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* 6lowpan: Fix endianness issue in is_addr_link_local().YOSHIFUJI Hideaki / 吉藤英明2013-03-10
| | | | | Signed-off-by: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* hlist: drop the node parameter from iteratorsSasha Levin2013-02-27
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | I'm not sure why, but the hlist for each entry iterators were conceived list_for_each_entry(pos, head, member) The hlist ones were greedy and wanted an extra parameter: hlist_for_each_entry(tpos, pos, head, member) Why did they need an extra pos parameter? I'm not quite sure. Not only they don't really need it, it also prevents the iterator from looking exactly like the list iterator, which is unfortunate. Besides the semantic patch, there was some manual work required: - Fix up the actual hlist iterators in linux/list.h - Fix up the declaration of other iterators based on the hlist ones. - A very small amount of places were using the 'node' parameter, this was modified to use 'obj->member' instead. - Coccinelle didn't handle the hlist_for_each_entry_safe iterator properly, so those had to be fixed up manually. The semantic patch which is mostly the work of Peter Senna Tschudin is here: @@ iterator name hlist_for_each_entry, hlist_for_each_entry_continue, hlist_for_each_entry_from, hlist_for_each_entry_rcu, hlist_for_each_entry_rcu_bh, hlist_for_each_entry_continue_rcu_bh, for_each_busy_worker, ax25_uid_for_each, ax25_for_each, inet_bind_bucket_for_each, sctp_for_each_hentry, sk_for_each, sk_for_each_rcu, sk_for_each_from, sk_for_each_safe, sk_for_each_bound, hlist_for_each_entry_safe, hlist_for_each_entry_continue_rcu, nr_neigh_for_each, nr_neigh_for_each_safe, nr_node_for_each, nr_node_for_each_safe, for_each_gfn_indirect_valid_sp, for_each_gfn_sp, for_each_host; type T; expression a,c,d,e; identifier b; statement S; @@ -T b; <+... when != b ( hlist_for_each_entry(a, - b, c, d) S | hlist_for_each_entry_continue(a, - b, c) S | hlist_for_each_entry_from(a, - b, c) S | hlist_for_each_entry_rcu(a, - b, c, d) S | hlist_for_each_entry_rcu_bh(a, - b, c, d) S | hlist_for_each_entry_continue_rcu_bh(a, - b, c) S | for_each_busy_worker(a, c, - b, d) S | ax25_uid_for_each(a, - b, c) S | ax25_for_each(a, - b, c) S | inet_bind_bucket_for_each(a, - b, c) S | sctp_for_each_hentry(a, - b, c) S | sk_for_each(a, - b, c) S | sk_for_each_rcu(a, - b, c) S | sk_for_each_from -(a, b) +(a) S + sk_for_each_from(a) S | sk_for_each_safe(a, - b, c, d) S | sk_for_each_bound(a, - b, c) S | hlist_for_each_entry_safe(a, - b, c, d, e) S | hlist_for_each_entry_continue_rcu(a, - b, c) S | nr_neigh_for_each(a, - b, c) S | nr_neigh_for_each_safe(a, - b, c, d) S | nr_node_for_each(a, - b, c) S | nr_node_for_each_safe(a, - b, c, d) S | - for_each_gfn_sp(a, c, d, b) S + for_each_gfn_sp(a, c, d) S | - for_each_gfn_indirect_valid_sp(a, c, d, b) S + for_each_gfn_indirect_valid_sp(a, c, d) S | for_each_host(a, - b, c) S | for_each_host_safe(a, - b, c, d) S | for_each_mesh_entry(a, - b, c, d) S ) ...+> [akpm@linux-foundation.org: drop bogus change from net/ipv4/raw.c] [akpm@linux-foundation.org: drop bogus hunk from net/ipv6/raw.c] [akpm@linux-foundation.org: checkpatch fixes] [akpm@linux-foundation.org: fix warnings] [akpm@linux-foudnation.org: redo intrusive kvm changes] Tested-by: Peter Senna Tschudin <peter.senna@gmail.com> Acked-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com> Signed-off-by: Sasha Levin <sasha.levin@oracle.com> Cc: Wu Fengguang <fengguang.wu@intel.com> Cc: Marcelo Tosatti <mtosatti@redhat.com> Cc: Gleb Natapov <gleb@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
* Merge tag 'driver-core-3.9-rc1' of ↵Linus Torvalds2013-02-21
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core Pull driver core patches from Greg Kroah-Hartman: "Here is the big driver core merge for 3.9-rc1 There are two major series here, both of which touch lots of drivers all over the kernel, and will cause you some merge conflicts: - add a new function called devm_ioremap_resource() to properly be able to check return values. - remove CONFIG_EXPERIMENTAL Other than those patches, there's not much here, some minor fixes and updates" Fix up trivial conflicts * tag 'driver-core-3.9-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core: (221 commits) base: memory: fix soft/hard_offline_page permissions drivercore: Fix ordering between deferred_probe and exiting initcalls backlight: fix class_find_device() arguments TTY: mark tty_get_device call with the proper const values driver-core: constify data for class_find_device() firmware: Ignore abort check when no user-helper is used firmware: Reduce ifdef CONFIG_FW_LOADER_USER_HELPER firmware: Make user-mode helper optional firmware: Refactoring for splitting user-mode helper code Driver core: treat unregistered bus_types as having no devices watchdog: Convert to devm_ioremap_resource() thermal: Convert to devm_ioremap_resource() spi: Convert to devm_ioremap_resource() power: Convert to devm_ioremap_resource() mtd: Convert to devm_ioremap_resource() mmc: Convert to devm_ioremap_resource() mfd: Convert to devm_ioremap_resource() media: Convert to devm_ioremap_resource() iommu: Convert to devm_ioremap_resource() drm: Convert to devm_ioremap_resource() ...
