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After the removal of the Solaris binary emulation the exports of
move_addr_to_{kernel,user} are no longer used.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As it stands it's impossible to use any authentication algorithms
with an ID above 31 portably. It just happens to work on x86 but
fails miserably on ppc64.
The reason is that we're using a bit mask to check the algorithm
ID but the mask is only 32 bits wide.
After looking at how this is used in the field, I have concluded
that in the long term we should phase out state matching by IDs
because this is made superfluous by the reqid feature. For current
applications, the best solution IMHO is to allow all algorithms when
the bit masks are all ~0.
The following patch does exactly that.
This bug was identified by IBM when testing on the ppc64 platform
using the NULL authentication algorithm which has an ID of 251.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make use of tcp before macro.
Signed-off-by: Arnd Hannemann <hannemann@nets.rwth-aachen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The netns start-stop engine can happily live with any of
init or exit callbacks set to NULL.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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What do_gettimeofday() does is to call getnstimeofday() and
to convert the result from timespec{} to timeval{}.
We do not always need timeval{} and we can convert timespec{}
when we really need (to print).
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Acked-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The ip6_route_net_init() performs some unneeded actions.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The del_timer() function doesn't guarantee, that the timer callback
is not active by the time it exits.
Thus, the fib6_net_exit() may kfree() all the data, that is required
by the fib6_run_gc(). The race window is tiny, but slab poisoning can
trigger this bug.
Using del_timer_sync() will cure this.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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What do_gettimeofday() does is to call getnstimeofday() and
to convert the result from timespec{} to timeval{}.
After that, these callers convert the result again to msec.
Use getnstimeofday() and convert the units at once.
Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch makes the needlessly global icmp_sk_init() static.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch makes the needlessly global struct
ip6_prohibit_entry_template static.
Signed-off-by: Adrian Bunk <bunk@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is a trivial fix to correct function name in a comment in
net/ipv4/tcp.c.
Signed-off-by: Satoru SATOH <satoru.satoh@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Expose dev_id to userspace, because it helps to disambiguate between
interfaces where the MAC address is unique.
This should allow us to simplify the handling of persistent naming for
S390 network devices in udev -- because it can depend on a simple
