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Some code here depends on CONFIG_KMOD to not try to load
protocol modules or similar, replace by CONFIG_MODULES
where more than just request_module depends on CONFIG_KMOD
and and also use try_then_request_module in ebtables.
Signed-off-by: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Commit 954415e33ed6cfa932c13e8c2460bd05e50723b5 ("[PKT_SCHED] ematch:
tcf_em_destroy robustness") removed a cast on em->data when
passing it to kfree(), but em->data is an integer type that can
hold pointers as well as other values so the cast is necessary.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Make the code in tcf_em_tree_destroy more robust and cleaner:
* Don't need to cast pointer to kfree() or avoid passing NULL.
* After freeing the tree, clear the pointer to avoid possible problems
from repeated free.
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Setting up a meta match causes a kernel OOPS because of uninitialized
elements in tree.
[ 37.322381] BUG: unable to handle kernel NULL pointer dereference at 0000000000000000
[ 37.322381] IP: [<ffffffff883fc717>] :em_meta:em_meta_destroy+0x17/0x80
[ 37.322381] Call Trace:
[ 37.322381] [<ffffffff803ec83d>] tcf_em_tree_destroy+0x2d/0xa0
[ 37.322381] [<ffffffff803ecc8c>] tcf_em_tree_validate+0x2dc/0x4a0
[ 37.322381] [<ffffffff803f06d2>] nla_parse+0x92/0xe0
[ 37.322381] [<ffffffff883f9672>] :cls_basic:basic_change+0x202/0x3c0
[ 37.322381] [<ffffffff802a3917>] kmem_cache_alloc+0x67/0xa0
[ 37.322381] [<ffffffff803ea221>] tc_ctl_tfilter+0x3b1/0x580
[ 37.322381] [<ffffffff803dffd0>] rtnetlink_rcv_msg+0x0/0x260
[ 37.322381] [<ffffffff803ee944>] netlink_rcv_skb+0x74/0xa0
[ 37.322381] [<ffffffff803dffc8>] rtnetlink_rcv+0x18/0x20
[ 37.322381] [<ffffffff803ee6c3>] netlink_unicast+0x263/0x290
[ 37.322381] [<ffffffff803cf276>] __alloc_skb+0x96/0x160
[ 37.322381] [<ffffffff803ef014>] netlink_sendmsg+0x274/0x340
[ 37.322381] [<ffffffff803c7c3b>] sock_sendmsg+0x12b/0x140
[ 37.322381] [<ffffffff8024de90>] autoremove_wake_function+0x0/0x30
[ 37.322381] [<ffffffff8024de90>] autoremove_wake_function+0x0/0x30
[ 37.322381] [<ffffffff803c7c3b>] sock_sendmsg+0x12b/0x140
[ 37.322381] [<ffffffff80288611>] zone_statistics+0xb1/0xc0
[ 37.322381] [<ffffffff803c7e5e>] sys_sendmsg+0x20e/0x360
[ 37.322381] [<ffffffff803c7411>] sockfd_lookup_light+0x41/0x80
[ 37.322381] [<ffffffff8028d04b>] handle_mm_fault+0x3eb/0x7f0
[ 37.322381] [<ffffffff8020c2fb>] system_call_after_swapgs+0x7b/0x80
Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use nla_nest_start/nla_nest_end for dumping nested attributes.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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nla_parse() returns more detailed errno codes, propagate them back on
error.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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So that it is also an offset from skb->head, reduces its size from 8 to 4 bytes
on 64bit architectures, allowing us to combine the 4 bytes hole left by the
layer headers conversion, reducing struct sk_buff size to 256 bytes, i.e. 4
64byte cachelines, and since the sk_buff slab cache is SLAB_HWCACHE_ALIGN...
:-)
Many calculations that previously required that skb->{transport,network,
mac}_header be first converted to a pointer now can be done directly, being
meaningful as offsets or pointers.
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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After Al Viro (finally) succeeded in removing the sched.h #include in module.h
recently, it makes sense again to remove other superfluous sched.h includes.
There are quite a lot of files which include it but don't actually need
anything defined in there. Presumably these includes were once needed for
macros that used to live in sched.h, but moved to other header files in the
course of cleaning it up.
To ease the pain, this time I did not fiddle with any header files and only
removed #includes from .c-files, which tend to cause less trouble.
Compile tested against 2.6.20-rc2 and 2.6.20-rc2-mm2 (with offsets) on alpha,
arm, i386, ia64, mips, powerpc, and x86_64 with allnoconfig, defconfig,
allmodconfig, and allyesconfig as well as a few randconfigs on x86_64 and all
configs in arch/arm/configs on arm. I also checked that no new warnings were
introduced by the patch (actually, some warnings are removed that were emitted
by unnecessarily included header files).
Signed-off-by: Tim Schmielau <tim@physik3.uni-rostock.de>
Acked-by: Russell King <rmk+kernel@arm.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
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Signed-off-by: Panagiotis Issaris <takis@issaris.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Jörn Engel <joern@wohnheim.fh-wedel.de>
Signed-off-by: Adrian Bunk <bunk@stusta.de>
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Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Fixes an invalid memory reference when the basic classifier
is used without any ematches but just actions.
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
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