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2011-10-19NFS: Get rid of nfs_restart_rpc()Trond Myklebust
It can trivially be replaced with rpc_restart_call_prepare. Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-10-19xen/pciback: Do not dereference psdev during printk when it is NULL.Konrad Rzeszutek Wilk
.. instead use BUG_ON() as all the callers of the kill_domain_by_device check for psdev. Suggested-by: Jan Beulich <JBeulich@suse.com> Signed-off-by: Konrad Rzeszutek Wilk <konrad.wilk@oracle.com>
2011-10-19tcp: use TCP_INIT_CWND in tcp_fixup_sndbuf()Eric Dumazet
Initial cwnd being 10 (TCP_INIT_CWND) instead of 3, change tcp_fixup_sndbuf() to get more than 16384 bytes (sysctl_tcp_wmem[1]) in initial sk_sndbuf Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19NFS: Get rid of the unused nfs_write_data->flags fieldTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-10-19NFS: Get rid of the unused nfs_read_data->flags fieldTrond Myklebust
Signed-off-by: Trond Myklebust <Trond.Myklebust@netapp.com>
2011-10-19usb: renesas_usbhs: fixup inconsistent return from usbhs_pkt_push()Kuninori Morimoto
usbhs_pkt_push() had inconsistent return under spin lock. This patch fix it up. Special thanks to Dan Cc: Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-10-19usb/isp1760: Allow to optionally trigger low-level chip reset via GPIOLIB.Joachim Foerster
Properly triggering the reset wire is necessary with the ISP1761 used on Terasic DE4 Altera-FPGA boards using a NIOS2 processor, for example. This is an optional implementation for the OF binding only. The other bindings just pass an invalid GPIO to the isp1760_register() routine. Example, usage in DTS: gpios = <&pio_isp1761rst_0 0 1>; to point to a GPIO controller from within the ISP1761 node: GPIO 0, active low. Signed-off-by: Joachim Foerster <joachim.foerster@missinglinkelectronics.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
2011-10-19ehea: Change maintainer to meThadeu Lima de Souza Cascardo
Breno Leitao has passed the maintainership to me. Signed-off-by: Thadeu Lima de Souza Cascardo <cascardo@linux.vnet.ibm.com> Cc: Breno Leitao <leitao@linux.vnet.ibm.com> Acked-by: Breno Leitão <leitao@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19phylib: Modify Vitesse RGMII skew settingsAndy Fleming
The Vitesse driver was using the RGMII_ID interface type to determine if skew was necessary. However, we want to move away from using that interface type, as it's really a property of the board's PHY connection. However, some boards depend on it, so we want to support it, while allowing new boards to use the more flexible "fixups" approach. To do this, we extract the code which adds skew into its own function, and call that function when RGMII_ID has been selected. Another side-effect of this change is that if your PHY has skew set already, it doesn't clear it. This way, the fixup code can modify the register without config_init then clearing it. Signed-off-by: Andy Fleming <afleming@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19net: Allow skb_recycle_check to be done in stagesAndy Fleming
skb_recycle_check resets the skb if it's eligible for recycling. However, there are times when a driver might want to optionally manipulate the skb data with the skb before resetting the skb, but after it has determined eligibility. We do this by splitting the eligibility check from the skb reset, creating two inline functions to accomplish that task. Signed-off-by: Andy Fleming <afleming@freescale.com> Acked-by: David Daney <david.daney@cavium.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19nfsd4: implement new 4.1 open reclaim typesJ. Bruce Fields
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-10-19nfsd4: remove unneeded CLAIM_DELEGATE_CUR workaroundJ. Bruce Fields
0c12eaffdf09466f36a9ffe970dda8f4aeb6efc0 "nfsd: don't break lease on CLAIM_DELEGATE_CUR" was a temporary workaround for a problem fixed properly in the vfs layer by 778fc546f749c588aa2f6cd50215d2715c374252 "locks: fix tracking of inprogress lease breaks", so we can revert that change (but keeping some minor cleanup from that commit). Signed-off-by: J. Bruce Fields <bfields@redhat.com>