attribute of the device like the other match criteria, rather than
having a special case for SUBSYSTEMS=="ccwgroup".
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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[ INFO: possible recursive locking detected ]
2.6.25 #3
---------------------------------------------
ax25ipd/3811 is trying to acquire lock:
(rose_node_list_lock){-+..}, at: [<f8d31f1a>] rose_get_neigh+0x1a/0xa0
[rose]
but task is already holding lock:
(rose_node_list_lock){-+..}, at: [<f8d31fed>]
rose_route_frame+0x4d/0x620 [rose]
other info that might help us debug this:
6 locks held by ax25ipd/3811:
#0: (&tty->atomic_write_lock){--..}, at: [<c0259a1c>]
tty_write_lock+0x1c/0x50
#1: (rcu_read_lock){..--}, at: [<c02aea36>] net_rx_action+0x96/0x230
#2: (rcu_read_lock){..--}, at: [<c02ac5c0>] netif_receive_skb+0x100/0x2f0
#3: (rose_node_list_lock){-+..}, at: [<f8d31fed>]
rose_route_frame+0x4d/0x620 [rose]
#4: (rose_neigh_list_lock){-+..}, at: [<f8d31ff7>]
rose_route_frame+0x57/0x620 [rose]
#5: (rose_route_list_lock){-+..}, at: [<f8d32001>]
rose_route_frame+0x61/0x620 [rose]
stack backtrace:
Pid: 3811, comm: ax25ipd Not tainted 2.6.25 #3
[<c0147e27>] print_deadlock_bug+0xc7/0xd0
[<c0147eca>] check_deadlock+0x9a/0xb0
[<c0149cd2>] validate_chain+0x1e2/0x310
[<c0149b95>] ? validate_chain+0xa5/0x310
[<c010a7d8>] ? native_sched_clock+0x88/0xc0
[<c0149fa1>] __lock_acquire+0x1a1/0x750
[<c014a5d1>] lock_acquire+0x81/0xa0
[<f8d31f1a>] ? rose_get_neigh+0x1a/0xa0 [rose]
[<c03201a3>] _spin_lock_bh+0x33/0x60
[<f8d31f1a>] ? rose_get_neigh+0x1a/0xa0 [rose]
[<f8d31f1a>] rose_get_neigh+0x1a/0xa0 [rose]
[<f8d32404>] rose_route_frame+0x464/0x620 [rose]
[<c031ffdd>] ? _read_unlock+0x1d/0x20
[<f8d31fa0>] ? rose_route_frame+0x0/0x620 [rose]
[<f8d1c396>] ax25_rx_iframe+0x66/0x3b0 [ax25]
[<f8d1f42f>] ? ax25_start_t3timer+0x1f/0x40 [ax25]
[<f8d1e65b>] ax25_std_frame_in+0x7fb/0x890 [ax25]
[<c0320005>] ? _spin_unlock_bh+0x25/0x30
[<f8d1bdf6>] ax25_kiss_rcv+0x2c6/0x800 [ax25]
[<c02a4769>] ? sock_def_readable+0x59/0x80
[<c014a8a7>] ? __lock_release+0x47/0x70
[<c02a4769>] ? sock_def_readable+0x59/0x80
[<c031ffdd>] ? _read_unlock+0x1d/0x20
[<c02a4769>] ? sock_def_readable+0x59/0x80
[<c02a4d3a>] ? sock_queue_rcv_skb+0x13a/0x1d0
[<c02a4c45>] ? sock_queue_rcv_skb+0x45/0x1d0
[<f8d1bb30>] ? ax25_kiss_rcv+0x0/0x800 [ax25]
[<c02ac715>] netif_receive_skb+0x255/0x2f0
[<c02ac5c0>] ? netif_receive_skb+0x100/0x2f0
[<c02af05c>] process_backlog+0x7c/0xf0
[<c02aeb0c>] net_rx_action+0x16c/0x230
[<c02aea36>] ? net_rx_action+0x96/0x230
[<c012bd53>] __do_softirq+0x93/0x120
[<f8d2a68a>] ? mkiss_receive_buf+0x33a/0x3f0 [mkiss]
[<c012be37>] do_softirq+0x57/0x60
[<c012c265>] local_bh_enable_ip+0xa5/0xe0
[<c0320005>] _spin_unlock_bh+0x25/0x30
[<f8d2a68a>] mkiss_receive_buf+0x33a/0x3f0 [mkiss]
[<c025ea37>] pty_write+0x47/0x60
[<c025c620>] write_chan+0x1b0/0x220
[<c0259a1c>] ? tty_write_lock+0x1c/0x50
[<c011fec0>] ? default_wake_function+0x0/0x10
[<c0259bea>] tty_write+0x12a/0x1c0
[<c025c470>] ? write_chan+0x0/0x220
[<c018bbc6>] vfs_write+0x96/0x130
[<c0259ac0>] ? tty_write+0x0/0x1c0
[<c018c24d>] sys_write+0x3d/0x70
