqw) {
+		starget_printk(KERN_ERR, starget,
+			       "Failed to allocate memory in scsi_reap_target()\n");
 		return;
 	}
-	spin_unlock_irqrestore(shost->host_lock, flags);
+
+	INIT_WORK(&wqw->work, scsi_target_reap_work, wqw);
+	wqw->starget = starget;
+	schedule_work(&wqw->work);
 }
 
 /**

drivers/scsi/scsi_transport_fc.c

@@ -105,6 +105,7 @@ static struct {
 	{ FC_PORTSTATE_LINKDOWN,	"Linkdown" },
 	{ FC_PORTSTATE_ERROR,		"Error" },
 	{ FC_PORTSTATE_LOOPBACK,	"Loopback" },
+	{ FC_PORTSTATE_DELETED,		"Deleted" },
 };
 fc_enum_name_search(port_state, fc_port_state, fc_port_state_names)
 #define FC_PORTSTATE_MAX_NAMELEN	20
@@ -211,6 +212,7 @@ fc_bitfield_name_search(remote_port_roles, fc_remote_port_role_names)
 #define FC_MGMTSRVR_PORTID		0x00000a
 
 
+static void fc_shost_remove_rports(void  *data);
 static void fc_timeout_deleted_rport(void *data);
 static void fc_scsi_scan_rport(void *data);
 static void fc_rport_terminate(struct fc_rport  *rport);
@@ -318,6 +320,8 @@ static int fc_host_setup(struct transport_container *tc, struct device *dev,
 	fc_host_next_rport_number(shost) = 0;
 	fc_host_next_target_id(shost) = 0;
 
+	fc_host_flags(shost) = 0;
+	INIT_WORK(&fc_host_rport_del_work(shost), fc_shost_remove_rports, shost);
 	return 0;
 }
 
@@ -387,6 +391,7 @@ show_fc_rport_##field (struct class_device *cdev, char *buf)		\
 	struct fc_internal *i = to_fc_internal(shost->transportt);	\
 	if ((i->f->get_rport_##field) &&				\
 	    !((rport->port_state == FC_PORTSTATE_BLOCKED) ||		\
+	      (rport->port_state == FC_PORTSTATE_DELETED) ||		\
 	      (rport->port_state == FC_PORTSTATE_NOTPRESENT)))		\
 		i->f->get_rport_##field(rport);				\
 	return snprintf(buf, sz, format_string, cast rport->field); 	\
@@ -402,6 +407,7 @@ store_fc_rport_##field(struct class_device *cdev, const char *buf,	\
 	struct Scsi_Host *shost = rport_to_shost(rport);		\
 	struct fc_internal *i = to_fc_internal(shost->transportt);	\
 	if ((rport->port_state == FC_PORTSTATE_BLOCKED) ||		\
+	    (rport->port_state == FC_PORTSTATE_DELETED) ||		\
 	    (rport->port_state == FC_PORTSTATE_NOTPRESENT))		\
 		return -EBUSY;						\
 	val = simple_strtoul(buf, NULL, 0);				\
@@ -519,6 +525,7 @@ store_fc_rport_dev_loss_tmo(struct class_device *cdev, const char *buf,
 	struct Scsi_Host *shost = rport_to_shost(rport);
 	struct fc_internal *i = to_fc_internal(shost->transportt);
 	if ((rport->port_state == FC_PORTSTATE_BLOCKED) ||
+	    (rport->port_state == FC_PORTSTATE_DELETED) ||
 	    (rport->port_state == FC_PORTSTATE_NOTPRESENT))
 		return -EBUSY;
 	val = simple_strtoul(buf, NULL, 0);
@@ -1769,7 +1776,7 @@ fc_timeout_deleted_rport(void  *data)
 	rport->maxframe_size = -1;
 	rport->supported_classes = FC_COS_UNSPECIFIED;
 	rport->roles = FC_RPORT_ROLE_UNKNOWN;
-	rport->port_state = FC_PORTSTATE_NOTPRESENT;
+	rport->port_state = FC_PORTSTATE_DELETED;
 
 	/* remove the identifiers that aren't used in the consisting binding */
 	switch (fc_host_tgtid_bind_type(shost)) {
@@ -1789,14 +1796,23 @@ fc_timeout_deleted_rport(void  *data)
 		break;
 	}
 
