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When we look up a new cred in the auth_gss downcall so that we can stuff
the credcache, we do not want that lookup to queue up an upcall in order
to initialise it. To do an upcall here not only redundant, but since we
are already holding the inode->i_mutex, it will trigger a lock recursion.
This patch allows rpcauth cache searches to indicate that they can cope
with uninitialised credentials.
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
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Fix the syntax of some kernel-doc comments
Signed-off-by: Martin Waitz <tali@admingilde.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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It was copy&pasted from tcp_v6_send_synack() which has
a DST leak recently fixed by Eric W. Biederman.
So dccp_v6_send_response() needs the same fix too.
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch fix dst reference counting in tcp_v6_send_synack
Analysis:
Currently tcp_v6_send_synack is never called with a dst entry
so dst always comes in as NULL.
ip6_dst_lookup calls ip6_route_output which calls dst_hold
before it returns the dst entry. Neither xfrm_lookup
nor tcp_make_synack consume the dst entry so we still have
a dst_entry with a bumped refrence count at the end of
this function.
Therefore we need to call dst_release just before we return
just like tcp_v4_send_synack does.
Signed-off-by: Eric W. Biederman <ebiederm@xmission.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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inet_bind_bucket_create was exported twice. Keep the export in the
file where inet_bind_bucket_create is defined.
Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is a simpler fix for the two races in bridge device removal.
The Xen race of delif and notify is managed now by a new deleted flag.
No need for barriers or other locking because of rtnl mutex.
The del_timer_sync()'s are unnecessary, because br_stp_disable_port
delete's the timers, and they will finish running before RCU callback.
Signed-off-by: Stephen Hemminger <shemminger@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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ip_route_newports uses the struct flowi from the struct rtable returned
by ip_route_connect for the new route lookup and just replaces the port
numbers if they have changed. If an IPsec policy exists which doesn't match
port 0 the struct flowi won't have the proto field set and no xfrm lookup
is done for the changed ports.
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Modern versions of gcc do not like case statements at the end of a block
statement: you need at least an empty statement. Using just a "break;"
is preferred for visual style.
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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master.kernel.org:/pub/scm/linux/kernel/git/jgarzik/netdev-2.6
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On my system, I get unhandled management functions corresponding
to IEEE80211_STYPE_REASSOC_REQ and IEEE80211_STYPE_ASSOC_REQ. The
attached patch adds the logic to pass these requests off to a user
stack. The patches to implement these requests in softmac have already
been sent to Johannes Berg.
Signed-Off-By: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This fixes the accounting in H-TCP, the ccount variable is also
adjusted a few lines above this one.
This line was not supposed to be there and wasn't there in the patches
originally submitted, the four patches submitted were merged to one
and in that merge the bug was introduced.
Signed-Off-By: Baruch Even <baruch@ev-en.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This is easily triggerable by sending bogus packets,
allowing a malicious user to flood remote logs.
Signed-off-by: Dave Jones <davej@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch creates two functions ieee80211_wx_set_auth and
ieee80211_wx_get_auth that can be used by drivers for the wireless
extension handlers instead of writing their own, if the implementation
should be software only.
These patches enable using bcm43xx devices with WPA and this seems (as
far as I can tell) to be the only difference between the stock ieee80211
and softmac's ieee80211 left.
Signed-Off-By: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Patch fixes misplaced (). Diffed against wireless-2.6.git
Signed-off-by: Denis Vlasenko <vda@ilport.com.ua>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch contains the following changes:
- add a CONFIG_WIRELESS_EXT select'ed by NET_RADIO for conditional
code
- remove the now no longer required #ifdef CONFIG_NET_RADIO from some
#include's
Based on a patch by Jean Tourrilhes <jt@hpl.hp.com>.
Signed-off-by: Adrian Bunk <bunk@stusta.de>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The number of HEARTBEAT chunks that an association may transmit is
limited by Association.Max.Retrans count; however, the code allows
us to send one extra heartbeat.