[<c0104d1e>] sysenter_past_esp+0x5f/0xa5
=======================
BUG: soft lockup - CPU#0 stuck for 61s! [ax25ipd:3811]
Pid: 3811, comm: ax25ipd Not tainted (2.6.25 #3)
EIP: 0060:[<c010a9db>] EFLAGS: 00000246 CPU: 0
EIP is at native_read_tsc+0xb/0x20
EAX: b404aa2c EBX: b404a9c9 ECX: 017f1000 EDX: 0000076b
ESI: 00000001 EDI: 00000000 EBP: ecc83afc ESP: ecc83afc
DS: 007b ES: 007b FS: 00d8 GS: 0033 SS: 0068
CR0: 8005003b CR2: b7f5f000 CR3: 2cd8e000 CR4: 000006f0
DR0: 00000000 DR1: 00000000 DR2: 00000000 DR3: 00000000
DR6: ffff0ff0 DR7: 00000400
[<c0204937>] delay_tsc+0x17/0x30
[<c02048e9>] __delay+0x9/0x10
[<c02127f6>] __spin_lock_debug+0x76/0xf0
[<c0212618>] ? spin_bug+0x18/0x100
[<c0147923>] ? __lock_contended+0xa3/0x110
[<c0212998>] _raw_spin_lock+0x68/0x90
[<c03201bf>] _spin_lock_bh+0x4f/0x60
[<f8d31f1a>] ? rose_get_neigh+0x1a/0xa0 [rose]
[<f8d31f1a>] rose_get_neigh+0x1a/0xa0 [rose]
[<f8d32404>] rose_route_frame+0x464/0x620 [rose]
[<c031ffdd>] ? _read_unlock+0x1d/0x20
[<f8d31fa0>] ? rose_route_frame+0x0/0x620 [rose]
[<f8d1c396>] ax25_rx_iframe+0x66/0x3b0 [ax25]
[<f8d1f42f>] ? ax25_start_t3timer+0x1f/0x40 [ax25]
[<f8d1e65b>] ax25_std_frame_in+0x7fb/0x890 [ax25]
[<c0320005>] ? _spin_unlock_bh+0x25/0x30
[<f8d1bdf6>] ax25_kiss_rcv+0x2c6/0x800 [ax25]
[<c02a4769>] ? sock_def_readable+0x59/0x80
[<c014a8a7>] ? __lock_release+0x47/0x70
[<c02a4769>] ? sock_def_readable+0x59/0x80
[<c031ffdd>] ? _read_unlock+0x1d/0x20
[<c02a4769>] ? sock_def_readable+0x59/0x80
[<c02a4d3a>] ? sock_queue_rcv_skb+0x13a/0x1d0
[<c02a4c45>] ? sock_queue_rcv_skb+0x45/0x1d0
[<f8d1bb30>] ? ax25_kiss_rcv+0x0/0x800 [ax25]
[<c02ac715>] netif_receive_skb+0x255/0x2f0
[<c02ac5c0>] ? netif_receive_skb+0x100/0x2f0
[<c02af05c>] process_backlog+0x7c/0xf0
[<c02aeb0c>] net_rx_action+0x16c/0x230
[<c02aea36>] ? net_rx_action+0x96/0x230
[<c012bd53>] __do_softirq+0x93/0x120
[<f8d2a68a>] ? mkiss_receive_buf+0x33a/0x3f0 [mkiss]
[<c012be37>] do_softirq+0x57/0x60
[<c012c265>] local_bh_enable_ip+0xa5/0xe0
[<c0320005>] _spin_unlock_bh+0x25/0x30
[<f8d2a68a>] mkiss_receive_buf+0x33a/0x3f0 [mkiss]
[<c025ea37>] pty_write+0x47/0x60
[<c025c620>] write_chan+0x1b0/0x220
[<c0259a1c>] ? tty_write_lock+0x1c/0x50
[<c011fec0>] ? default_wake_function+0x0/0x10
[<c0259bea>] tty_write+0x12a/0x1c0
[<c025c470>] ? write_chan+0x0/0x220
[<c018bbc6>] vfs_write+0x96/0x130
[<c0259ac0>] ? tty_write+0x0/0x1c0
[<c018c24d>] sys_write+0x3d/0x70
[<c0104d1e>] sysenter_past_esp+0x5f/0xa5
=======================
Since rose_route_frame() does not use rose_node_list we can safely
remove rose_node_list_lock spin lock here and let it be free for
rose_get_neigh().
Signed-off-by: Bernard Pidoux <f6bvp@amsat.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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================================================
[ BUG: lock held when returning to user space! ]
------------------------------------------------
xfbbd/3683 is leaving the kernel with locks still held!
1 lock held by xfbbd/3683:
#0: (sk_lock-AF_ROSE){--..}, at: [<c8cd1eb3>] rose_connect+0x73/0x420 [rose]
INFO: task xfbbd:3683 blocked for more than 120 seconds.
"echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message.
xfbbd D 00000246 0 3683 3669
c6965ee0 00000092 c02c5c40 00000246 c0f6b5f0 c0f6b5c0 c0f6b5f0 c0f6b5c0
c0f6b614 c6965f18 c024b74b ffffffff c06ba070 00000000 00000000 00000001
c6ab07c0 c012d450 c0f6b634 c0f6b634 c7b5bf10 c0d6004c c7b5bf10 c6965f40
Call Trace:
[<c024b74b>] lock_sock_nested+0x6b/0xd0
[<c012d450>] ? autoremove_wake_function+0x0/0x40
[<c02488f1>] sock_fasync+0x41/0x150
[<c0249e69>] sock_close+0x19/0x40
[<c0175d54>] __fput+0xb4/0x170
[<c0176018>] fput+0x18/0x20
[<c017300e>] filp_close+0x3e/0x70
[<c01744e9>] sys_close+0x69/0xb0
[<c0103bda>] sysenter_past_esp+0x5f/0xa5
=======================
INFO: lockdep is turned off.
Signed-off-by: Bernard Pidoux <f6bvp@amsat.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Reported by Ingo Molnar.
The SIP helper is also useful without NAT. This patch adds an ifdef
around the RTP call optimization for NATed clients.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We need to select LIBCRC32C.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6:
security: fix up documentation for security_module_enable
Security: Introduce security= boot parameter
Audit: Final renamings and cleanup
SELinux: use new audit hooks, remove redundant exports
Audit: internally use the new LSM audit hooks
LSM/Audit: Introduce generic Audit LSM hooks
SELinux: remove redundant exports
Netlink: Use generic LSM hook
Audit: use new LSM hooks instead of SELinux exports
SELinux: setup new inode/ipc getsecid hooks
LSM: Introduce inode_getsecid and ipc_getsecid hooks
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6.26: (1090 commits)
[NET]: Fix and allocate less memory for ->priv'less netdevices
[IPV6]: Fix dangling references on error in fib6_add().
[NETLABEL]: Fix NULL deref in netlbl_unlabel_staticlist_gen() if ifindex not found
[PKT_SCHED]: Fix datalen check in tcf_simp_init().
[INET]: Uninline the __inet_inherit_port call.
[INET]: Drop the inet_inherit_port() call.
SCTP: Initialize partial_bytes_acked to 0, when all of the data is acked.
[netdrvr] forcedeth: internal simplifications; changelog removal
phylib: factor out get_phy_id from within get_phy_device
PHY: add BCM5464 support to broadcom PHY driver
cxgb3: Fix __must_check warning with dev_dbg.
tc35815: Statistics cleanup
natsemi: fix MMIO for PPC 44x platforms
[TIPC]: Cleanup of TIPC reference table code
[TIPC]: Optimized initialization of TIPC reference table
[TIPC]: Remove inlining of reference table locking routines
e1000: convert uint16_t style integers to u16
ixgb: convert uint16_t style integers to u16
sb1000.c: make const arrays static
sb1000.c: stop inlining largish static functions
...
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Don't use SELinux exported selinux_get_task_sid symbol.
Use the generic LSM equivalent instead.
Signed-off-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: Ahmed S. Darwish <darwish.07@gmail.com>
Acked-by: James Morris <jmorris@namei.org>
Acked-by: David S. Miller <davem@davemloft.net>
Reviewed-by: Paul Moore <paul.moore@hp.com>
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This patch effectively reverts commit d0498d9ae1a5cebac363e38907266d5cd2eedf89
aka "[NET]: Do not allocate unneeded memory for dev->priv alignment."
It was found to be buggy because of final unconditional += NETDEV_ALIGN_CONST
removal.
For example, for sizeof(struct net_device) being 2048 bytes, "alloc_size"
was also 2048 bytes, but allocator with debugging options turned on started
giving out !32-byte aligned memory resulting in redzones overwrites.
Patch does small optimization in ->priv'less case: bumping size to next
32-byte boundary was always done to ensure ->priv will also be aligned.
But, no ->priv, no need to do that.
Signed-off-by: Alexey Dobriyan <adobriyan@sw.ru>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes bugzilla #8895
If a super-tree leaf has 'rt' assigned to it and we
get an error from fib6_add_rt2node(), we'll leave
a reference to 'rt' in pn->leaf and then do an
unconditional dst_free().
We should prune such references.
Based upon a report by Vincent Perrier.
