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* [DCCP]: Fix leak in net/dccp/ipv4.cEric Sesterhenn2006-04-111-1/+1
| | | | | | | | we dont free req if we cant parse the options. This fixes coverity bug id #1046 Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* [BRIDGE]: receive link-local on disabled ports.Stephen Hemminger2006-04-111-3/+0
| | | | | | | | | | This change allows link local packets (like 802.3ad and Spanning Tree Protocol) to be processed even when the bridge is not using the port. It fixes the chicken-egg problem for bridging a bonded device, and may also fix problems with spanning tree failover. Signed-off-by: Stephen Hemminger <shemminger@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPv6] reassembly: Always compute hash under the fragment lock.Zach Brown2006-04-111-6/+12
| | | | | | | | | | | | This closes a race where an ipq6hashfn() caller could get a hash value and race with the cycling of the random seed. By the time they got to the read_lock they'd have a stale hash value and might not find previous fragments of their datagram. This matches the previous patch to IPv4. Signed-off-by: Zach Brown <zach.brown@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge branch 'splice' of git://brick.kernel.dk/data/git/linux-2.6-blockLinus Torvalds2006-04-111-4/+0
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | * 'splice' of git://brick.kernel.dk/data/git/linux-2.6-block: [PATCH] vfs: add splice_write and splice_read to documentation [PATCH] Remove sys_ prefix of new syscalls from __NR_sys_* [PATCH] splice: warning fix [PATCH] another round of fs/pipe.c cleanups [PATCH] splice: comment styles [PATCH] splice: add Ingo as addition copyright holder [PATCH] splice: unlikely() optimizations [PATCH] splice: speedups and optimizations [PATCH] pipe.c/fifo.c code cleanups [PATCH] get rid of the PIPE_*() macros [PATCH] splice: speedup __generic_file_splice_read [PATCH] splice: add direct fd <-> fd splicing support [PATCH] splice: add optional input and output offsets [PATCH] introduce a "kernel-internal pipe object" abstraction [PATCH] splice: be smarter about calling do_page_cache_readahead() [PATCH] splice: optimize the splice buffer mapping [PATCH] splice: cleanup __generic_file_splice_read() [PATCH] splice: only call wake_up_interruptible() when we really have to [PATCH] splice: potential !page dereference [PATCH] splice: mark the io page as accessed
| * [PATCH] splice: warning fixAndrew Morton2006-04-111-4/+0
| | | | | | | | | | | | | | | | | | | | | | | | From: Andrew Morton <akpm@osdl.org> net/socket.c:148: warning: initialization from incompatible pointer type extern declarations in .c files! Bad boy. Cc: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Jens Axboe <axboe@suse.de>
* | [PATCH] knfsd: svcrpc: gss: don't call svc_take_page unnecessarilyNeilBrown2006-04-111-6/+8
| | | | | | | | | | | | | | | | | | | | | | | | | | | | We're using svc_take_page here to get another page for the tail in case one wasn't already allocated. But there isn't always guaranteed to be another page available. Also fix a typo that made us check the tail buffer for space when we meant to be checking the head buffer. Signed-off-by: J. Bruce Fields <bfields@citi.umich.edu> Signed-off-by: Neil Brown <neilb@suse.de> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [PATCH] for_each_possible_cpu: network codesKAMEZAWA Hiroyuki2006-04-1120-40/+40
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | for_each_cpu() actually iterates across all possible CPUs. We've had mistakes in the past where people were using for_each_cpu() where they should have been iterating across only online or present CPUs. This is inefficient and possibly buggy. We're renaming for_each_cpu() to for_each_possible_cpu() to avoid this in the future. This patch replaces for_each_cpu with for_each_possible_cpu under /net Signed-off-by: KAMEZAWA Hiroyuki <kamezawa.hiroyu@jp.fujitsu.com> Acked-by: "David S. Miller" <davem@davemloft.net> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | [IPV6]: Deinline few large functions in inet6 codeDenis Vlasenko2006-04-091-0/+80
| | | | | | | | | | | | | | | | | | | | | | | | | | Deinline a few functions which produce 200+ bytes of code. Size Uses Wasted Name and definition ===== ==== ====== ================================================ 429 3 818 __inet6_lookup include/net/inet6_hashtables.h 404 2 384 __inet6_lookup_established include/net/inet6_hashtables.h 206 3 372 __inet6_hash include/net/inet6_hashtables.h Signed-off-by: Denis Vlasenko <vda@ilport.com.ua> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [IPV4] ip_fragment: Always compute hash with ipfrag_lock held.David S. Miller2006-04-091-5/+10
