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2016-09-22Merge branch 'master' of ↵David S. Miller7-15/+51
git://git.kernel.org/pub/scm/linux/kernel/git/klassert/ipsec Steffen Klassert says: ==================== pull request (net): ipsec 2016-09-21 1) Propagate errors on security context allocation. From Mathias Krause. 2) Fix inbound policy checks for inter address family tunnels. From Thomas Zeitlhofer. 3) Fix an old memory leak on aead algorithm usage. From Ilan Tayari. 4) A recent patch fixed a possible NULL pointer dereference but broke the vti6 input path. Fix from Nicolas Dichtel. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-22Merge tag 'linux-can-fixes-for-4.8-20160921' of ↵David S. Miller1-1/+10
git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can Marc Kleine-Budde says: ==================== pull-request: can 2016-09-21 this is another pull request of one patch for the upcoming linux-4.8 release. Marek Vasut fixes the CAN-FD bit rate switch in the ifi driver by configuring the transmitter delay. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-22MAINTAINERS: Update b44 maintainer.Michael Chan1-1/+1
Taking over as maintainer since Gary Zambrano is no longer working for Broadcom. Signed-off-by: Michael Chan <michael.chan@broadcom.com> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-22net: get rid of an signed integer overflow in ip_idents_reserve()Eric Dumazet1-2/+8
Jiri Pirko reported an UBSAN warning happening in ip_idents_reserve() [] UBSAN: Undefined behaviour in ./arch/x86/include/asm/atomic.h:156:11 [] signed integer overflow: [] -2117905507 + -695755206 cannot be represented in type 'int' Since we do not have uatomic_add_return() yet, use atomic_cmpxchg() so that the arithmetics can be done using unsigned int. Fixes: 04ca6973f7c1 ("ip: make IP identifiers less predictable") Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-22net/mlx4_core: Fix to clean devlink resourcesKamal Heib1-0/+3
This patch cleans devlink resources by calling devlink_port_unregister() to avoid the following issues: - Kernel panic when triggering reset flow. - Memory leak due to unfreed resources in mlx4_init_port_info(). Fixes: 09d4d087cd48 ("mlx4: Implement devlink interface") Signed-off-by: Kamal Heib <kamalh@mellanox.com> Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-22Merge tag 'wireless-drivers-for-davem-2016-09-20' of ↵David S. Miller1-10/+9
git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers Kalle Valo says: ==================== wireless-drivers fixes for 4.8 iwlwifi * fix to prevent firmware crash when sending off-channel frames ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-21net: can: ifi: Configure transmitter delayMarek Vasut1-1/+10
Configure the transmitter delay register at +0x1c to correctly handle the CAN FD bitrate switch (BRS). This moves the SSP (secondary sample point) to a proper offset, so that the TDC mechanism works and won't generate error frames on the CAN link. Signed-off-by: Marek Vasut <marex@denx.de> Cc: Marc Kleine-Budde <mkl@pengutronix.de> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Oliver Hartkopp <socketcan@hartkopp.net> Cc: Wolfgang Grandegger <wg@grandegger.com> Cc: linux-stable <stable@vger.kernel.org> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-09-21vti6: fix input pathNicolas Dichtel4-10/+16
Since commit 1625f4529957, vti6 is broken, all input packets are dropped (LINUX_MIB_XFRMINNOSTATES is incremented). XFRM_TUNNEL_SKB_CB(skb)->tunnel.ip6 is set by vti6_rcv() before calling xfrm6_rcv()/xfrm6_rcv_spi(), thus we cannot set to NULL that value in xfrm6_rcv_spi(). A new function xfrm6_rcv_tnl() that enables to pass a value to xfrm6_rcv_spi() is added, so that xfrm6_rcv() is not touched (this function is used in several handlers). CC: Alexey Kodanev <alexey.kodanev@oracle.com> Fixes: 1625f4529957 ("net/xfrm_input: fix possible NULL deref of tunnel.ip6->parms.i_key") Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2016-09-21ipmr, ip6mr: return lastuse relative to nowNikolay Aleksandrov2-4/+10
When I introduced the lastuse member I made a subtle error because it was returned as an absolute value but that is meaningless to user-space as it doesn't allow to see how old exactly an entry is. Let's make it similar to how the bridge returns such values and make it relative to "now" (jiffies). This allows us to show the actual age of the entries and is much more useful (e.g. user-space daemons can age out entries, iproute2 can display the lastuse properly). Fixes: 43b9e1274060 ("net: ipmr/ip6mr: add support for keeping an entry age") Reported-by: Satish Ashok <sashok@cumulusnetworks.com> Signed-off-by: Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-21Merge branch 'r8152-phy-fixes'David S. Miller1-135/+146