-	spin_unlock_irqrestore(shost->host_lock, flags);
-
 	/*
 	 * As this only occurs if the remote port (scsi target)
 	 * went away and didn't come back - we'll remove
 	 * all attached scsi devices.
+	 *
+	 * We'll schedule the shost work item to perform the actual removal
+	 * to avoid recursion in the different flush calls if we perform
+	 * the removal in each target - and there are lots of targets
+	 * whose timeouts fire at the same time.
 	 */
-	fc_rport_tgt_remove(rport);
+
+	if ( !(fc_host_flags(shost) & FC_SHOST_RPORT_DEL_SCHEDULED)) {
+		fc_host_flags(shost) |= FC_SHOST_RPORT_DEL_SCHEDULED;
+		scsi_queue_work(shost, &fc_host_rport_del_work(shost));
+	}
+
+	spin_unlock_irqrestore(shost->host_lock, flags);
 }
 
 /**
@@ -1818,6 +1834,41 @@ fc_scsi_scan_rport(void *data)
 }
 
 
+/**
+ * fc_shost_remove_rports - called to remove all rports that are marked
+ *                       as in a deleted (not connected) state.
+ * 
+ * @data:	shost whose rports are to be looked at
+ **/
+static void
+fc_shost_remove_rports(void  *data)
+{
+	struct Scsi_Host *shost = (struct Scsi_Host *)data;
+	struct fc_rport *rport, *next_rport;
+	unsigned long flags;
+
+	spin_lock_irqsave(shost->host_lock, flags);
+	while (fc_host_flags(shost) & FC_SHOST_RPORT_DEL_SCHEDULED) {
+
+		fc_host_flags(shost) &= ~FC_SHOST_RPORT_DEL_SCHEDULED;
+
+restart_search:
+		list_for_each_entry_safe(rport, next_rport,
+				&fc_host_rport_bindings(shost), peers) {
+			if (rport->port_state == FC_PORTSTATE_DELETED) {
+				rport->port_state = FC_PORTSTATE_NOTPRESENT;
+				spin_unlock_irqrestore(shost->host_lock, flags);
+				fc_rport_tgt_remove(rport);
+				spin_lock_irqsave(shost->host_lock, flags);
+				goto restart_search;
+			}
+		}
+
+	}
+	spin_unlock_irqrestore(shost->host_lock, flags);
+}
+
+
 MODULE_AUTHOR("Martin Hicks");
 MODULE_DESCRIPTION("FC Transport Attributes");
 MODULE_LICENSE("GPL");

drivers/usb/core/usb.c

@@ -1432,7 +1432,8 @@ static int usb_generic_suspend(struct device *dev, pm_message_t message)
 			mark_quiesced(intf);
 	} else {
 		// FIXME else if there's no suspend method, disconnect...
-		dev_warn(dev, "no %s?\n", "suspend");
+		dev_warn(dev, "no suspend for driver %s?\n", driver->name);
+		mark_quiesced(intf);
 		status = 0;
 	}
 	return status;
@@ -1460,8 +1461,10 @@ static int usb_generic_resume(struct device *dev)
 	}
 
 	if ((dev->driver == NULL) ||
-	    (dev->driver_data == &usb_generic_driver_data))
+	    (dev->driver_data == &usb_generic_driver_data)) {
+		dev->power.power_state.event = PM_EVENT_FREEZE;
 		return 0;
+	}
 
 	intf = to_usb_interface(dev);
 	driver = to_usb_driver(dev->driver);
@@ -1481,7 +1484,7 @@ static int usb_generic_resume(struct device *dev)
 			mark_quiesced(intf);
 		}
 	} else
-		dev_warn(dev, "no %s?\n", "resume");
+		dev_warn(dev, "no resume for driver %s?\n", driver->name);
 	return 0;
 }
 

drivers/usb/storage/scsiglue.c

@@ -109,7 +109,7 @@ static int slave_configure(struct scsi_device *sdev)
 	 * data comes from.
 	 */
 	if (sdev->scsi_level < SCSI_2)
-		sdev->scsi_level = SCSI_2;
+		sdev->scsi_level = sdev->sdev_target->scsi_level = SCSI_2;
 