| | | | | | | | | | | | | | | | | | | | Otherwise we could compute an inaccurate hash due to the random seed changing. Noticed by Zach Brown and patch is based upon some feedback from Herbert Xu. Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETFILTER]: Fix DNAT in LOCAL_OUTPatrick McHardy2006-04-091-1/+1
| | | | | | | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NET]: Fix hotplug race during device registration.Sergey Vlasov2006-04-091-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | From: Thomas de Grenier de Latour <degrenier@easyconnect.fr> On Sun, 9 Apr 2006 21:56:59 +0400, Sergey Vlasov <vsu@altlinux.ru> wrote: > However, show_address() does not output anything unless > dev->reg_state == NETREG_REGISTERED - and this state is set by > netdev_run_todo() only after netdev_register_sysfs() returns, so in > the meantime (while netdev_register_sysfs() is busy adding the > "statistics" attribute group) some process may see an empty "address" > attribute. I've tried the attached patch, suggested by Sergey Vlasov on hotplug-devel@, and as far as i can test it works just fine. Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETFILTER]: Fix build with CONFIG_NETFILTER=y/m on IA64Brian Haley2006-04-091-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | Can't build with CONFIG_NETFILTER=y/m on IA64, there's a missing #include in net/ipv6/netfilter.c net/ipv6/netfilter.c: In function `nf_ip6_checksum': net/ipv6/netfilter.c:92: warning: implicit declaration of function `csum_ipv6_magic' Signed-off-by: Brian Haley <brian.haley@hp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NET]: More kzalloc conversions.Andrew Morton2006-04-095-22/+8
| | | | | | | | Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NET] kzalloc: use in alloc_netdevPaolo 'Blaisorblade' Giarrusso2006-04-091-2/+1
| | | | | | | | | | | | | | Noticed this use, fixed it. Signed-off-by: Paolo 'Blaisorblade' Giarrusso <blaisorblade@yahoo.it> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [PKT_SCHED] act_police: Rename methods.Jamal Hadi Salim2006-04-091-4/+4
| | | | | | | | | | | | | | | | Rename policer specific _generic_ methods to be specific to _act_police_ Signed-off-by: Jamal Hadi Salim <hadi@cyberus.ca> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETFILTER]: H.323 helper: remove changelogPatrick McHardy2006-04-092-49/+0
| | | | | | | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETFILTER]: Convert conntrack/ipt_REJECT to new checksumming functionsPatrick McHardy2006-04-098-153/+25
| | | | | | | | | | | | | | | | | | Besides removing lots of duplicate code, all converted users benefit from improved HW checksum error handling. Tested with and without HW checksums in almost all combinations. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETFILTER]: Add address family specific checksum helpersPatrick McHardy2006-04-092-0/+67
| | | | | | | | | | | | | | | | | | | | Add checksum operation which takes care of verifying the checksum and dealing with HW checksum errors and avoids multiple checksum operations by setting ip_summed to CHECKSUM_UNNECESSARY after successful verification. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETFILTER]: Introduce infrastructure for address family specific operationsPatrick McHardy2006-04-094-52/+54
| | | | | | | | | | | | | | | | | | Change the queue rerouter intrastructure to a generic usable infrastructure for address family specific operations as a base for some cleanups. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETFILTER]: Fix IP_NF_CONNTRACK_NETLINK dependencyPatrick McHardy2006-04-091-0/+1
| | | | | | | | | | | | | | | | When NAT is built as a module, ip_conntrack_netlink can not be linked statically. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETFILTER]: H.323 helper: add parameter 'default_rrq_ttl'Jing Min Zhao2006-04-091-1/+5
| | | | | | | | | | | | | | | | default_rrq_ttl is used when no TTL is included in the RRQ. Signed-off-by: Jing Min Zhao <zhaojingmin@users.sourceforge.net> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETFILTER]: H.323 helper: make get_h245_addr() staticJing Min Zhao2006-04-091-2/+2