Hayes Wang says: ==================== r8152: correct the flow of PHY First, to enable the PHY as early as possible. Some settings may fail if the PHY is power down. Move the other PHY settings to hw_phy_cfg() to make sure the order is correct. Finally, disable ALDPS and EEE before updating the PHY for RTL8153. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-21r8152: disable ALDPS and EEE before setting PHYhayeswang1-2/+8
Disable ALDPS and EEE to avoid the possible failure when setting the PHY. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-21r8152: remove r8153_enable_eeehayeswang1-7/+3
Remove r8153_enable_eee(). Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-21r8152: move PHY settings to hw_phy_cfghayeswang1-6/+8
Move the PHY relative settings together to hw_phy_cfg(). Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-21r8152: move enabling PHYhayeswang1-18/+25
Move enabling PHY to init(), otherwise some other settings may fail. Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-21r8152: move some functionshayeswang1-112/+112
Move the following functions forward. r8152_mmd_indirect() r8152_mmd_read() r8152_mmd_write() r8152_eee_en() r8152b_enable_eee() r8153_eee_en() r8153_enable_eee() r8152b_enable_fc() r8153_aldps_en() Signed-off-by: Hayes Wang <hayeswang@realtek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-21cxgb4/cxgb4vf: Allocate more queues for 25G and 100G adapterHariprasad Shenai6-11/+45
We were missing check for 25G and 100G while checking port speed, which lead to less number of queues getting allocated for 25G & 100G adapters and leading to low throughput. Adding the missing check for both NIC and vNIC driver. Also fixes port advertisement for 25G and 100G in ethtool output. Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-21Merge tag 'linux-can-fixes-for-4.8-20160919' of ↵David S. Miller1-5/+8
git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can Marc Kleine-Budde says: ==================== pull-request: can 2016-09-19 this is a pull request of one patch for the upcoming linux-4.8 release. The patch by Fabio Estevam fixes the pm handling in the flexcan driver. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-20qed: Fix stack corruption on probeYuval Mintz1-2/+2
Commit fe56b9e6a8d95 ("qed: Add module with basic common support") has introduced a stack corruption during probe, where filling a local struct with data to be sent to management firmware is incorrectly filled; The data is written outside of the struct and corrupts the stack. Changes from v1: ---------------- - Correct the value written [Caught by David Laight] Fixes: fe56b9e6a8d95 ("qed: Add module with basic common support") Signed-off-by: Yuval Mintz <Yuval.Mintz@caviumnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-20MAINTAINERS: Add an entry for the core network DSA codeAndrew Lunn1-0/+9
The core distributed switch architecture code currently does not have a MAINTAINERS entry, which results in some contributions not landing in the right peoples inbox. Signed-off-by: Andrew Lunn <andrew@lunn.ch> Acked-by: Florian Fainelli <f.fainelli@gmail.com> Acked-by: Vivien Didelot <vivien.didelot@savoirfairelinux.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-20net: ipv6: fallback to full lookup if table lookup is unsuitableVincent Bernat1-1/+10
Commit 8c14586fc320 ("net: ipv6: Use passed in table for nexthop lookups") introduced a regression: insertion of an IPv6 route in a table not containing the appropriate connected route for the gateway but which contained a non-connected route (like a default gateway) fails while it was previously working: $ ip link add eth0 type dummy $ ip link set up dev eth0 $ ip addr add 2001:db8::1/64 dev eth0 $ ip route add ::/0 via 2001:db8::5 dev eth0 table 20 $ ip route add 2001:db8:cafe::1/128 via 2001:db8::6 dev eth0 table 20 RTNETLINK answers: No route to host $ ip -6 route show table 20 default via 2001:db8::5 dev eth0 metric 1024 pref medium After this patch, we get: $ ip route add 2001:db8:cafe::1/128 via 2001:db8::6 dev eth0 table 20 $ ip -6 route show table 20 2001:db8:cafe::1 via 2001:db8::6 dev eth0 metric 1024 pref medium default via 2001:db8::5 dev eth0 metric 1024 pref medium Fixes: 8c14586fc320 ("net: ipv6: Use passed in table for nexthop lookups") Signed-off-by: Vincent Bernat <vincent@bernat.im> Acked-by: David Ahern <dsa@cumulusnetworks.com> Tested-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-20Merge branch 'mlx5-fixes'David S. Miller3-8/+17