 	/* According to the technical support people at Genesys Logic,
 	 * devices using their chips have problems transferring more than
@@ -162,7 +162,7 @@ static int slave_configure(struct scsi_device *sdev)
 		 * a Get-Max-LUN request, we won't lose much by setting the
 		 * revision level down to 2.  The only devices that would be
 		 * affected are those with sparse LUNs. */
-		sdev->scsi_level = SCSI_2;
+		sdev->scsi_level = sdev->sdev_target->scsi_level = SCSI_2;
 
 		/* USB-IDE bridges tend to report SK = 0x04 (Non-recoverable
 		 * Hardware Error) when any low-level error occurs,

fs/nfs/file.c

@@ -509,7 +509,8 @@ static int nfs_lock(struct file *filp, int cmd, struct file_lock *fl)
 		return -EINVAL;
 
 	/* No mandatory locks over NFS */
-	if ((inode->i_mode & (S_ISGID | S_IXGRP)) == S_ISGID)
+	if ((inode->i_mode & (S_ISGID | S_IXGRP)) == S_ISGID &&
+	    fl->fl_type != F_UNLCK)
 		return -ENOLCK;
 
 	if (IS_GETLK(cmd))

include/linux/ipv6_route.h

@@ -18,6 +18,7 @@
 					   fallback, no routers on link */
 #define RTF_ADDRCONF	0x00040000	/* addrconf route - RA		*/
 #define RTF_PREFIX_RT	0x00080000	/* A prefix only route - RA	*/
+#define RTF_ANYCAST	0x00100000	/* Anycast			*/
 
 #define RTF_NONEXTHOP	0x00200000	/* route with no nexthop	*/
 #define RTF_EXPIRES	0x00400000

include/linux/irq.h

@@ -10,7 +10,7 @@
  */
 
 #include <linux/config.h>
-#include <asm/smp.h>		/* cpu_online_map */
+#include <linux/smp.h>
 
 #if !defined(CONFIG_ARCH_S390)
 

include/linux/preempt.h

@@ -48,6 +48,7 @@ do { \
 #define preempt_enable() \
 do { \
 	preempt_enable_no_resched(); \
+	barrier(); \
 	preempt_check_resched(); \
 } while (0)
 

include/net/if_inet6.h

@@ -24,6 +24,7 @@
 #define IF_RA_MANAGED	0x40
 #define IF_RA_RCVD	0x20
 #define IF_RS_SENT	0x10
+#define IF_READY	0x80000000
 
 /* prefix flags */
 #define IF_PREFIX_ONLINK	0x01

include/scsi/scsi_transport_fc.h

@@ -79,6 +79,7 @@ enum fc_port_state {
 	FC_PORTSTATE_LINKDOWN,
 	FC_PORTSTATE_ERROR,
 	FC_PORTSTATE_LOOPBACK,
+	FC_PORTSTATE_DELETED,
 };
 
 
@@ -325,8 +326,14 @@ struct fc_host_attrs {
 	struct list_head rport_bindings;
 	u32 next_rport_number;
 	u32 next_target_id;
+	u8 flags;
+ 	struct work_struct rport_del_work;
 };
 
+/* values for struct fc_host_attrs "flags" field: */
+#define FC_SHOST_RPORT_DEL_SCHEDULED	0x01
+
+
 #define fc_host_node_name(x) \
 	(((struct fc_host_attrs *)(x)->shost_data)->node_name)
 #define fc_host_port_name(x)	\
@@ -365,6 +372,10 @@ struct fc_host_attrs {
 	(((struct fc_host_attrs *)(x)->shost_data)->next_rport_number)
 #define fc_host_next_target_id(x) \
 	(((struct fc_host_attrs *)(x)->shost_data)->next_target_id)
+#define fc_host_flags(x) \
+	(((struct fc_host_attrs *)(x)->shost_data)->flags)
+#define fc_host_rport_del_work(x) \
+	(((struct fc_host_attrs *)(x)->shost_data)->rport_del_work)
 