2011-10-19TOMOYO: Fix unused kernel config option.Tetsuo Handa
CONFIG_SECURITY_TOMOYO_MAX_{ACCEPT_ENTRY,AUDIT_LOG} introduced by commit 0e4ae0e0 "TOMOYO: Make several options configurable." were by error not used. Reported-by: Paul Bolle <pebolle@tiscali.nl> Signed-off-by: Tetsuo Handa <penguin-kernel@I-love.SAKURA.ne.jp> Signed-off-by: James Morris <jmorris@namei.org>
2011-10-19Merge branch 'v4l_for_linus' of git://linuxtv.org/mchehab/for_linusLinus Torvalds
* 'v4l_for_linus' of git://linuxtv.org/mchehab/for_linus: [media] videodev: fix a NULL pointer dereference in v4l2_device_release()
2011-10-19Merge branch 'drm-fixes' of git://people.freedesktop.org/~airlied/linuxLinus Torvalds
* 'drm-fixes' of git://people.freedesktop.org/~airlied/linux: drm/radeon/kms/atom: fix handling of FB scratch indices drm/radeon/kms/DCE4.1: fix Select_CrtcSource EncodeMode setting for DP bridges (v2) drm/radeon/kms/DCE4.1: ss is not supported on the internal pplls drm/radeon/kms/DCE4.1: fix dig encoder to transmitter mapping ttm: Fix error-path using an uninitialized value
2011-10-19[media] videodev: fix a NULL pointer dereference in v4l2_device_release()Antonio Ospite
The change in 8280b66 does not cover the case when v4l2_dev is already NULL, fix that. With a Kinect sensor, seen as an USB camera using GSPCA in this context, a NULL pointer dereference BUG can be triggered by just unplugging the device after the camera driver has been loaded. Signed-off-by: Antonio Ospite <ospite@studenti.unina.it> Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2011-10-19intel-iommu: fix superpage support in pfn_to_dma_pte()Allen Kay
If target_level == 0, current code breaks out of the while-loop if SUPERPAGE bit is set. We should also break out if PTE is not present. If we don't do this, KVM calls to iommu_iova_to_phys() will cause pfn_to_dma_pte() to create mapping for 4KiB pages. Signed-off-by: Allen Kay <allen.m.kay@intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2011-10-19intel-iommu: set iommu_superpage on VM domains to lowest common denominatorAllen Kay
set dmar->iommu_superpage field to the smallest common denominator of super page sizes supported by all active VT-d engines. Initialize this field in intel_iommu_domain_init() API so intel_iommu_map() API will be able to use iommu_superpage field to determine the appropriate super page size to use. Signed-off-by: Allen Kay <allen.m.kay@intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2011-10-19intel-iommu: fix return value of iommu_unmap() APIAllen Kay
iommu_unmap() API expects IOMMU drivers to return the actual page order of the address being unmapped. Previous code was just returning page order passed in from the caller. This patch fixes this problem. Signed-off-by: Allen Kay <allen.m.kay@intel.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2011-10-19MAINTAINERS: Update VT-d entry for drivers/pci -> drivers/iommu moveRoland Dreier
Commit 166e9278a3f9 ("x86/ia64: intel-iommu: move to drivers/iommu/") moved the VT-d driver to drivers/iommu, but left the "F:" line in MAINTAINERS pointing to drivers/pci, which breaks scripts/get_maintainer.pl. Signed-off-by: Roland Dreier <roland@purestorage.com> Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
2011-10-19drm/radeon/kms/atom: fix handling of FB scratch indicesAlex Deucher
FB scratch indices are dword indices, but we were treating them as byte indices. As such, we were getting the wrong FB scratch data for non-0 indices. Fix the indices and guard the indexing against indices larger than the scratch allocation. Fixes memory corruption on some boards if data was written past the end of the FB scratch array. Signed-off-by: Alex Deucher <alexander.deucher@amd.com> Reported-by: Dave Airlie <airlied@redhat.com> Tested-by: Dave Airlie <airlied@redhat.com> Cc: stable@kernel.org Signed-off-by: Dave Airlie <airlied@redhat.com>
2011-10-19pptp: pptp_rcv_core() misses pskb_may_pull() callEric Dumazet