Or Gerlitz says: ==================== mlx5 fixes to 4.8-rc6 This series series has a fix from Roi to memory corruption bug in the bulk flow counters code and two late and hopefully last fixes from me to the new eswitch offloads code. Series done over net commit 37dd348 "bna: fix crash in bnad_get_strings()" ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-20net/mlx5: E-Switch, Handle mode change failuresOr Gerlitz1-6/+14
E-switch mode changes involve creating HW tables, potentially allocating netdevices, etc, and things can fail. Add an attempt to rollback to the existing mode when changing to the new mode fails. Only if rollback fails, getting proper SRIOV functionality requires module unload or sriov disablement/enablement. Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-20net/mlx5: E-Switch, Fix error flow in the SRIOV e-switch init codeOr Gerlitz1-0/+1
When enablement of the SRIOV e-switch in certain mode (switchdev or legacy) fails, we must set the mode to none. Otherwise, we'll run into double free based crashes when further attempting to deal with the e-switch (such as when disabling sriov or unloading the driver). Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-20net/mlx5: Fix flow counter bulk command out mailbox allocationRoi Dayan1-2/+2
The FW command output length should be only the length of struct mlx5_cmd_fc_bulk out field. Failing to do so will cause the memcpy call which is invoked later in the driver to write over wrong memory address and corrupt kernel memory which results in random crashes. This bug was found using the kernel address sanitizer (kasan). Fixes: a351a1b03bf1 ('net/mlx5: Introduce bulk reading of flow counters') Signed-off-by: Roi Dayan <roid@mellanox.com> Signed-off-by: Or Gerlitz <ogerlitz@mellanox.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-19can: flexcan: fix resume functionFabio Estevam1-5/+8
On a imx6ul-pico board the following error is seen during system suspend: dpm_run_callback(): platform_pm_resume+0x0/0x54 returns -110 PM: Device 2090000.flexcan failed to resume: error -110 The reason for this suspend error is because when the CAN interface is not active the clocks are disabled and then flexcan_chip_enable() will always fail due to a timeout error. In order to fix this issue, only call flexcan_chip_enable/disable() when the CAN interface is active. Based on a patch from Dong Aisheng in the NXP kernel. Signed-off-by: Fabio Estevam <fabio.estevam@nxp.com> Cc: linux-stable <stable@vger.kernel.org> Signed-off-by: Marc Kleine-Budde <mkl@pengutronix.de>
2016-09-19xfrm: Fix memory leak of aead algorithm nameIlan Tayari1-0/+1
commit 1a6509d99122 ("[IPSEC]: Add support for combined mode algorithms") introduced aead. The function attach_aead kmemdup()s the algorithm name during xfrm_state_construct(). However this memory is never freed. Implementation has since been slightly modified in commit ee5c23176fcc ("xfrm: Clone states properly on migration") without resolving this leak. This patch adds a kfree() call for the aead algorithm name. Fixes: 1a6509d99122 ("[IPSEC]: Add support for combined mode algorithms") Signed-off-by: Ilan Tayari <ilant@mellanox.com> Acked-by: Rami Rosen <roszenrami@gmail.com> Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com>
2016-09-19Merge tag 'mac80211-for-davem-2016-09-16' of ↵David S. Miller3-3/+16
git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 Johannes Berg says: ==================== Two more fixes: * reject aggregation sessions for TSID/TID 8-16 that we can never use anyway and which could confuse drivers * check return value of skb_linearize() ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-19stmmac: fix PWRDWN into the PMT register for global unicast.Giuseppe CAVALLARO2-2/+2