 
 /* The functions by which the transport class and the driver communicate */

net/8021q/vlan.c

@@ -753,6 +753,8 @@ static int vlan_ioctl_handler(void __user *arg)
 		break;
 	case GET_VLAN_REALDEV_NAME_CMD:
 		err = vlan_dev_get_realdev_name(args.device1, args.u.device2);
+		if (err)
+			goto out;
 		if (copy_to_user(arg, &args,
 				 sizeof(struct vlan_ioctl_args))) {
 			err = -EFAULT;
@@ -761,6 +763,8 @@ static int vlan_ioctl_handler(void __user *arg)
 
 	case GET_VLAN_VID_CMD:
 		err = vlan_dev_get_vid(args.device1, &vid);
+		if (err)
+			goto out;
 		args.u.VID = vid;
 		if (copy_to_user(arg, &args,
 				 sizeof(struct vlan_ioctl_args))) {
@@ -774,7 +778,7 @@ static int vlan_ioctl_handler(void __user *arg)
 			__FUNCTION__, args.cmd);
 		return -EINVAL;
 	};
-
+out:
 	return err;
 }
 

net/dccp/ipv4.c

@@ -1251,7 +1251,7 @@ static int dccp_v4_destroy_sock(struct sock *sk)
 	struct dccp_sock *dp = dccp_sk(sk);
 
 	/*
-	 * DCCP doesn't use sk_qrite_queue, just sk_send_head
+	 * DCCP doesn't use sk_write_queue, just sk_send_head
 	 * for retransmissions
 	 */
 	if (sk->sk_send_head != NULL) {

net/ipv6/addrconf.c

@@ -137,6 +137,7 @@ static int addrconf_ifdown(struct net_device *dev, int how);
 static void addrconf_dad_start(struct inet6_ifaddr *ifp, u32 flags);
 static void addrconf_dad_timer(unsigned long data);
 static void addrconf_dad_completed(struct inet6_ifaddr *ifp);
+static void addrconf_dad_run(struct inet6_dev *idev);
 static void addrconf_rs_timer(unsigned long data);
 static void __ipv6_ifa_notify(int event, struct inet6_ifaddr *ifa);
 static void ipv6_ifa_notify(int event, struct inet6_ifaddr *ifa);
@@ -388,6 +389,9 @@ static struct inet6_dev * ipv6_add_dev(struct net_device *dev)
 		}
 #endif
 
+		if (netif_carrier_ok(dev))
+			ndev->if_flags |= IF_READY;
+
 		write_lock_bh(&addrconf_lock);
 		dev->ip6_ptr = ndev;
 		write_unlock_bh(&addrconf_lock);
@@ -415,6 +419,7 @@ static struct inet6_dev * ipv6_find_idev(struct net_device *dev)
 		if ((idev = ipv6_add_dev(dev)) == NULL)
 			return NULL;
 	}
+
 	if (dev->flags&IFF_UP)
 		ipv6_mc_up(idev);
 	return idev;
@@ -634,8 +639,7 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
 	}
 #endif
 
-	for (ifap = &idev->addr_list; (ifa=*ifap) != NULL;
-	     ifap = &ifa->if_next) {
+	for (ifap = &idev->addr_list; (ifa=*ifap) != NULL;) {
 		if (ifa == ifp) {
 			*ifap = ifa->if_next;
 			__in6_ifa_put(ifp);
@@ -643,6 +647,7 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
 			if (!(ifp->flags & IFA_F_PERMANENT) || onlink > 0)
 				break;
 			deleted = 1;
+			continue;
 		} else if (ifp->flags & IFA_F_PERMANENT) {
 			if (ipv6_prefix_equal(&ifa->addr, &ifp->addr,
 					      ifp->prefix_len)) {
@@ -666,6 +671,7 @@ static void ipv6_del_addr(struct inet6_ifaddr *ifp)
 				}
 			}
 		}
+		ifap = &ifa->if_next;
 	}
 	write_unlock_bh(&idev->lock);
 
@@ -903,11 +909,18 @@ int ipv6_dev_get_saddr(struct net_device *daddr_dev,
 
 			score.addr_type = __ipv6_addr_type(&ifa->addr);
 
