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

* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next-2.6: (1699 commits)
  bnx2/bnx2x: Unsupported Ethtool operations should return -EINVAL.
  vlan: Calling vlan_hwaccel_do_receive() is always valid.
  tproxy: use the interface primary IP address as a default value for --on-ip
  tproxy: added IPv6 support to the socket match
  cxgb3: function namespace cleanup
  tproxy: added IPv6 support to the TPROXY target
  tproxy: added IPv6 socket lookup function to nf_tproxy_core
  be2net: Changes to use only priority codes allowed by f/w
  tproxy: allow non-local binds of IPv6 sockets if IP_TRANSPARENT is enabled
  tproxy: added tproxy sockopt interface in the IPV6 layer
  tproxy: added udp6_lib_lookup function
  tproxy: added const specifiers to udp lookup functions
  tproxy: split off ipv6 defragmentation to a separate module
  l2tp: small cleanup
  nf_nat: restrict ICMP translation for embedded header
  can: mcp251x: fix generation of error frames
  can: mcp251x: fix endless loop in interrupt handler if CANINTF_MERRF is set
  can-raw: add msg_flags to distinguish local traffic
  9p: client code cleanup
  rds: make local functions/variables static
  ...

Fix up conflicts in net/core/dev.c, drivers/net/pcmcia/smc91c92_cs.c and
drivers/net/wireless/ath/ath9k/debug.c as per David

4 files changed, 61 insertions, 35 deletions

diff --git a/net/irda/irnet/irnet.h b/net/irda/irnet/irnet.h
index 4300df35d37d..0d82ff5aeff1 100644
--- a/net/irda/irnet/irnet.h
+++ b/net/irda/irnet/irnet.h
@@ -458,6 +458,8 @@ typedef struct irnet_socket
   int			disco_index;	/* Last read in the discovery log */
   int			disco_number;	/* Size of the discovery log */
 
+  struct mutex		lock;
+
 } irnet_socket;
 
 /*
diff --git a/net/irda/irnet/irnet_irda.c b/net/irda/irnet/irnet_irda.c
index e98e40d76f4f..7f17a8020e8a 100644
--- a/net/irda/irnet/irnet_irda.c
+++ b/net/irda/irnet/irnet_irda.c
@@ -238,7 +238,7 @@ irnet_ias_to_tsap(irnet_socket *	self,
   DEXIT(IRDA_SR_TRACE, "\n");
 
   /* Return the TSAP */
-  return(dtsap_sel);
+  return dtsap_sel;
 }
 
 /*------------------------------------------------------------------*/
@@ -301,7 +301,7 @@ irnet_connect_tsap(irnet_socket *	self)
     {
       clear_bit(0, &self->ttp_connect);
       DERROR(IRDA_SR_ERROR, "connect aborted!\n");
-      return(err);
+      return err;
     }
 
   /* Connect to remote device */
@@ -312,7 +312,7 @@ irnet_connect_tsap(irnet_socket *	self)
     {
       clear_bit(0, &self->ttp_connect);
       DERROR(IRDA_SR_ERROR, "connect aborted!\n");
-      return(err);
+      return err;
     }
 
   /* The above call is non-blocking.
@@ -321,7 +321,7 @@ irnet_connect_tsap(irnet_socket *	self)
    * See you there ;-) */
 
   DEXIT(IRDA_SR_TRACE, "\n");
-  return(err);
+  return err;
 }
 
 /*------------------------------------------------------------------*/
@@ -362,10 +362,10 @@ irnet_discover_next_daddr(irnet_socket *	self)
       /* The above request is non-blocking.
        * After a while, IrDA will call us back in irnet_discovervalue_confirm()
        * We will then call irnet_ias_to_tsap() and come back here again... */
-      return(0);
+      return 0;
     }
   else
-    return(1);
+    return 1;
 }
 
 /*------------------------------------------------------------------*/
@@ -436,7 +436,7 @@ irnet_discover_daddr_and_lsap_sel(irnet_socket *	self)
   /* Follow me in irnet_discovervalue_confirm() */
 
   DEXIT(IRDA_SR_TRACE, "\n");
-  return(0);
+  return 0;
 }
 
 /*------------------------------------------------------------------*/
@@ -485,7 +485,7 @@ irnet_dname_to_daddr(irnet_socket *	self)
   /* No luck ! */
   DEBUG(IRDA_SR_INFO, "cannot discover device ``%s'' !!!\n", self->rname);
   kfree(discoveries);
-  return(-EADDRNOTAVAIL);
+  return -EADDRNOTAVAIL;
 }
 