MAC devices use the RWKPKTEN and MGKPKTEN bits of the PMT Control/Status register to generate power management events. So this patch is to properly set the RWKPKTEN [BIT(2)] inside the PMT register (needed in case of global unicast). Reported-by: Aditi SHARMA <aditi-hed.sharma@st.com> Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Cc: Alexandre TORGUE <alexandre.torgue@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-17bna: fix crash in bnad_get_strings()Ivan Vecera1-27/+23
Commit 6e7333d "net: add rx_nohandler stat counter" added the new entry rx_nohandler into struct rtnl_link_stats64. Unfortunately the bna driver foolishly depends on the structure. It uses part of it for ethtool statistics and it's not bad but the driver assumes its size is constant as it defines string for each existing entry. The problem occurs when the structure is extended because you need to modify bna driver as well. If not any attempt to retrieve ethtool statistics results in crash in bnad_get_strings(). The patch changes BNAD_ETHTOOL_STATS_NUM so it counts real number of strings in the array and also removes rtnl_link_stats64 entries that are not used in output and are always zero. Fixes: 6e7333d "net: add rx_nohandler stat counter" Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-17bna: add missing per queue ethtool statIvan Vecera1-1/+6
Commit ba5ca784 "bna: check for dma mapping errors" added besides other things a statistic that counts number of DMA buffer mapping failures per each Rx queue. This counter is not included in ethtool stats output. Fixes: ba5ca784 "bna: check for dma mapping errors" Signed-off-by: Ivan Vecera <ivecera@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-17Merge tag 'iwlwifi-for-kalle-2016-09-15' of ↵Kalle Valo1-10/+9
git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes * fix to prevent firmware crash when sending off-channel frames
2016-09-17sctp: fix SSN comparisionMarcelo Ricardo Leitner1-1/+1
This function actually operates on u32 yet its paramteres were declared as u16, causing integer truncation upon calling. Note in patch context that ADDIP_SERIAL_SIGN_BIT is already 32 bits. Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Acked-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-17irda: Free skb on irda_accept error path.phil.turnbull@oracle.com1-3/+2
skb is not freed if newsk is NULL. Rework the error path so free_skb is unconditionally called on function exit. Fixes: c3ea9fa27413 ("[IrDA] af_irda: IRDA_ASSERT cleanups") Signed-off-by: Phil Turnbull <phil.turnbull@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-17net: avoid sk_forward_alloc overflowsEric Dumazet1-0/+10
A malicious TCP receiver, sending SACK, can force the sender to split skbs in write queue and increase its memory usage. Then, when socket is closed and its write queue purged, we might overflow sk_forward_alloc (It becomes negative) sk_mem_reclaim() does nothing in this case, and more than 2GB are leaked from TCP perspective (tcp_memory_allocated is not changed) Then warnings trigger from inet_sock_destruct() and sk_stream_kill_queues() seeing a not zero sk_forward_alloc All TCP stack can be stuck because TCP is under memory pressure. A simple fix is to preemptively reclaim from sk_mem_uncharge(). This makes sure a socket wont have more than 2 MB forward allocated, after burst and idle period. Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-17tcp: fix overflow in __tcp_retransmit_skb()Eric Dumazet1-1/+2
If a TCP socket gets a large write queue, an overflow can happen in a test in __tcp_retransmit_skb() preventing all retransmits. The flow then stalls and resets after timeouts. Tested: sysctl -w net.core.wmem_max=1000000000 netperf -H dest -- -s 1000000000 Signed-off-by: Eric Dumazet <edumazet@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-17xen-netback: fix error handling on netback_probe()Filipe Manco1-16/+30
In case of error during netback_probe() (e.g. an entry missing on the xenstore) netback_remove() is called on the new device, which will set the device backend state to XenbusStateClosed by calling set_backend_state(). However, the backend state wasn't initialized by netback_probe() at this point, which will cause and invalid transaction and set_backend_state() to BUG(). Initialize the backend state at the beginning of netback_probe() to XenbusStateInitialising, and create two new valid state transitions on set_backend_state(), from XenbusStateInitialising to XenbusStateClosed, and from XenbusStateInitialising to XenbusStateInitWait. Signed-off-by: Filipe Manco <filipe.manco@neclab.eu> Acked-by: Wei Liu <wei.liu2@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-16Merge branch 'qeth-fixes'David S. Miller5-13/+60