| | | | | | | | | | | | Signed-off-by: Jing Min Zhao <zhaojingmin@users.sourceforge.net> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETFILTER]: H.323 helper: change EXPORT_SYMBOL to EXPORT_SYMBOL_GPLJing Min Zhao2006-04-091-12/+11
| | | | | | | | | | | | Signed-off-by: Jing Min Zhao <zhaojingmin@users.sourceforge.net> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETFILTER]: H.323 helper: move some function prototypes to ip_conntrack_h323.hJing Min Zhao2006-04-095-1092/+1
| | | | | | | | | | | | | | | | | | | | Move prototypes of NAT callbacks to ip_conntrack_h323.h. Because the use of typedefs as arguments, some header files need to be moved as well. Signed-off-by: Jing Min Zhao <zhaojingmin@users.sourceforge.net> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETFILTER]: Fix section mismatch warningsPatrick McHardy2006-04-0910-248/+203
| | | | | | | | | | | | | | | | | | Fix section mismatch warnings caused by netfilter's init_or_cleanup functions used in many places by splitting the init from the cleanup parts. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETFILTER]: Clean up hook registrationPatrick McHardy2006-04-0911-579/+253
| | | | | | | | | | | | | | | | Clean up hook registration by makeing use of the new mass registration and unregistration helpers. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETFILTER]: Add helper functions for mass hook registration/unregistrationPatrick McHardy2006-04-091-0/+28
| | | | | | | | | | Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [INET]: Use port unreachable instead of proto for tunnelsHerbert Xu2006-04-092-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | This patch changes GRE and SIT to generate port unreachable instead of protocol unreachable errors when we can't find a matching tunnel for a packet. This removes the ambiguity as to whether the error is caused by no tunnel being found or by the lack of support for the given tunnel type. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [BLUETOOTH] sco: Possible double free.Eric Sesterhenn2006-04-091-1/+1
| | | | | | | | | | | | | | | | | | | | this fixes coverity bug id #1068. hci_send_sco() frees skb if (skb->len > hdev->sco_mtu). Since it returns a negative error value only in this case, we can directly return here. Signed-off-by: Eric Sesterhenn <snakebyte@gmx.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NET]: Fix an off-by-21-or-49 error.Adrian Bunk2006-04-091-1/+1
| | | | | | | | | | | | | | | | This patch fixes an off-by-21-or-49 error ;-) spotted by the Coverity checker. Signed-off-by: Adrian Bunk <bunk@stusta.de> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [INET]: Move no-tunnel ICMP error to tunnel4/tunnel6Herbert Xu2006-04-095-13/+21
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This patch moves the sending of ICMP messages when there are no IPv4/IPv6 tunnels present to tunnel4/tunnel6 respectively. Please note that for now if xfrm4_tunnel/xfrm6_tunnel is loaded then no ICMP messages will ever be sent. This is similar to how we handle AH/ESP/IPCOMP. This move fixes the bug where we always send an ICMP message when there is no ip6_tunnel device present for a given packet even if it is later handled by IPsec. It also causes ICMP messages to be sent when no IPIP tunnel is present. I've decided to use the "port unreachable" ICMP message over the current value of "address unreachable" (and "protocol unreachable" by GRE) because it is not ambiguous unlike the other ones which can be triggered by other conditions. There seems to be no standard specifying what value must be used so this change should be OK. In fact we should change GRE to use this value as well. Incidentally, this patch also fixes a fairly serious bug in xfrm6_tunnel where we don't check whether the embedded IPv6 header is present before dereferencing it for the inside source address. This patch is inspired by a previous patch by Hugo Santos <hsantos@av.it.pt>. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [NETFILTER]: Fix fragmentation issues with bridge netfilterPatrick McHardy2006-04-092-5/+14
| | | | | | | | | | | | | | | | | | | | The conntrack code doesn't do re-fragmentation of defragmented packets anymore but relies on fragmentation in the IP layer. Purely bridged packets don't pass through the IP layer, so the bridge netfilter code needs to take care of fragmentation itself. Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [FIB_TRIE]: Fix leaf freeing.Robert Olsson2006-04-091-7/+7