| * driver-core: constify data for class_find_device()Michał Mirosław2013-02-06
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | All in-kernel users of class_find_device() don't really need mutable data for match callback. In two places (kernel/power/suspend_test.c, drivers/scsi/osd/osd_uld.c) this patch changes match callbacks to use const search data. The const is propagated to rtc_class_open() and power_supply_get_by_name() parameters. Note that there's a dev reference leak in suspend_test.c that's not touched in this patch. Signed-off-by: Michał Mirosław <mirq-linux@rere.qmqm.pl> Acked-by: Grant Likely <grant.likely@secretlab.ca> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| * net/ieee802154: remove depends on CONFIG_EXPERIMENTALKees Cook2013-01-11
| | | | | | | | | | | | | | | | | | | | | | | | The CONFIG_EXPERIMENTAL config item has not carried much meaning for a while now and is almost always enabled by default. As agreed during the Linux kernel summit, remove it from any "depends on" lines in Kconfigs. CC: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> CC: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> CC: "David S. Miller" <davem@davemloft.net> Signed-off-by: Kees Cook <keescook@chromium.org> Acked-by: David S. Miller <davem@davemloft.net>
* | 6lowpan: use stack buffer instead of heapAlexander Aring2013-02-06
| | | | | | | | | | | | | | | | | | | | head buffer is only temporary available in lowpan_header_create. So it's not necessary to put it on the heap. Also fixed a comment codestyle issue. Signed-off-by: Alexander Aring <alex.aring@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | 6lowpan: Remove __init tag from lowpan_netlink_fini().David S. Miller2013-02-06
| | | | | | | | | | | | | | It's called from both __init and __exit code, so neither tag is appropriate. Signed-off-by: David S. Miller <davem@davemloft.net>
* | 6lowpan: Handle uncompressed IPv6 packets over 6LoWPANAlan Ott2013-01-18
| | | | | | | | | | | | | | Handle the reception of uncompressed packets (dispatch type = IPv6). Signed-off-by: Alan Ott <alan@signal11.us> Signed-off-by: David S. Miller <davem@davemloft.net>
* | 6lowpan: Refactor packet delivery into a functionAlan Ott2013-01-18
|/ | | | | | | | Refactor the handing of the skb's to the individual lowpan devices into a function. Signed-off-by: Alan Ott <alan@signal11.us> Signed-off-by: David S. Miller <davem@davemloft.net>
* 6lowpan: consider checksum bytes in fragmentation thresholdAlan Ott2012-11-30
| | | | | | | | | | Change the threshold for framentation of a lowpan packet from using the MTU size to now use the MTU size minus the checksum length, which is added by the hardware. For IEEE 802.15.4, this effectively changes it from 127 bytes to 125 bytes. Signed-off-by: Alan Ott <alan@signal11.us> Signed-off-by: David S. Miller <davem@davemloft.net>
* net/ieee802154/6lowpan.c: Remove unecessary semicolonPeter Senna Tschudin2012-09-18
| | | | | | | Found by http://coccinelle.lip6.fr/ Signed-off-by: Peter Senna Tschudin <peter.senna@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* netlink: Rename pid to portid to avoid confusionEric W. Biederman2012-09-10
| | | | | | | | | | | | | | | It is a frequent mistake to confuse the netlink port identifier with a process identifier. Try to reduce this confusion by renaming fields that hold port identifiers portid instead of pid. I have carefully avoided changing the structures exported to userspace to avoid changing the userspace API. I have successfully built an allyesconfig kernel with this change. Signed-off-by: "Eric W. Biederman" <ebiederm@xmission.com> Acked-by: Stephen Hemminger <shemminger@vyatta.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* 6lowpan: handle NETDEV_UNREGISTER eventAlan Ott2012-09-01
| | | | | | | | Before, it was impossible to remove a wpan device which had lowpan attached to it. Signed-off-by: Alan Ott <alan@signal11.us> Signed-off-by: David S. Miller <davem@tempietto.lan>
* 6lowpan: Make a copy of skb's delivered to 6lowpanAlan Ott2012-09-01
| | | | | | | | | Since lowpan_process_data() modifies the skb (by calling skb_pull()), we need our own copy so that it doesn't affect the data received by other protcols (in this case, af_ieee802154). Signed-off-by: Alan Ott <alan@signal11.us> Signed-off-by: David S. Miller <davem@tempietto.lan>
* 6lowpan: Change byte order when storing/accessing to len fieldTony Cheneau2012-07-17