 
@@ -527,7 +527,7 @@ irda_irnet_create(irnet_socket *	self)
   INIT_WORK(&self->disconnect_work, irnet_ppp_disconnect);
 
   DEXIT(IRDA_SOCK_TRACE, "\n");
-  return(0);
+  return 0;
 }
 
 /*------------------------------------------------------------------*/
@@ -601,7 +601,7 @@ irda_irnet_connect(irnet_socket *	self)
    * We will finish the connection procedure in irnet_connect_tsap().
    */
   DEXIT(IRDA_SOCK_TRACE, "\n");
-  return(0);
+  return 0;
 }
 
 /*------------------------------------------------------------------*/
@@ -733,7 +733,7 @@ irnet_daddr_to_dname(irnet_socket *	self)
   /* No luck ! */
   DEXIT(IRDA_SERV_INFO, ": cannot discover device 0x%08x !!!\n", self->daddr);
   kfree(discoveries);
-  return(-EADDRNOTAVAIL);
+  return -EADDRNOTAVAIL;
 }
 
 /*------------------------------------------------------------------*/
diff --git a/net/irda/irnet/irnet_ppp.c b/net/irda/irnet/irnet_ppp.c
index dfe7b38dd4af..0993bd454ea5 100644
--- a/net/irda/irnet/irnet_ppp.c
+++ b/net/irda/irnet/irnet_ppp.c
@@ -166,7 +166,7 @@ irnet_ctrl_write(irnet_socket *	ap,
     }
 
   /* Success : we have parsed all commands successfully */
-  return(count);
+  return count;
 }
 
 #ifdef INITIAL_DISCOVERY
@@ -300,7 +300,7 @@ irnet_ctrl_read(irnet_socket *	ap,
 	}
 
       DEXIT(CTRL_TRACE, "\n");
-      return(strlen(event));
+      return strlen(event);
     }
 #endif /* INITIAL_DISCOVERY */
 
@@ -409,7 +409,7 @@ irnet_ctrl_read(irnet_socket *	ap,
     }
 
   DEXIT(CTRL_TRACE, "\n");
-  return(strlen(event));
+  return strlen(event);
 }
 
 /*------------------------------------------------------------------*/
@@ -480,7 +480,6 @@ dev_irnet_open(struct inode *	inode,
   ap = kzalloc(sizeof(*ap), GFP_KERNEL);
   DABORT(ap == NULL, -ENOMEM, FS_ERROR, "Can't allocate struct irnet...\n");
 
-  lock_kernel();
   /* initialize the irnet structure */
   ap->file = file;
 
@@ -502,18 +501,20 @@ dev_irnet_open(struct inode *	inode,
     {
       DERROR(FS_ERROR, "Can't setup IrDA link...\n");
       kfree(ap);
-      unlock_kernel();
+
       return err;
     }
 
   /* For the control channel */
   ap->event_index = irnet_events.index;	/* Cancel all past events */
 
+  mutex_init(&ap->lock);
+
   /* Put our stuff where we will be able to find it later */
   file->private_data = ap;
 
   DEXIT(FS_TRACE, " - ap=0x%p\n", ap);
-  unlock_kernel();
+
   return 0;
 }
 
@@ -623,7 +624,7 @@ dev_irnet_poll(struct file *	file,
     mask |= irnet_ctrl_poll(ap, file, wait);
 
   DEXIT(FS_TRACE, " - mask=0x%X\n", mask);
-  return(mask);
+  return mask;
 }
 
 /*------------------------------------------------------------------*/
@@ -664,7 +665,9 @@ dev_irnet_ioctl(
 	{
 	  DEBUG(FS_INFO, "Entering PPP discipline.\n");
 	  /* PPP channel setup (ap->chan in configued in dev_irnet_open())*/
-	  lock_kernel();
+	  if (mutex_lock_interruptible(&ap->lock))
+		  return -EINTR;
+
 	  err = ppp_register_channel(&ap->chan);
 	  if(err == 0)
 	    {
@@ -677,14 +680,17 @@ dev_irnet_ioctl(
 	    }
 	  else
 	    DERROR(FS_ERROR, "Can't setup PPP channel...\n");
-          unlock_kernel();
+
+          mutex_unlock(&ap->lock);
 	}
       else
 	{
 	  /* In theory, should be N_TTY */
 	  DEBUG(FS_INFO, "Exiting PPP discipline.\n");
 	  /* Disconnect from the generic PPP layer */
-	  lock_kernel();
+	  if (mutex_lock_interruptible(&ap->lock))
+		  return -EINTR;
+
 	  if(ap->ppp_open)
 	    {
 	      ap->ppp_open = 0;
@@ -693,24 +699,31 @@ dev_irnet_ioctl(
 	  else
 	    DERROR(FS_ERROR, "Channel not registered !\n");
 	  err = 0;
-	  unlock_kernel();
+
+	  mutex_unlock(&ap->lock);
 	}
       break;
 