Signed-off-by: David S. Miller <davem@davemloft.net>
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master.kernel.org:/pub/scm/linux/kernel/git/torvalds/linux-2.6
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found
dev_get_by_index() may return NULL if nothing is found. In
net/netlabel/netlabel_unlabeled.c::netlbl_unlabel_staticlist_gen() the
function is called, but the return value is never checked. If it returns
NULL then we'll deref a NULL pointer on the very next line.
I checked the callers, and I don't think this can actually happen today,
but code changes over time and in the future it might happen and it does
no harm to be defensive and check for the failure, so that if/when it
happens we'll fail gracefully instead of crashing.
Signed-off-by: Jesper Juhl <jesper.juhl@gmail.com>
Acked-by: Paul Moore <paul.moore@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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datalen is unsigned so it can never be less than zero,
but that's ok because the attribute passed to nla_len()
has been validated and therefore a negative return
value is impossible.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This deblats ~200 bytes when ipv6 and dccp are 'y'.
Besides, this will ease compilation issues for patches
I'm working on to make inet hash tables more scalable
wrt net namespaces.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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As I can see from the code, two places (tcp_v6_syn_recv_sock and
dccp_v6_request_recv_sock) that call this one already run with
BHs disabled, so it's safe to call __inet_inherit_port there.
Besides (in case I missed smth with code review) the calltrace
tcp_v6_syn_recv_sock
`- tcp_v4_syn_recv_sock
`- __inet_inherit_port
and the similar for DCCP are valid, but assumes BHs to be disabled.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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According to RFC4960 7.2.2,
When all of the data transmitted by the sender has
been acknowledged by the recerver, partial_bytes_acked is initialized to 0.
This patch conforms to rfc requirement.
Without this fix, cwnd might be error incremented.
Signed-off-by: Gui Jianfeng <guijianfeng@cn.fujitsu.com>
Acked-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add a new IB_WR_SEND_WITH_INV send opcode that can be used to mark a
"send with invalidate" work request as defined in the iWARP verbs and
the InfiniBand base memory management extensions. Also put "imm_data"
and a new "invalidate_rkey" member in a new "ex" union in struct
ib_send_wr. The invalidate_rkey member can be used to pass in an
R_Key/STag to be invalidated. Add this new union to struct
ib_uverbs_send_wr. Add code to copy the invalidate_rkey field in
ib_uverbs_post_send().
Fix up low-level drivers to deal with the change to struct ib_send_wr,
and just remove the imm_data initialization from net/sunrpc/xprtrdma/,
since that code never does any send with immediate operations.
Also, move the existing IB_DEVICE_SEND_W_INV flag to a new bit, since
the iWARP drivers currently in the tree set the bit. The amso1100
driver at least will silently fail to honor the IB_SEND_INVALIDATE bit
if passed in as part of userspace send requests (since it does not
implement kernel bypass work request queueing). Remove the flag from
all existing drivers that set it until we know which ones are OK.
The values chosen for the new flag is not consecutive to avoid clashing
with flags defined in the XRC patches, which are not merged yet but
which are already in use and are likely to be merged soon.
This resurrects a patch sent long ago by Mikkel Hagen <mhagen@iol.unh.edu>.
Signed-off-by: Roland Dreier <rolandd@cisco.com>
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master.kernel.org:/pub/scm/linux/kernel/git/linville/wireless-2.6.26
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This patch is a largely cosmetic cleanup of the TIPC reference
table code.
- The object reference field in each table entry is now single
32-bit integer instead of a union of two 32-bit integers.
- Variable naming has been made more consistent.
- Error message output has been made more consistent.
- Useless #includes have been eliminated.
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch modifies TIPC's reference table code to delay initializing
table entries until they are actually needed by applications.
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch converts the TIPC reference table locking routines
into non-inlined routines, since they are mainly called from
non-performance critical areas of TIPC and the added code
footprint incurred through inlining can no longer be justified.
Signed-off-by: Allan Stephens <allan.stephens@windriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch reworks the scanning code (ieee80211_rx_bss_info) to take
more parameters from beacons and keep a BSS info structure alive when
only beacons for it are received. This fixes a problem with iwlwifi
drivers (where we don't understand the root cause of the problem yet)
and another driver for some broken hardware (which cannot send probe
requests unless associated, so can't always actively scan.)