| | | | | | | | | | | | | | | | | | Seems like leaf (end-nodes) has been freed by __tnode_free_rcu and not by __leaf_free_rcu. This fixes the problem. Only tnode_free is now used which checks for appropriate node type. free_leaf can be removed. Signed-off-by: Robert Olsson <robert.olsson@its.uu.se> Signed-off-by: David S. Miller <davem@davemloft.net>
* | [IPSEC]: Check x->encap before dereferencing itHerbert Xu2006-04-091-1/+1
|/ | | | | | | | We need to dereference x->encap before dereferencing it for encap_type. If it's absent then the encap_type is zero. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Fully fix the memory leaks in sys_accept().David S. Miller2006-04-011-3/+2
| | | | | | | | Andi Kleen was right, fput() on sock->file will end up calling sock_release() if necessary. So here is the rest of his version of the fix for these leaks. Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: iptables 32bit compat layerDmitry Mishin2006-04-013-133/+1121
| | | | | | | | | | | | | | This patch extends current iptables compatibility layer in order to get 32bit iptables to work on 64bit kernel. Current layer is insufficient due to alignment checks both in kernel and user space tools. Patch is for current net-2.6.17 with addition of move of ipt_entry_{match| target} definitions to xt_entry_{match|target}. Signed-off-by: Dmitry Mishin <dim@openvz.org> Acked-off-by: Kirill Korotaev <dev@openvz.org> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: {ip,nf}_conntrack_netlink: fix expectation notifier unregistrationMartin Josefsson2006-04-012-2/+2
| | | | | | | | | | | | | This patch fixes expectation notifier unregistration on module unload to use ip_conntrack_expect_unregister_notifier(). This bug causes a soft lockup at the first expectation created after a rmmod ; insmod of this module. Should go into -stable as well. Signed-off-by: Martin Josefsson <gandalf@wlug.westbo.se> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: fix ifdef for connmark support in nf_conntrack_netlinkMartin Josefsson2006-04-011-2/+2
| | | | | | | | | | | | When ctnetlink was ported from ip_conntrack to nf_conntrack two #ifdef's for connmark support were left unchanged and this code was never compiled. Problem noticed by Daniel De Graaf. Signed-off-by: Martin Josefsson <gandalf@wlug.westbo.se> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: x_tables: unify IPv4/IPv6 multiport matchYasuyuki Kozakai2006-04-019-342/+325
| | | | | | | | | | This unifies ipt_multiport and ip6t_multiport to xt_multiport. As a result, this addes support for inversion and port range match to IPv6 packets. Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NETFILTER]: x_tables: unify IPv4/IPv6 esp matchYasuyuki Kozakai2006-04-018-152/+72
| | | | | | | | | | This unifies ipt_esp and ip6t_esp to xt_esp. Please note that now a user program needs to specify IPPROTO_ESP as protocol to use esp match with IPv6. This means that ip6tables requires '-p esp' like iptables. Signed-off-by: Yasuyuki Kozakai <yasuyuki.kozakai@toshiba.co.jp> Signed-off-by: Patrick McHardy <kaber@trash.net> Signed-off-by: David S. Miller <davem@davemloft.net>
* [NET]: Fix dentry leak in sys_accept().David S. Miller2006-04-011-1/+1
| | | | | | | | | | | | | This regression was added by commit: 39d8c1b6fbaeb8d6adec4a8c08365cc9eaca6ae4 ("Do not lose accepted socket when -ENFILE/-EMFILE.") This is based upon a patch from Andi Kleen. Thanks to Adrian Bridgett for narrowing down a good test case, and to Andi Kleen and Andrew Morton for eyeballing this code. Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPSEC]: Kill unused decap state structureHerbert Xu2006-04-015-17/+18
| | | | | | | | | This patch removes the *_decap_state structures which were previously used to share state between input/post_input. This is no longer needed. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* [IPSEC]: Kill unused decap state argumentHerbert Xu2006-04-0110-14/+13
| | | | | | | | | | | | | | This patch removes the decap_state argument from the xfrm input hook. Previously this function allowed the input hook to share state with the post_input hook. The latter has since been removed. The only purpose for it now is to check the encap type. However, it is easier and better to move the encap type check to the generic xfrm_rcv function. This allows us to get rid of the decap state argument altogether. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6Linus Torvalds2006-03-314-5/+83