e1000e uses paged frags, so any layer incorrectly pulling bytes from skb can trigger a BUG in skb_pull() [951.142737] [<ffffffff813d2f36>] skb_pull+0x15/0x17 [951.142737] [<ffffffffa0286824>] pptp_rcv_core+0x126/0x19a [pptp] [951.152725] [<ffffffff813d17c4>] sk_receive_skb+0x69/0x105 [951.163558] [<ffffffffa0286993>] pptp_rcv+0xc8/0xdc [pptp] [951.165092] [<ffffffffa02800a3>] gre_rcv+0x62/0x75 [gre] [951.165092] [<ffffffff81410784>] ip_local_deliver_finish+0x150/0x1c1 [951.177599] [<ffffffff81410634>] ? ip_local_deliver_finish+0x0/0x1c1 [951.177599] [<ffffffff81410846>] NF_HOOK.clone.7+0x51/0x58 [951.177599] [<ffffffff81410996>] ip_local_deliver+0x51/0x55 [951.177599] [<ffffffff814105b9>] ip_rcv_finish+0x31a/0x33e [951.177599] [<ffffffff8141029f>] ? ip_rcv_finish+0x0/0x33e [951.204898] [<ffffffff81410846>] NF_HOOK.clone.7+0x51/0x58 [951.214651] [<ffffffff81410bb5>] ip_rcv+0x21b/0x246 pptp_rcv_core() is a nice example of a function assuming everything it needs is available in skb head. Reported-by: Bradley Peterson <despite@gmail.com> Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19mlx4_en: Updating driver versionYevgeny Petrilin
Driver version updated to 1.5.4.2 Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19mlx4_en: Adding rxhash supportYevgeny Petrilin
Moving to Toeplitz function in RSS calculation. Reporting rxhash in skb. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19mlx4_en: Recording rx queue for gro packetsYevgeny Petrilin
Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19mlx4_en: Checksum counters per ringYevgeny Petrilin
Not updating common counters from data path. The checksum counters are per ring, summarizing them when collecting statistics. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19mlx4_en: Controlling FCS header removalYevgeny Petrilin
Canceling FCS removal where FW allows for better alignment of incoming data. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19mlx4: Fix vlan table overflowYevgeny Petrilin
Prevent overflow when trying to register more Vlans then the Vlan table in HW is configured to. Need to take into acount that the first 2 entries are reserved. Signed-off-by: Yevgeny Petrilin <yevgenyp@mellanox.co.il> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19caif-hsi: Added recovery check of CA wake status.Daniel Martensson
Added recovery check of CA wake status in case of wake up timeout. Added check of CA wake status in case of wake down timeout. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19caif-hsi: Added sanity check for length of CAIF framesDaniel Martensson
Added sanity check for length of CAIF frames, and tear down of CAIF link-layer device upon protocol error. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19caif-hsi: Make inactivity timeout configurable.Dmitry Tarnyagin
CAIF HSI uses a timer for inactivity. Upon timeout HSI-wake signaling is initiated to allow power-down of the HSI block. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19caif-hsi: HSI-Platform device register and unregisters itselfDaniel Martensson
Platform device is no longer removed from caif_hsi at shutdown. The HSI-platform device must do it's own registration and unregistration. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19caif-hsi: Making read and writes asynchronous.Daniel Martensson
Some platforms do not allow to put HSI block into low-power mode when FIFO is not empty. The patch flushes (by reading) FIFO at wake down sequence. Asynchronous read and write is implemented for that. As a side effect this will also greatly improve performance. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19caif-hsi: Fix for wakeup condition problemDmitry Tarnyagin
Under stressed conditions a race could happen when del_timer_sync() was called from softirq context at the same time when mod_timer_pending() for the same timer was called from the workqueue. This leaded to a state mismatch in the CAIF HSI driver and following unexpected link wakeup procedure. The fix puts del_timer_sync() and mod_timer_pending() calls under a spin lock to protect against the race condition. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19caif-hsi: Fixing a race condition in the caif_hsi codeDmitry Tarnyagin