| | | | | | | | | | Lenght field should be encoded using big endian byte order, such as intend in the specs. As it is currently written, the len field would not be decoded properly on an implementation using the correct byte ordering. Hence, it could lead to interroperability issues. Also, I rewrote the code so that iphc0 argument of lowpan_alloc_new_frame could be removed. Signed-off-by: Tony Cheneau <tony.cheneau@amnesiak.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* 6lowpan: Change byte order when storing/accessing u16 tagTony Cheneau2012-07-17
| | | | | | | | | | The tag field should be stored and accessed using big endian byte order (as intended in the specs). Or else, when displayed with a trafic analyser, such a Wireshark, the field not properly displayed (e.g. 0x01 00 instead of 0x00 01, and so on). Signed-off-by: Tony Cheneau <tony.cheneau@amnesiak.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* 6lowpan: Fix null pointer dereference in UDP uncompression functionTony Cheneau2012-07-17
| | | | | | | | | | When a UDP packet gets fragmented, a crash will occur at reassembly time. This is because skb->transport_header is not set during earlier period of fragment reassembly. As a consequence, call to udp_hdr() return NULL and uh (which is NULL) gets dereferenced without much test. Signed-off-by: Tony Cheneau <tony.cheneau@amnesiak.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* 6lowpan: rework fragment-deleting routinealex.bluesman.smirnov@gmail.com2012-07-12
| | | | | | | | | | | | | 6lowpan module starts collecting incomming frames and fragments right after lowpan_module_init() therefor it will be better to clean unfinished fragments in lowpan_cleanup_module() function instead of doing it when link goes down. Changed spinlocks type to prevent deadlock with expired timer event and removed unused one. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* 6lowpan: fix tag variable sizealex.bluesman.smirnov@gmail.com2012-07-12
| | | | | | | | | | | Function lowpan_alloc_new_frame() takes u8 tag as an argument. However, its only caller, lowpan_process_data() passes down a u16. Hence, the tag value can get corrupted. This prevent 6lowpan fragment reassembly of a message when the fragment tag value is over 256. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Cc: Tony Cheneau <tony.cheneau@amnesiak.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* 6lowpan: get extra headroom in allocated framealex.bluesman.smirnov@gmail.com2012-07-12
| | | | | | | | | Use netdev_alloc_skb_ip_align() instead of alloc_skb() to get some extra headroom in case we need to forward this frame in a tunnel or something else. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* 6lowpan: revert: add missing spin_lock_init()alex.bluesman.smirnov@gmail.com2012-07-12
| | | | | | | | | Revert the commit 768f7c7c121e80f458a9d013b2e8b169e5dfb1e5 to initialize spinlock in the more preferable way and make it static to avoid sparse warning. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2012-07-11
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: net/batman-adv/bridge_loop_avoidance.c net/batman-adv/bridge_loop_avoidance.h net/batman-adv/soft-interface.c net/mac80211/mlme.c With merge help from Antonio Quartulli (batman-adv) and Stephen Rothwell (drivers/net/usb/qmi_wwan.c). The net/mac80211/mlme.c conflict seemed easy enough, accounting for a conversion to some new tracing macros. Signed-off-by: David S. Miller <davem@davemloft.net>
| * ieee802154: verify packet size before trying to allocate itSasha Levin2012-07-09
| | | | | | | | | | | | | | | | | | | | | | Currently when sending data over datagram, the send function will attempt to allocate any size passed on from the userspace. We should make sure that this size is checked and limited. We'll limit it to the MTU of the device, which is checked later anyway. Signed-off-by: Sasha Levin <levinsasha928@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | 6lowpan: revert 'reuse eth_mac_addr()'alex.bluesman.smirnov@gmail.com2012-07-05
| | | | | | | | | | | | | | | | | | | | | | | | This reverts the commit cdf49c283e2e105da86ca575ad35b453f5ff24ea which replaces lowpan '.ndo_set_mac_address' method by ethernet's one. Accorind to the IEEE 802.15.4 standard, device has 8-byte length address, so this hook loses the last 2 bytes which may rise a compatibility problems with other IEEE 802.15.4 standard implementations. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: Use NLMSG_DEFAULT_SIZE in combination with nlmsg_new()Thomas Graf2012-06-28