|\ | | | | | | | | | | | | | | | | | | * master.kernel.org:/pub/scm/linux/kernel/git/davem/net-2.6: [NET]: Allow skb headroom to be overridden [TCP]: Kill unused extern decl for tcp_v4_hash_connecting() [NET]: add SO_RCVBUF comment [NET]: Deinline some larger functions from netdevice.h [DCCP]: Use NULL for pointers, comfort sparse. [DECNET]: Fix refcount
| * [NET]: add SO_RCVBUF commentAndrew Morton2006-03-311-1/+15
| | | | | | | | | | | | | | | | Put a comment in there explaining why we double the setsockopt() caller's SO_RCVBUF. People keep wondering. Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [NET]: Deinline some larger functions from netdevice.hDenis Vlasenko2006-03-291-0/+64
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | On a allyesconfig'ured kernel: Size Uses Wasted Name and definition ===== ==== ====== ================================================ 95 162 12075 netif_wake_queue include/linux/netdevice.h 129 86 9265 dev_kfree_skb_any include/linux/netdevice.h 127 56 5885 netif_device_attach include/linux/netdevice.h 73 86 4505 dev_kfree_skb_irq include/linux/netdevice.h 46 60 1534 netif_device_detach include/linux/netdevice.h 119 16 1485 __netif_rx_schedule include/linux/netdevice.h 143 5 492 netif_rx_schedule include/linux/netdevice.h 81 7 366 netif_schedule include/linux/netdevice.h netif_wake_queue is big because __netif_schedule is a big inline: static inline void __netif_schedule(struct net_device *dev) { if (!test_and_set_bit(__LINK_STATE_SCHED, &dev->state)) { unsigned long flags; struct softnet_data *sd; local_irq_save(flags); sd = &__get_cpu_var(softnet_data); dev->next_sched = sd->output_queue; sd->output_queue = dev; raise_softirq_irqoff(NET_TX_SOFTIRQ); local_irq_restore(flags); } } static inline void netif_wake_queue(struct net_device *dev) { #ifdef CONFIG_NETPOLL_TRAP if (netpoll_trap()) return; #endif if (test_and_clear_bit(__LINK_STATE_XOFF, &dev->state)) __netif_schedule(dev); } By de-inlining __netif_schedule we are saving a lot of text at each callsite of netif_wake_queue and netif_schedule. __netif_rx_schedule is also big, and it makes more sense to keep both of them out of line. Patch also deinlines dev_kfree_skb_any. We can deinline dev_kfree_skb_irq instead... oh well. netif_device_attach/detach are not hot paths, we can deinline them too. Signed-off-by: Denis Vlasenko <vda@ilport.com.ua> Signed-off-by: Andrew Morton <akpm@osdl.org> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [DCCP]: Use NULL for pointers, comfort sparse.Randy Dunlap2006-03-291-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | From: Randy Dunlap <rdunlap@xenotime.net> Use NULL instead of 0 for pointers. Fix these sparse warnings: net/dccp/feat.c:207:20: warning: Using plain integer as NULL pointer net/dccp/feat.c:325:21: warning: Using plain integer as NULL pointer net/dccp/feat.c:526:20: warning: Using plain integer as NULL pointer Signed-off-by: Randy Dunlap <rdunlap@xenotime.net> Signed-off-by: David S. Miller <davem@davemloft.net>
| * [DECNET]: Fix refcountPatrick Caulfield2006-03-291-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | From: Patrick Caulfield <patrick@tykepenguin.com> This patch fixes a bug in the reference counting for the default DECnet device. If the device is changed, then the new device had its refcount decremented rather than the old one! Signed-off-by: David S. Miller <davem@davemloft.net>
* | [PATCH] Introduce sys_splice() system callJens Axboe2006-03-301-1/+5
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This adds support for the sys_splice system call. Using a pipe as a transport, it can connect to files or sockets (latter as output only). From the splice.c comments: "splice": joining two ropes together by interweaving their strands. This is the "extended pipe" functionality, where a pipe is used as an arbitrary in-memory buffer. Think of a pipe as a small kernel buffer that you can use to transfer data from one end to the other. The traditional unix read/write is extended with a "splice()" operation that transfers data buffers to or from a pipe buffer. Named by Larry McVoy, original implementation from Linus, extended by Jens to support splicing to files and fixing the initial implementation bugs. Signed-off-by: Jens Axboe <axboe@suse.de> Signed-off-by: Linus Torvalds <torvalds@osdl.org>
* | Merge branch 'upstream' of ↵Jeff Garzik2006-03-294-13/+22
|\ \ | |/ |/| | | git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-2.6
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