Ursula Braun says: ==================== 390: qeth patches here are several fixes for the s390 qeth driver, built for net. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-16s390/qeth: fix setting VIPA addressThomas Richter1-2/+2
commit 5f78e29ceebf ("qeth: optimize IP handling in rx_mode callback") restructured the internal address handling. This work broke setting a virtual IP address. The command echo 10.1.1.1 > /sys/bus/ccwgroup/devices/<device>/vipa/add4 fails with file exist error even if the IP address has not been set before. It turned out that the search result for the IP address search is handled incorrectly in the VIPA case. This patch fixes the setting of an virtual IP address. Signed-off-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-16qeth: do not turn on SG per defaultUrsula Braun2-3/+0
According to recent performance measurements, turning on net_device feature NETIF_F_SG only behaves well, but turning on feature NETIF_F_GSO shows bad results. Since the kernel activates NETIF_F_GSO automatically as soon as the driver configures feature NETIF_F_SG, qeth should not activate feature NETIF_F_SG per default, until the qeth problems with NETIF_F_GSO are solved. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-16qeth: do not limit number of gso segmentsUrsula Braun2-2/+0
To reduce the need of skb_linearize() calls, gso_max_segs of qeth net_devices had been limited according to the maximum number of qdio SBAL elements. But a gso segment cannot be larger than the mtu-size, while an SBAL element can contain up to 4096 bytes. The gso_max_segs limitation limits the maximum packet size given to the qeth driver. Performance measurements with tso-enabled qeth network interfaces and mtu-size 1500 showed, that the disadvantage of smaller packets is much more severe than the advantage of fewer skb_linearize() calls. This patch gets rid of the gso_max_segs limitations in the qeth driver. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-16qeth: check not more than 16 SBALEs on the completion queueUrsula Braun1-1/+2
af_iucv socket programs with HiperSockets as transport make use of the qdio completion queue. Running such an af_iucv socket program may result in a crash: [90341.677709] Oops: 0038 ilc:2 [#1] SMP [90341.677743] CPU: 1 PID: 0 Comm: swapper/1 Not tainted 4.6.0-20160720.0.0e86ec7.5e62689.fc23.s390xperformance #1 [90341.677744] Hardware name: IBM 2964 N96 703 (LPAR) [90341.677746] task: 00000000edb79f00 ti: 00000000edb84000 task.ti: 00000000edb84000 [90341.677748] Krnl PSW : 0704d00180000000 000000000075bc50 (qeth_qdio_input_handler+0x258/0x4e0) [90341.677756] R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:1 PM:0 RI:0 EA:3 Krnl GPRS: 000003d10391e900 0000000000000001 00000000e61e6000 0000000000000005 [90341.677759] 0000000000a9e6ec 5420040001a77400 0000000000000001 000000000000006f [90341.677761] 00000000e0d83f00 0000000000000003 0000000000000010 5420040001a77400 [90341.677784] 000000007ba8b000 0000000000943fd0 000000000075bc4e 00000000ed3b3c10 [90341.677793] Krnl Code: 000000000075bc42: e320cc180004 lg %r2,3096(%r12) 000000000075bc48: c0e5ffffc5cc brasl %r14,7547e0 #000000000075bc4e: 1816 lr %r1,%r6 >000000000075bc50: ba19b008 cs %r1,%r9,8(%r11) 000000000075bc54: ec180041017e cij %r1,1,8,75bcd6 000000000075bc5a: 5810b008 l %r1,8(%r11) 000000000075bc5e: ec16005c027e cij %r1,2,6,75bd16 000000000075bc64: 5090b008 st %r9,8(%r11) [90341.677807] Call Trace: [90341.677810] ([<000000000075bbc0>] qeth_qdio_input_handler+0x1c8/0x4e0) [90341.677812] ([<000000000070efbc>] qdio_kick_handler+0x124/0x2a8) [90341.677814] ([<0000000000713570>] __tiqdio_inbound_processing+0xf0/0xcd0) [90341.677818] ([<0000000000143312>] tasklet_action+0x92/0x120) [90341.677823] ([<00000000008b6e72>] __do_softirq+0x112/0x308) [90341.677824] ([<0000000000142bce>] irq_exit+0xd6/0xf8) [90341.677829] ([<000000000010b1d2>] do_IRQ+0x6a/0x88) [90341.677830] ([<00000000008b6322>] io_int_handler+0x112/0x220) [90341.677832] ([<0000000000102b2e>] enabled_wait+0x56/0xa8) [90341.677833] ([<0000000000000000>] (null)) [90341.677835] ([<0000000000102e32>] arch_cpu_idle+0x32/0x48) [90341.677838] ([<000000000018a126>] cpu_startup_entry+0x266/0x2b0) [90341.677841] ([<0000000000113b38>] smp_start_secondary+0x100/0x110) [90341.677843] ([<00000000008b68a6>] restart_int_handler+0x62/0x78) [90341.677845] ([<00000000008b6588>] psw_idle+0x3c/0x40) [90341.677846] Last Breaking-Event-Address: [90341.677848] [<00000000007547ec>] qeth_dbf_longtext+0xc/0xc0 [90341.677849] [90341.677850] Kernel panic - not syncing: Fatal exception in interrupt qeth_qdio_cq_handler() analyzes SBALs on this completion queue, but does not observe the limit of 16 SBAL elements per SBAL. This patch adds the additional check to process not more than 16 SBAL elements. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-16s390/qeth: allow hsuid configuration in DOWN stateUrsula Braun1-5/+17