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Using NLMSG_GOODSIZE results in multiple pages being used as nlmsg_new() will automatically add the size of the netlink header to the payload thus exceeding the page limit. NLMSG_DEFAULT_SIZE takes this into account. Signed-off-by: Thomas Graf <tgraf@suug.ch> Cc: Jiri Pirko <jpirko@redhat.com> Cc: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Cc: Sergey Lapin <slapin@ossfans.org> Cc: Johannes Berg <johannes@sipsolutions.net> Cc: Lauro Ramos Venancio <lauro.venancio@openbossa.org> Cc: Aloisio Almeida Jr <aloisio.almeida@openbossa.org> Cc: Samuel Ortiz <sameo@linux.intel.com> Reviewed-by: Jiri Pirko <jpirko@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | 6lowpan: double unlock on an error pathDan Carpenter2012-06-27
| | | | | | | | | | | | | | | | | | | | We already unlocked a few lines earlier here, so we can go directly to drop without passing through unlock. This was introduced recently in c5d3687f6c ('6lowpan: read data from skb safely'). Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | 6lowpan: remove excessive argument in pr_debugalex.bluesman.smirnov@gmail.com2012-06-25
| | | | | | | | | | | | | | | | Remove excessive __func__ argument in pr_debug function and some excessive debug messages. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | 6lowpan: fix hop limit compressionalex.bluesman.smirnov@gmail.com2012-06-25
| | | | | | | | | | | | | | | | Add missing pointer shift for the 'default' case. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Cc: Tony Cheneau <tony.cheneau+zigbeedev@amnesiak.org> Signed-off-by: David S. Miller <davem@davemloft.net>
* | 6lowpan: read data from skb safelyalex.bluesman.smirnov@gmail.com2012-06-25
|/ | | | | | | | Check if skb buffer can pull requested amount of bytes and return an error in opposite case. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* ieee802154: interface type to be addedalex.bluesman.smirnov@gmail.com2012-05-16
| | | | | | | | | This stack implementation distinguishes several types of slave interfaces. Another parameter to 'add_iface_' function is added to clarify the interface type is going to be registered. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/netDavid S. Miller2012-05-07
|\ | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Conflicts: drivers/net/ethernet/intel/e1000e/param.c drivers/net/wireless/iwlwifi/iwl-agn-rx.c drivers/net/wireless/iwlwifi/iwl-trans-pcie-rx.c drivers/net/wireless/iwlwifi/iwl-trans.h Resolved the iwlwifi conflict with mainline using 3-way diff posted by John Linville and Stephen Rothwell. In 'net' we added a bug fix to make iwlwifi report a more accurate skb->truesize but this conflicted with RX path changes that happened meanwhile in net-next. In e1000e a conflict arose in the validation code for settings of adapter->itr. 'net-next' had more sophisticated logic so that logic was used. Signed-off-by: David S. Miller <davem@davemloft.net>
| * 6lowpan: add missing spin_lock_init()alex.bluesman.smirnov@gmail.com2012-04-26
| | | | | | | | | | | | | | Add missing spin_lock_init() for frames list lock. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * 6lowpan: clean up fragments list if module unloadedalex.bluesman.smirnov@gmail.com2012-04-26
| | | | | | | | | | | | | | | | Clean all the pending fragments and relative timers if 6lowpan link is going to be deleted. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
| * 6lowpan: fix segmentation fault caused by mlme requestalex.bluesman.smirnov@gmail.com2012-04-26
| | | | | | | | | | | | | | | | | | Add nescesary mlme callbacks to satisfy "iz list" request from user space. Due to 6lowpan device doesn't have its own phy, mlme implemented as a pipe to a real phy to which 6lowpan is attached. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | 6lowpan: duplicate definition of IEEE802154_ALENalex.bluesman.smirnov@gmail.com2012-04-26
| | | | | | | | | | | | | | | | The same macros is defined in 'include/net/af_ieee802154.h' and is called IEEE802154_ADDR_LEN. No need another one, so remove it. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | 6lowpan: move frame allocation code to a separate functionalex.bluesman.smirnov@gmail.com2012-04-26
| | | | | | | | | | | | | | | | Separate frame allocation routine from data processing function. This makes code more human readable and easier for understanding. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | net: cleanup unsigned to unsigned intEric Dumazet2012-04-15