Signed-off-by: Bill Moss <bmoss@clemson.edu>
[jmberg: reformatted comments, make probe_resp a bool]
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This allows creating interfaces in WDS mode or switching
existing ones into WDS mode (both via cfg80211 and wext.)
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When we add multiple todo entries, we rely on them being executed
mostly in the right order, especially when a key is being replaced.
But when a default key is replaced, the todo list order will differ
from the order when the key being replaced is not a default key, so
problems will happen. Hence, just move each todo item to the end of
the list when it is added so we can in the other code ensure that
hw accel for a key will be disabled before it is enabled for the
replacement.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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When STAs are expired, we need to hold the sta_lock. Using
the same lock for keys too would then mean we'd need another
key free function, and that'll just lead to confusion, so just
use a new spinlock for all key lists.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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There is no need to send BSS changes to driver from beacons processed
during scanning. We are more interested in beacons from an AP with which
we are associated - these will still be used to send updates to driver as
the beacons are received without scanning.
This change·removes the requirement that bss_info_changed needs to be atomic.
The beacons received during scanning are processed from a tasklet, but if we
do not call bss_info_changed for these beacons there is no need for it to be
atomic. This function (bss_info_changed) is called either from workqueue or
ioctl in all other instances.
Signed-off-by: Reinette Chatre <reinette.chatre@intel.com>
Acked-by: Tomas Winkler <tomas.winkler@intel.com>
Acked-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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There were a few more instances of sta_info_get calls not being
protected by RCU, fix them.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The previous key locking patch left a small race: it would be possible
to add a key and take the interface down before the key todo is run so
that hwaccel for that key is enabled on an interface that is down. Avoid
this by running the todo list when an interface is brought up or down.
This patch also fixes a small bug: before this change, a few functions
used the key list without the lock that protects it.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This one got renamed, complicating the merge a bit...this should restore
it to its intended state.
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6:
[TCP]: Add return value indication to tcp_prune_ofo_queue().
PS3: gelic: fix the oops on the broken IE returned from the hypervisor
b43legacy: fix DMA mapping leakage
mac80211: remove message on receiving unexpected unencrypted frames
Update rt2x00 MAINTAINERS entry
Add rfkill to MAINTAINERS file
rfkill: Fix device type check when toggling states
b43legacy: Fix usage of struct device used for DMAing
ssb: Fix usage of struct device used for DMAing
MAINTAINERS: move to generic repository for iwlwifi
b43legacy: fix initvals loading on bcm4303
rtl8187: Add missing priv->vif assignments
netconsole: only set CON_PRINTBUFFER if the user specifies a netconsole
[CAN]: Update documentation of struct sockaddr_can
MAINTAINERS: isdn4linux@listserv.isdn4linux.de is subscribers-only
[TCP]: Fix never pruned tcp out-of-order queue.
[NET_SCHED] sch_api: fix qdisc_tree_decrease_qlen() loop
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Describe debug parameters with their names (and not their values).
Signed-off-by: Paul Bolle <pebolle@tiscali.nl>
Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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The alloc_netdev_mq() tries to produce 32-bytes alignment for both
the net_device itself and its private data. The second alignment is
achieved by adding the NETDEV_ALIGN_CONST to the whole size of
the memory to be allocated.
However, for those devices that do not need the private area, this
addition just makes the net_device weight 1024 + 32 = 1068 bytes,
i.e. consume twice as much memory.
Since loopback device is such (sizeof_priv == 0 for it), and each
net namespace creates one, this can save a noticeable amount of
memory for kernel with net namespaces turned on.
After this set the lo device is actually allocated from a size-1024
kmem cache on i386 box even with NETPOLL and WIRELESS_EXT turned on.
Signed-off-by: Pavel Emelyanov <xemul@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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dev_set_net is called for
- just allocated devices
- devices moving from one namespace to another
release_net has proper check inside to distinguish these cases.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Protocol control sockets and netlink kernel sockets should not prevent the
namespace stop request. They are initialized and disposed in a special way by
sk_change_net/sk_release_kernel.
Signed-off-by: Denis V. Lunev <den@openvz.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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