-			/* Rule 0: Candidate Source Address (section 4)
+			/* Rule 0:
+			 * - Tentative Address (RFC2462 section 5.4)
+			 *  - A tentative address is not considered
+			 *    "assigned to an interface" in the traditional
+			 *    sense.
+			 * - Candidate Source Address (section 4)
 			 *  - In any case, anycast addresses, multicast
 			 *    addresses, and the unspecified address MUST
 			 *    NOT be included in a candidate set.
 			 */
+			if (ifa->flags & IFA_F_TENTATIVE)
+				continue;
 			if (unlikely(score.addr_type == IPV6_ADDR_ANY ||
 				     score.addr_type & IPV6_ADDR_MULTICAST)) {
 				LIMIT_NETDEBUG(KERN_DEBUG
@@ -1215,10 +1228,8 @@ int ipv6_rcv_saddr_equal(const struct sock *sk, const struct sock *sk2)
 
 /* Gets referenced address, destroys ifaddr */
 
-void addrconf_dad_failure(struct inet6_ifaddr *ifp)
+void addrconf_dad_stop(struct inet6_ifaddr *ifp)
 {
-	if (net_ratelimit())
-		printk(KERN_INFO "%s: duplicate address detected!\n", ifp->idev->dev->name);
 	if (ifp->flags&IFA_F_PERMANENT) {
 		spin_lock_bh(&ifp->lock);
 		addrconf_del_timer(ifp);
@@ -1244,6 +1255,12 @@ void addrconf_dad_failure(struct inet6_ifaddr *ifp)
 		ipv6_del_addr(ifp);
 }
 
+void addrconf_dad_failure(struct inet6_ifaddr *ifp)
+{
+	if (net_ratelimit())
+		printk(KERN_INFO "%s: duplicate address detected!\n", ifp->idev->dev->name);
+	addrconf_dad_stop(ifp);
+}
 
 /* Join to solicited addr multicast group. */
 
@@ -2133,9 +2150,42 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
 {
 	struct net_device *dev = (struct net_device *) data;
 	struct inet6_dev *idev = __in6_dev_get(dev);
+	int run_pending = 0;
 
 	switch(event) {
 	case NETDEV_UP:
+	case NETDEV_CHANGE:
+		if (event == NETDEV_UP) {
+			if (!netif_carrier_ok(dev)) {
+				/* device is not ready yet. */
+				printk(KERN_INFO
+					"ADDRCONF(NETDEV_UP): %s: "
+					"link is not ready\n",
+					dev->name);
+				break;
+			}
+		} else {
+			if (!netif_carrier_ok(dev)) {
+				/* device is still not ready. */
+				break;
+			}
+
+			if (idev) {
+				if (idev->if_flags & IF_READY) {
+					/* device is already configured. */
+					break;
+				}
+				idev->if_flags |= IF_READY;
+			}
+
+			printk(KERN_INFO
+					"ADDRCONF(NETDEV_CHANGE): %s: "
+					"link becomes ready\n",
+					dev->name);
+
+			run_pending = 1;
+		}
+
 		switch(dev->type) {
 		case ARPHRD_SIT:
 			addrconf_sit_config(dev);
@@ -2152,6 +2202,9 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
 			break;
 		};
 		if (idev) {
+			if (run_pending)
+				addrconf_dad_run(idev);
+
 			/* If the MTU changed during the interface down, when the
 			   interface up, the changed MTU must be reflected in the
 			   idev as well as routers.
@@ -2186,8 +2239,7 @@ static int addrconf_notify(struct notifier_block *this, unsigned long event,
 		 */
 		addrconf_ifdown(dev, event != NETDEV_DOWN);
 		break;
-	case NETDEV_CHANGE:
-		break;
+
 	case NETDEV_CHANGENAME:
 #ifdef CONFIG_SYSCTL
 		if (idev) {
@@ -2268,7 +2320,7 @@ static int addrconf_ifdown(struct net_device *dev, int how)
 
 	/* Step 3: clear flags for stateless addrconf */
 	if (how != 1)
-		idev->if_flags &= ~(IF_RS_SENT|IF_RA_RCVD);
+		idev->if_flags &= ~(IF_RS_SENT|IF_RA_RCVD|IF_READY);
 