cfhsi->tx_state was not protected by a spin lock. TX soft-irq could interrupt cfhsi_tx_done_work work leading to inconsistent state of the driver. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19caif-hsi: HSI Fix uninitialized data in HSI headersjur.brandeland@stericsson.com
CAIF HSI header may be uninitialized and cause last message to be repeated if transmit size is ~86 bytes long. Signed-off-by: Sjur Brændeland <sjur.brandeland@stericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19tproxy: copy transparent flag when creating a time waitKOVACS Krisztian
The transparent socket option setting was not copied to the time wait socket when an inet socket was being replaced by a time wait socket. This broke the --transparent option of the socket match and may have caused that FIN packets belonging to sockets in FIN_WAIT2 or TIME_WAIT state were being dropped by the packet filter. Signed-off-by: KOVACS Krisztian <hidden@balabit.hu> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19net: add skb frag size accessorsEric Dumazet
To ease skb->truesize sanitization, its better to be able to localize all references to skb frags size. Define accessors : skb_frag_size() to fetch frag size, and skb_frag_size_{set|add|sub}() to manipulate it. Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19pptp: fix skb leak in pptp_xmit()Eric Dumazet
In case we cant transmit skb, we must free it Signed-off-by: Eric Dumazet <eric.dumazet@gmail.com> CC: Dmitry Kozlov <xeb@mail.ru> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19bonding: use local function pointer of bond->recv_probe in bond_handle_frameMitsuo Hayasaka
The bond->recv_probe is called in bond_handle_frame() when a packet is received, but bond_close() sets it to NULL. So, a panic occurs when both functions work in parallel. Why this happen: After null pointer check of bond->recv_probe, an sk_buff is duplicated and bond->recv_probe is called in bond_handle_frame. So, a panic occurs when bond_close() is called between the check and call of bond->recv_probe. Patch: This patch uses a local function pointer of bond->recv_probe in bond_handle_frame(). So, it can avoid the null pointer dereference. Signed-off-by: Mitsuo Hayasaka <mitsuo.hayasaka.hu@hitachi.com> Cc: Jay Vosburgh <fubar@us.ibm.com> Cc: Andy Gospodarek <andy@greyhouse.net> Cc: Eric Dumazet <eric.dumazet@gmail.com> Cc: WANG Cong <xiyou.wangcong@gmail.com> Acked-by: Eric Dumazet <eric.dumazet@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-19smsc911x: Add support for SMSC LAN89218Phil Edworthy
LAN89218 is register compatible with LAN911x. Signed-off-by: Phil Edworthy <phil.edworthy@renesas.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-18tg3: negate USE_PHYLIB flag checkJiri Pirko
USE_PHYLIB flag in tg3_remove_one() is being checked incorrectly. This results tg3_phy_fini->phy_disconnect is never called and when tg3 module is removed. In my case this resulted in panics in phy_state_machine calling function phydev->adjust_link. So correct this check. Signed-off-by: Jiri Pirko <jpirko@redhat.com> Acked-by: Matt Carlson <mcarlson@broadcom.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-18netconsole: enable netconsole can make net_device refcnt incorrentGao feng
There is no check if netconsole is enabled current. so when exec echo 1 > enabled; the reference of net_device will increment always. Signed-off-by: Gao feng <gaofeng@cn.fujitsu.com> Acked-by: Flavio Leitner <fbl@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-18xfrm6: Don't call icmpv6_send on local errorSteffen Klassert
Calling icmpv6_send() on a local message size error leads to an incorrect update of the path mtu. So use xfrm6_local_rxpmtu() to notify about the pmtu if the IPV6_DONTFRAG socket option is set on an udp or raw socket, according RFC 3542 and use ipv6_local_error() otherwise. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-18ipv6: Fix IPsec slowpath fragmentation problemSteffen Klassert