| | | | | | | | | | | | | | Use of "unsigned int" is preferred to bare "unsigned" in net tree. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* | ieee802154: Stop using NLA_PUT*().David S. Miller2012-04-02
|/ | | | | | | These macros contain a hidden goto, and are thus extremely error prone and make code hard to audit. Signed-off-by: David S. Miller <davem@davemloft.net>
* net/ieee802154/6lowpan.c: reuse eth_mac_addr()Danny Kukawka2012-02-22
| | | | | | | | | | | Use eth_mac_addr() for .ndo_set_mac_address, remove lowpan_set_address since it do currently the same as eth_mac_addr(). Additional advantage: eth_mac_addr() already checks if the given address is valid Signed-off-by: Danny Kukawka <danny.kukawka@bisect.de> Acked-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Remove all uses of LL_ALLOCATED_SPACEHerbert Xu2011-11-18
| | | | | | | | | | | | | | | | | | net: Remove all uses of LL_ALLOCATED_SPACE The macro LL_ALLOCATED_SPACE was ill-conceived. It applies the alignment to the sum of needed_headroom and needed_tailroom. As the amount that is then reserved for head room is needed_headroom with alignment, this means that the tail room left may be too small. This patch replaces all uses of LL_ALLOCATED_SPACE with the macro LL_RESERVED_SPACE and direct reference to needed_tailroom. This also fixes the problem with needed_headroom changing between allocating the skb and reserving the head room. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Signed-off-by: David S. Miller <davem@davemloft.net>
* 6LoWPAN: double free in lowpan_fragment_xmit()Dan Carpenter2011-11-16
| | | | | | | | | dev_queue_xmit() consumes its own skb, so the call to dev_kfree_skb() in lowpan_fragment_xmit() is a double free. Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Acked-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* 6LoWPAN: UDP header decompressionalex.bluesman.smirnov@gmail.com2011-11-14
| | | | | | | | This patch provides possibility to decompress UDP headers. Derived from Contiki OS. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* 6LoWPAN: UDP header compressionalex.bluesman.smirnov@gmail.com2011-11-14
| | | | | | | | This patch adds support for UDP header compression. Derived from Contiki OS. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* 6LoWPAN: set proper netdev flagsalex.bluesman.smirnov@gmail.com2011-11-14
| | | | | | | | | This patch fixes settings for device initialization which makes possible to use NDISC and TCP. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Acked-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* 6LoWPAN: disable debugging by defaultalex.bluesman.smirnov@gmail.com2011-11-14
| | | | | | | | This patch disables debug output enabled by default. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Acked-by: Dmitry Eremin-Solenikov <dbaryshkov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* 6LoWPAN: add fragmentation supportalex.bluesman.smirnov@gmail.com2011-11-14
| | | | | | | This patch adds support for frame fragmentation. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* net: Add export.h for EXPORT_SYMBOL/THIS_MODULE to non-modulesPaul Gortmaker2011-10-31
| | | | | | | | | These files are non modular, but need to export symbols using the macros now living in export.h -- call out the include so that things won't break when we remove the implicit presence of module.h from everywhere. Signed-off-by: Paul Gortmaker <paul.gortmaker@windriver.com>
* 6LoWPAN: fix skb_copy callalex.bluesman.smirnov@gmail.com2011-09-15
| | | | | | | | | | | This patch fixes 2 issues in lowpan_skb_deliver function: 1. Check for return status of skb_copy call; 2. Use skb_copy with proper GFP flag, drop check for non-interrupt context. Signed-off-by: Alexander Smirnov <alex.bluesman.smirnov@gmail.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* 6LoWPAN: call dev_put() on error in lowpan_newlink()Dan Carpenter2011-09-15
| | | | | | | We should release the dev_hold() on error before returning here. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
* 6LoWPAN: use the _safe version of list_for_eachDan Carpenter2011-09-15
| | | | | | | | When we kfree(entry) that causes a use-after-free bug so we have to use list_for_each_entry_safe() safe here. Signed-off-by: Dan Carpenter <error27@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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