 	/* Step 4: clear address list */
 #ifdef CONFIG_IPV6_PRIVACY
@@ -2377,11 +2429,20 @@ static void addrconf_rs_timer(unsigned long data)
 /*
  *	Duplicate Address Detection
  */
+static void addrconf_dad_kick(struct inet6_ifaddr *ifp)
+{
+	unsigned long rand_num;
+	struct inet6_dev *idev = ifp->idev;
+
+	rand_num = net_random() % (idev->cnf.rtr_solicit_delay ? : 1);
+	ifp->probes = idev->cnf.dad_transmits;
+	addrconf_mod_timer(ifp, AC_DAD, rand_num);
+}
+
 static void addrconf_dad_start(struct inet6_ifaddr *ifp, u32 flags)
 {
 	struct inet6_dev *idev = ifp->idev;
 	struct net_device *dev = idev->dev;
-	unsigned long rand_num;
 
 	addrconf_join_solict(dev, &ifp->addr);
 
@@ -2390,7 +2451,6 @@ static void addrconf_dad_start(struct inet6_ifaddr *ifp, u32 flags)
 					flags);
 
 	net_srandom(ifp->addr.s6_addr32[3]);
-	rand_num = net_random() % (idev->cnf.rtr_solicit_delay ? : 1);
 
 	read_lock_bh(&idev->lock);
 	if (ifp->dead)
@@ -2407,8 +2467,17 @@ static void addrconf_dad_start(struct inet6_ifaddr *ifp, u32 flags)
 		return;
 	}
 
-	ifp->probes = idev->cnf.dad_transmits;
-	addrconf_mod_timer(ifp, AC_DAD, rand_num);
+	if (idev->if_flags & IF_READY)
+		addrconf_dad_kick(ifp);
+	else {
+		/*
+		 * If the defice is not ready:
+		 * - keep it tentative if it is a permanent address.
+		 * - otherwise, kill it.
+		 */
+		in6_ifa_hold(ifp);
+		addrconf_dad_stop(ifp);
+	}
 
 	spin_unlock_bh(&ifp->lock);
 out:
@@ -2492,6 +2561,22 @@ static void addrconf_dad_completed(struct inet6_ifaddr *ifp)
 	}
 }
 
+static void addrconf_dad_run(struct inet6_dev *idev) {
+	struct inet6_ifaddr *ifp;
+
+	read_lock_bh(&idev->lock);
+	for (ifp = idev->addr_list; ifp; ifp = ifp->if_next) {
+		spin_lock_bh(&ifp->lock);
+		if (!(ifp->flags & IFA_F_TENTATIVE)) {
+			spin_unlock_bh(&ifp->lock);
+			continue;
+		}
+		spin_unlock_bh(&ifp->lock);
+		addrconf_dad_kick(ifp);
+	}
+	read_unlock_bh(&idev->lock);
+}
+
 #ifdef CONFIG_PROC_FS
 struct if6_iter_state {
 	int bucket;

net/ipv6/icmp.c

@@ -328,8 +328,10 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
 		iif = skb->dev->ifindex;
 
 	/*
-	 *	Must not send if we know that source is Anycast also.
-	 *	for now we don't know that.
+	 *	Must not send error if the source does not uniquely
+	 *	identify a single node (RFC2463 Section 2.4).
+	 *	We check unspecified / multicast addresses here,
+	 *	and anycast addresses will be checked later.
 	 */
 	if ((addr_type == IPV6_ADDR_ANY) || (addr_type & IPV6_ADDR_MULTICAST)) {
 		LIMIT_NETDEBUG(KERN_DEBUG "icmpv6_send: addr_any/mcast source\n");
@@ -373,6 +375,16 @@ void icmpv6_send(struct sk_buff *skb, int type, int code, __u32 info,
 	err = ip6_dst_lookup(sk, &dst, &fl);
 	if (err)
 		goto out;
+
+	/*
+	 * We won't send icmp if the destination is known
+	 * anycast.
+	 */
+	if (((struct rt6_info *)dst)->rt6i_flags & RTF_ANYCAST) {
+		LIMIT_NETDEBUG(KERN_DEBUG "icmpv6_send: acast source\n");
+		goto out_dst_release;
+	}
+
 	if ((err = xfrm_lookup(&dst, &fl, sk, 0)) < 0)
 		goto out;
 

net/ipv6/route.c

@@ -413,11 +413,14 @@ static struct rt6_info *rt6_cow(struct rt6_info *ort, struct in6_addr *daddr,
 	rt = ip6_rt_copy(ort);
 