ip6_append_data() builds packets based on the mtu from dst_mtu(rt->dst.path). On IPsec the effective mtu is lower because we need to add the protocol headers and trailers later when we do the IPsec transformations. So after the IPsec transformations the packet might be too big, which leads to a slowpath fragmentation then. This patch fixes this by building the packets based on the lower IPsec mtu from dst_mtu(&rt->dst) and adapts the exthdr handling to this. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-18ipv6: Remove superfluous NULL pointer check in ipv6_local_rxpmtuSteffen Klassert
The pointer to mtu_info is taken from the common buffer of the skb, thus it can't be a NULL pointer. This patch removes this check on mtu_info. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-18xfrm: Simplify the replay check and advance functionsSteffen Klassert
The replay check and replay advance functions had some code duplications. This patch removes the duplications. Signed-off-by: Steffen Klassert <steffen.klassert@secunet.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-18net/phy: extra delay only for RGMII interfaces for IC+ IP 1001Giuseppe CAVALLARO
The extra delay of 2ns to adjust RX clock phase is actually needed in RGMII mode. Tested on the HDK7108 (STx7108c2). Signed-off-by: Giuseppe Cavallaro <peppe.cavallaro@st.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-18net: allow vlan traffic to be received under bondJohn Fastabend
The following configuration used to work as I expected. At least we could use the fcoe interfaces to do MPIO and the bond0 iface to do load balancing or failover. ---eth2.228-fcoe | eth2 -----| | |---- bond0 | eth3 -----| | ---eth3.228-fcoe This worked because of a change we added to allow inactive slaves to rx 'exact' matches. This functionality was kept intact with the rx_handler mechanism. However now the vlan interface attached to the active slave never receives traffic because the bonding rx_handler updates the skb->dev and goto's another_round. Previously, the vlan_do_receive() logic was called before the bonding rx_handler. Now by the time vlan_do_receive calls vlan_find_dev() the skb->dev is set to bond0 and it is clear no vlan is attached to this iface. The vlan lookup fails. This patch moves the VLAN check above the rx_handler. A VLAN tagged frame is now routed to the eth2.228-fcoe iface in the above schematic. Untagged frames continue to the bond0 as normal. This case also remains intact, eth2 --> bond0 --> vlan.228 Here the skb is VLAN tagged but the vlan lookup fails on eth2 causing the bonding rx_handler to be called. On the second pass the vlan lookup is on the bond0 iface and completes as expected. Putting a VLAN.228 on both the bond0 and eth2 device will result in eth2.228 receiving the skb. I don't think this is completely unexpected and was the result prior to the rx_handler result. Note, the same setup is also used for other storage traffic that MPIO is used with eg. iSCSI and similar setups can be contrived without storage protocols. Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Acked-by: Jesse Gross <jesse@nicira.com> Reviewed-by: Jiri Pirko <jpirko@redhat.com> Tested-by: Hans Schillstrom <hams.schillstrom@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2011-10-18cs89x0: Move the driver into the Cirrus dirJeff Kirsher
The cs89x0 driver was initial placed in the apple/ when it should have been placed in the cirrus/. This resolves the issue by moving the dirver and fixing up the respective Kconfig(s) and Makefile(s). Thanks to Sascha for reporting the issue. -v2 Fix a config error that was introduced with v1 by removing the dependency on MACE for NET_VENDOR_APPLE. CC: Russell Nelson <nelson@crynwr.com> CC: Andrew Morton <akpm@linux-foundation.org> Reported-by: Sascha Hauer <s.hauer@pengutronix.de> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
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