This patch limits the number of heartbeats to the maximum count.
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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We currently count the initial INIT/COOKIE_ECHO chunk toward the
retransmit count and thus sends a total of sctp_max_retrans_init chunks.
The correct behavior is to retransmit the chunk sctp_max_retrans_init in
addition to sending the original.
Signed-off-by: Vlad Yasevich <vladislav.yasevich@hp.com>
Signed-off-by: Sridhar Samudrala <sri@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch, generated against 2.6.16-rc1-git4, corrects two typographical
errors in ieee80211_rx.c and adds the facility name to a bare printk.
Signed-Off-By: Larry Finger <Larry.Finger@lwfinger.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Added default handlers for various 802.11h DFS and TPC information
elements. Moved all information elements into single location (called
from two places). Added debug message with information on unparsed IEs
if debug_level set. Added code to reset network IBSS DFS information
when appropriate. Added code to invoke driver callback for 802.11h
ACTION STYPE. Changed a few printk's to IEEE80211_DEBUG_MGMT.
Signed-off-by: James Ketrenos <jketreno@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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To support IEEE 802.11h in IBSS, an ibss_dfs field is added to struct
ieee80211_network. In IBSS, if one STA sends a beacon with DFS info
(for radar detection), all the other STAs should receive and store
this DFS. All STAs should send the DFS as one of the information
element in the beacon they are scheduled to send (if possible) in
the future.
Since the ibss_dfs has variable length, it must be allocated
dynamically. ieee80211_network_reset() is added to clear the ibss_dfs
field. ieee80211_network_free() is also updated to free the ibss_dfs
field if it is not NULL.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Add 802.11h data types and structure definitions to ieee80211.h.
Signed-off-by: Hong Liu <hong.liu@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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This patch adds ieee80211 TKIP build_iv() method to support hardwares
that can do TKIP encryption but relies on ieee80211 layer to build
the IV. It also changes the build_iv() interface to return the key
if possible after the IV is built (this is required by TKIP).
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Added partial support of TIM information element parsing
Signed-off-by: James Ketrenos <jketreno@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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kmalloc+memset -> kzalloc cleanups in ieee80211_crypt_tkip
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Add spectrum management information and use stat.signal to provide
signal level information.
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Log to wireless network stats if netif_rx() drops the packet.
(also trailing whitespace and Lindent cleanups as part of patch-apply
process)
Signed-off-by: James Ketrenos <jketreno@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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>If encryption is enabled, each fragment payload size is reduced by enough space
>to add the prefix and postfix (IV and ICV totalling 8 bytes in the case of WEP)
>So if you have 1500 bytes of payload with ieee->fts set to 500 without
>encryption it will take 3 frames. With WEP it will take 4 frames as the
>payload of each frame is reduced to 492 bytes.
Text is correct, but in picture (IV,payload,ICV) sits inside SNAP.
Patch corrects this.
Signed-Off-By: Denis Vlasenko <vda@ilport.com.ua>
Acked-By: Johannes Berg <johannes@sipsolutions.net>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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Limit the amount of output given to iwlist scan.
Signed-off-by: Hong Liu <hong.liu@intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The code for pulling the key to use for decrypt was correctly using
the host_mc_decrypt flag. The code that actually decrypted,
however, was based on host_decrypt. This patch changes this
behavior.
Signed-off-by: Etay Bogner <etay.bogner@gmail.com>
Signed-off-by: James Ketrenos <jketreno@linux.intel.com>
Signed-off-by: Zhu Yi <yi.zhu@intel.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
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The following patch fixes these problems in MLDv2:
1) Add/remove "delete" records for sending change reports when
addition of a filter results in that filter transitioning to/from
inactive. [same as recent IPv4 IGMPv3 fix]
2) Remove 2 redundant "group_type" checks (can't be IPV6_ADDR_ANY
within that loop, so checks are always true)
3) change an is_in() "return 0" to "return type == MLD2_MODE_IS_INCLUDE".