 	if (rt) {
-		ipv6_addr_copy(&rt->rt6i_dst.addr, daddr);
-
-		if (!(rt->rt6i_flags&RTF_GATEWAY))
+		if (!(rt->rt6i_flags&RTF_GATEWAY)) {
+			if (rt->rt6i_dst.plen != 128 &&
+			    ipv6_addr_equal(&rt->rt6i_dst.addr, daddr))
+				rt->rt6i_flags |= RTF_ANYCAST;
 			ipv6_addr_copy(&rt->rt6i_gateway, daddr);
+		}
 
+		ipv6_addr_copy(&rt->rt6i_dst.addr, daddr);
 		rt->rt6i_dst.plen = 128;
 		rt->rt6i_flags |= RTF_CACHE;
 		rt->u.dst.flags |= DST_HOST;
@@ -1413,7 +1416,9 @@ struct rt6_info *addrconf_dst_alloc(struct inet6_dev *idev,
 	rt->u.dst.obsolete = -1;
 
 	rt->rt6i_flags = RTF_UP | RTF_NONEXTHOP;
-	if (!anycast)
+	if (anycast)
+		rt->rt6i_flags |= RTF_ANYCAST;
+	else
 		rt->rt6i_flags |= RTF_LOCAL;
 	rt->rt6i_nexthop = ndisc_get_neigh(rt->rt6i_dev, &rt->rt6i_gateway);
 	if (rt->rt6i_nexthop == NULL) {

net/netrom/nr_in.c

@@ -99,7 +99,7 @@ static int nr_state1_machine(struct sock *sk, struct sk_buff *skb,
 		break;
 
 	case NR_RESET:
-		if (sysctl_netrom_reset_circuit);
+		if (sysctl_netrom_reset_circuit)
 			nr_disconnect(sk, ECONNRESET);
 		break;
 
@@ -130,7 +130,7 @@ static int nr_state2_machine(struct sock *sk, struct sk_buff *skb,
 		break;
 
 	case NR_RESET:
-		if (sysctl_netrom_reset_circuit);
+		if (sysctl_netrom_reset_circuit)
 			nr_disconnect(sk, ECONNRESET);
 		break;
 
@@ -265,7 +265,7 @@ static int nr_state3_machine(struct sock *sk, struct sk_buff *skb, int frametype
 		break;
 
 	case NR_RESET:
-		if (sysctl_netrom_reset_circuit);
+		if (sysctl_netrom_reset_circuit)
 			nr_disconnect(sk, ECONNRESET);
 		break;
 

net/xfrm/xfrm_policy.c

@@ -346,6 +346,7 @@ int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl)
 	struct xfrm_policy *pol, **p;
 	struct xfrm_policy *delpol = NULL;
 	struct xfrm_policy **newpos = NULL;
+	struct dst_entry *gc_list;
 
 	write_lock_bh(&xfrm_policy_lock);
 	for (p = &xfrm_policy_list[dir]; (pol=*p)!=NULL;) {
@@ -381,9 +382,36 @@ int xfrm_policy_insert(int dir, struct xfrm_policy *policy, int excl)
 		xfrm_pol_hold(policy);
 	write_unlock_bh(&xfrm_policy_lock);
 
-	if (delpol) {
+	if (delpol)
 		xfrm_policy_kill(delpol);
+
+	read_lock_bh(&xfrm_policy_lock);
+	gc_list = NULL;
+	for (policy = policy->next; policy; policy = policy->next) {
+		struct dst_entry *dst;
+
+		write_lock(&policy->lock);
+		dst = policy->bundles;
+		if (dst) {
+			struct dst_entry *tail = dst;
+			while (tail->next)
+				tail = tail->next;
+			tail->next = gc_list;
+			gc_list = dst;
+
+			policy->bundles = NULL;
+		}
+		write_unlock(&policy->lock);
 	}
+	read_unlock_bh(&xfrm_policy_lock);
+
+	while (gc_list) {
+		struct dst_entry *dst = gc_list;
+
+		gc_list = dst->next;
+		dst_free(dst);
+	}
+
 	return 0;
 }
 EXPORT_SYMBOL(xfrm_policy_insert);