The qeth IP address mapping logic has been reworked recently. It causes now problems to specify qeth sysfs attribute "hsuid" in DOWN state, which is allowed. Postpone registering or deregistering of IP-addresses in this case. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Reviewed-by: Thomas Richter <tmricht@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-16s390/qeth: use ip_lock for hsuid configurationUrsula Braun1-0/+5
qeth_l3_dev_hsuid_store() changes the ip hash table, which requires the ip_lock. Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-16qeth: restore device features after recoveryHans Wippel4-0/+34
After device recovery, only a basic set of network device features is enabled on the device. If features like checksum offloading or TSO were enabled by the user before the recovery, this results in a mismatch between the network device features, that the kernel assumes to be enabled on the device, and the features actually enabled on the device. This patch tries to restore previously set features, that require changes on the device, after the recovery of a device. In case of an error, the network device's features are changed to contain only the features that are actually turned on. Signed-off-by: Hans Wippel <hwippel@linux.vnet.ibm.com> Signed-off-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-16nfp: fix error return code in nfp_net_netdev_open()Wei Yongjun1-2/+6
Fix to return a negative error code from the error handling case instead of 0, as done elsewhere in this function. Fixes: 73725d9dfd99 ("nfp: allocate ring SW structs dynamically") Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-16net: VRF: Pass original iif to ip_route_input()Mark Tomlinson1-2/+3
The function ip_rcv_finish() calls l3mdev_ip_rcv(). On any VRF except the global VRF, this replaces skb->dev with the VRF master interface. When calling ip_route_input_noref() from here, the checks for forwarding look at this master device instead of the initial ingress interface. This will allow packets to be routed which normally would be dropped. For example, an interface that is not assigned an IP address should drop packets, but because the checking is against the master device, the packet will be forwarded. The fix here is to still call l3mdev_ip_rcv(), but remember the initial net_device. This is passed to the other functions within ip_rcv_finish, so they still see the original interface. Signed-off-by: Mark Tomlinson <mark.tomlinson@alliedtelesis.co.nz> Acked-by: David Ahern <dsa@cumulusnetworks.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-16net/ibm/emac: add mutex to 'set multicast list'Ivan Mikhaylov1-0/+3
for preventing race conditions within ioctl calls. Signed-off-by: Ivan Mikhaylov <ivan@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-16net/ibm/emac: add set mac addr callbackIvan Mikhaylov1-2/+29
add realization for mac address set and remove dummy callback. Signed-off-by: Ivan Mikhaylov <ivan@de.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-16net: ethernet: mediatek: fix module loading automatically based on ↵Sean Wang1-0/+1
MODULE_DEVICE_TABLE The device table is required to load modules based on modaliases. After adding MODULE_DEVICE_TABLE, below entries for example will be added to modules.alias: alias of:N*T*Cmediatek,mt7623-ethC* mtk_eth_soc Signed-off-by: Sean Wang <sean.wang@mediatek.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2016-09-16Merge tag 'batadv-net-for-davem-20160914' of git://git.open-mesh.org/linux-mergeDavid S. Miller2-2/+28
Simon Wunderlich says: ==================== Here are two batman-adv bugfix patches: - Fix reference counting for last_bonding_candidate, by Sven Eckelmann - Fix head room reservation for ELP packets, by Linus Luessing ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
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