It should always be "0" to get here, but it improves code locality
to not assume it, and if some race allowed otherwise, doing
the check would return the correct result.
Signed-off-by: David L Stevens <dlstevens@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When returning a message to userspace in reply to a SADB_FLUSH or
SADB_X_SPDFLUSH message, the type was not set for the returned PFKEY
message. The patch below corrects this problem.
Signed-off-by: Jerome Borsboom <j.borsboom@erasmusmc.nl>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This information is already available via /proc/net/bonding/*
therefore it doesn't make sense to require CAP_NET_ADMIN
privileges.
Original patch by Laurent Deniel <laurent.deniel@free.fr>
Signed-off-by: Thomas Graf <tgraf@suug.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On the error path if we allocated an fclone then we will free it in
the wrong pool.
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Kris Katterjohn <kjak@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This fixes some whitespace issues in net/core/filter.c
Signed-off-by: Kris Katterjohn <kjak@users.sourceforge.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
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EDAC requires a way to scrub memory if an ECC error is found and the chipset
does not do the work automatically. That means rewriting memory locations
atomically with respect to all CPUs _and_ bus masters. That means we can't
use atomic_add(foo, 0) as it gets optimised for non-SMP
This adds a function to include/asm-foo/atomic.h for the platforms currently
supported which implements a scrub of a mapped block.
It also adjusts a few other files include order where atomic.h is included
before types.h as this now causes an error as atomic_scrub uses u32.
Signed-off-by: Alan Cox <alan@redhat.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
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Allow mechanisms to return more varied errors on the context creation
downcall.
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>
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We require the server's gssd to create a completed context before asking the
kernel to send a final context init reply. However, gssd could be buggy, or
under some bizarre circumstances we might purge the context from our cache
before we get the chance to use it here.
Handle this case by returning GSS_S_NO_CONTEXT to the client.
Also move the relevant code here to a separate function rather than nesting
excessively.
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>
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Kerberos context initiation is handled in a single round trip, but other
mechanisms (including spkm3) may require more, so we need to handle the
GSS_S_CONTINUE case in svcauth_gss_accept. Send a null verifier.
Signed-off-by: Andy Adamson <andros@citi.umich.edu>
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>
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The server code currently keeps track of the destination address on every
request so that it can reply using the same address. However we forget to do
that in the case of a deferred request. Remedy this oversight. >From folks
at PolyServe.
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>
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1) fix "mld_marksources()" to
a) send nothing when all queried sources are excluded
b) send full exclude report when source queried sources are
not excluded
c) don't schedule a timer when there's nothing to report
2) fix "add_grec()" to send empty-source records when it should
The original check doesn't account for a non-empty source
list with all sources inactive; the new code keeps that
short-circuit case, and also generates the group header
with an empty list if needed.
3) fix mca_crcount decrement to be after add_grec(), which needs
its original value
4) add/remove delete records and prevent current advertisements
when an exclude-mode filter moves from "active" to "inactive"
or vice versa based on new filter additions.
Items 1-3 are just IPv4 versions of the IPv6 bugs found
by Yan Zheng and fixed earlier. Item #4 is a related bug that
affects exclude-mode change records only (but not queries) and
also occurs in IPv6 (IPv6 version coming soon).
Signed-off-by: David L Stevens <dlstevens@us.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Don't assume 16.
Found by Ben Greear.
Signed-off-by: David S. Miller <davem@davemloft.net>
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BUG: using smp_processor_id() in preemptible [00000001] code: rpc.statd/2408
And it _is_ a bug, but I guess we don't care enough to add preempt_disable().
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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This patch adds a tipc_ prefix to all externally visible symbols.
Signed-off-by: Per Liden <per.liden@ericsson.com>
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This is just a cosmetic change that moves the TIPC configuration
entry next to the other protocols that also have sub-options.
Makes the the networking options menu look a bit better.
Signed-off-by: Per Liden <per.liden@ericsson.com>
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Signed-off-by: Per Liden <per.liden@ericsson.com>
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