       /* Query PPP channel and unit number */
     case PPPIOCGCHAN:
-      lock_kernel();
+      if (mutex_lock_interruptible(&ap->lock))
+	      return -EINTR;
+
       if(ap->ppp_open && !put_user(ppp_channel_index(&ap->chan),
 						(int __user *)argp))
 	err = 0;
-      unlock_kernel();
+
+      mutex_unlock(&ap->lock);
       break;
     case PPPIOCGUNIT:
-      lock_kernel();
+      if (mutex_lock_interruptible(&ap->lock))
+	      return -EINTR;
+
       if(ap->ppp_open && !put_user(ppp_unit_number(&ap->chan),
 						(int __user *)argp))
         err = 0;
-      unlock_kernel();
+
+      mutex_unlock(&ap->lock);
       break;
 
       /* All these ioctls can be passed both directly and from ppp_generic,
@@ -730,9 +743,12 @@ dev_irnet_ioctl(
       if(!capable(CAP_NET_ADMIN))
 	err = -EPERM;
       else {
-	lock_kernel();
+	if (mutex_lock_interruptible(&ap->lock))
+	      return -EINTR;
+
 	err = ppp_irnet_ioctl(&ap->chan, cmd, arg);
-	unlock_kernel();
+
+	mutex_unlock(&ap->lock);
       }
       break;
 
@@ -740,7 +756,9 @@ dev_irnet_ioctl(
       /* Get termios */
     case TCGETS:
       DEBUG(FS_INFO, "Get termios.\n");
-      lock_kernel();
+      if (mutex_lock_interruptible(&ap->lock))
+	      return -EINTR;
+
 #ifndef TCGETS2
       if(!kernel_termios_to_user_termios((struct termios __user *)argp, &ap->termios))
 	err = 0;
@@ -748,12 +766,15 @@ dev_irnet_ioctl(
       if(kernel_termios_to_user_termios_1((struct termios __user *)argp, &ap->termios))
 	err = 0;
 #endif
-      unlock_kernel();
+
+      mutex_unlock(&ap->lock);
       break;
       /* Set termios */
     case TCSETSF:
       DEBUG(FS_INFO, "Set termios.\n");
-      lock_kernel();
+      if (mutex_lock_interruptible(&ap->lock))
+	      return -EINTR;
+
 #ifndef TCGETS2
       if(!user_termios_to_kernel_termios(&ap->termios, (struct termios __user *)argp))
 	err = 0;
@@ -761,7 +782,8 @@ dev_irnet_ioctl(
       if(!user_termios_to_kernel_termios_1(&ap->termios, (struct termios __user *)argp))
 	err = 0;
 #endif
-      unlock_kernel();
+
+      mutex_unlock(&ap->lock);
       break;
 
       /* Set DTR/RTS */
@@ -784,9 +806,10 @@ dev_irnet_ioctl(
        * We should also worry that we don't accept junk here and that
        * we get rid of our own buffers */
 #ifdef FLUSH_TO_PPP
-      lock_kernel();
+      if (mutex_lock_interruptible(&ap->lock))
+	      return -EINTR;
       ppp_output_wakeup(&ap->chan);
-      unlock_kernel();
+      mutex_unlock(&ap->lock);
 #endif /* FLUSH_TO_PPP */
       err = 0;
       break;
diff --git a/net/irda/irnet/irnet_ppp.h b/net/irda/irnet/irnet_ppp.h
index b5df2418f90c..940225866da0 100644
--- a/net/irda/irnet/irnet_ppp.h
+++ b/net/irda/irnet/irnet_ppp.h
@@ -103,7 +103,8 @@ static const struct file_operations irnet_device_fops =
 	.poll		= dev_irnet_poll,
 	.unlocked_ioctl	= dev_irnet_ioctl,
 	.open		= dev_irnet_open,
-	.release	= dev_irnet_close
+	.release	= dev_irnet_close,
+	.llseek		= noop_llseek,
   /* Also : llseek, readdir, mmap, flush, fsync, fasync, lock, readv, writev */
 };