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2017-06-25time: add get_timespec64 and put_timespec64Deepa Dinamani
Add helper functions to convert between struct timespec64 and struct timespec at userspace boundaries. This is a preparatory patch to use timespec64 as the basic type internally in the kernel as timespec is not y2038 safe on 32 bit systems. The patch helps the cause by containing all data conversions at the userspace boundaries within these functions. Suggested-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Deepa Dinamani <deepa.kernel@gmail.com> Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2017-06-26m68k: defconfig: Cleanup from old Kconfig optionsKrzysztof Kozlowski
Remove old, dead Kconfig option INET_LRO. It is gone since commit 7bbf3cae65b6 ("ipv4: Remove inet_lro library"). Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org> Signed-off-by: Greg Ungerer <gerg@linux-m68k.org>
2017-06-25Linux 4.12-rc7Linus Torvalds
2017-06-26MAINTAINERS: Add Qualcomm pinctrl drivers sectionBjorn Andersson
Document the maintainership of the Qualcomm pinctrl drivers to improve the hitrate. Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org> Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
2017-06-25rpmsg: virtio_rpmsg_bus: cleanup multiple assignment to opsHenri Roosen
Trivial cleanup: the .ops pointer is assigned twice. This patch removes the first assignment. Acked-by: Suman Anna <s-anna@ti.com> Signed-off-by: Henri Roosen <henri.roosen@ginzinger.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2017-06-25rpmsg: virtio_rpmsg_bus: fix nameservice addressHenri Roosen
Commit 2a48d7322dc8 ("rpmsg: rpmsg_send() operations takes rpmsg_endpoint") only changed the nameservice address for virtio_rpmsg_announce_create() but did not do the same change for virtio_rpmsg_announce_destroy(). Signed-off-by: Henri Roosen <henri.roosen@ginzinger.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2017-06-25rpmsg: cleanup incorrect function in dev_err messageHenri Roosen
Trivial cleanup for incorrect function in dev_err message Signed-off-by: Henri Roosen <henri.roosen@ginzinger.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2017-06-25rpmsg: virtio_rpmsg_bus: fix announce for devices without endpointHenri Roosen
A device might not have an endpoint assigned. This patch checks if rpdev->ept has a value before dereferencing or using it. Signed-off-by: Henri Roosen <henri.roosen@ginzinger.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2017-06-25remoteproc/davinci: fix unbalanced reset between start and stop opsSuman Anna
The davinci remoteproc driver is currently de-asserting the reset in its rproc .start() ops, but is not asserting the reset in its .stop() ops. This leaves the remote processor to not boot properly when using the sysfs 'state' variable between multiple start and stop operations. On the other hand, a reset is being asserted unconditionally in the driver remove function to alleviate some of these issues. Move this reset assertion logic into the .stop() ops implementation to fix the sysfs state-machine and the unbalanced reset. The logic from remove is still effective since .stop() ops will be invoked during the remove due to the enabled 'auto-boot' support. The probe already has support for asserting the reset in case the DSP is not in reset for some reason. Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2017-06-25remoteproc/davinci: simplify the reset functionSuman Anna
The reset_assert() function is used to make sure the DSP remote processor is in a reset state regardless of its previous state. The driver relies on davinci_clk_reset_{assert,deassert}() functions for reset management which take in a clock parameter. The assert_reset() performs a clk_get()/clk_put() cycle to acquire the clock handle to use with this function. This is totally unnecessary and the code can be simplified to use the clock acquired during probe and directly use the reset functions, so simplify this logic. Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2017-06-25remoteproc/davinci: Update Kconfig to depend on DMA_CMASuman Anna
The davinci remoteproc driver requires a CMA pool for allocating memory for virtio vrings/buffers and other sections of the firmware image. The allocations are done using the DMA API. The CMA option is currently selected automatically on systems with MMU when davinci remoteproc is enabled, switch this to a saner depends on dependency convention. The dependency is also updated to use the DMA_CMA kconfig symbol that is used for CMA allocations using the DMA API, the CMA dependency is inherited implicitly. Cc: Arnd Bergmann <arnd@arndb.de> Signed-off-by: Suman Anna <s-anna@ti.com> Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
2017-06-25Merge branch 'sparc64-add-MDESC-and-VIO-support-for-VCC'David S. Miller
Jag Raman says: ==================== sparc64: Add MDESC & VIO support for VCC This series of patches is part of an effort to add VCC (Virtual Console Concentrator) support to Linux. VCC enables the virtualization of serial console on SPARC processors. VCC provides access to the guest domain's serial console. VCC depends on some core functionalities in the linux kernel for SPARC. The functionalities include LDC (Logical Domain Channels), MDESC (Machine Descriptor) and VIO (Virtual IO protocol). In order for VCC to be enabled, it requires that these core functionalities support them. This series of patches adds MDESC & VIO support to enable VCC on Linux. It is the second batch of changes to enable VCC. This version of the series addresses the following changes suggested by Dave Miller Patch 4/5: - "name" field in vdev_port md_node_info is declared as "const char *" - Code has been modified to dynamically allocate & free "name" in vdev_port md_node_info - Parameters to mdesc_get_node(), mdesc_get_node_info() & mdesc_get_node_ops() have been updated to use "const char *" Patch 6/5: - "node_name" parameter in vio_create_one() has been changed to "const char *" type from "char *" - Typecasts in vio_create_one() invocations to convert "const char *" to "char *" have been removed Patch 11/5: - Invocations of mdesc_node_get() & mdesc_get_node_info() have been updated to use the prototypes defined in patch 4/5 ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25sparc64: add port_id to VIO device metadataJag Raman
Add port_id field to VIO device metadata to identify the port of VIO device. Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Reviewed-by: Liam Merwick <liam.merwick@oracle.com> Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25sparc64: Enhance search for VIO device in MDESCJag Raman
Enhances search for VIO device in MDESC by leveraging already existing MDESC APIs. Enhances changes in earlier patch, "sparc: Machine description indices can vary", by using existing MD search functions. It also specifies a match function, thereby enabling device_find_child() to use it for the purpose of matching device nodes in MDESC. An API to find VDEV node in MDESC based on its md_node_info is also added. It is planned to be used by VIO device clients in the future. Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Reviewed-by: Liam Merwick <liam.merwick@oracle.com> Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25sparc64: enhance VIO device probingJag Raman
- Allocate IRQs for VIO devices during probing. - Allow clients to specify if IRQs would be allocated for a given VIO device. - Cache the device handle of the root node of channel-devices sub-tree in Machine Description (MDESC). Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Reviewed-by: Liam Merwick <liam.merwick@oracle.com> Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25sparc64: check if a client is allowed to register for MDESC notificationsJag Raman
Check if a client is supported, by comparing against a whitelist, to register for notifications from Machine Description (MDESC) Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Reviewed-by: Liam Merwick <liam.merwick@oracle.com> Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25sparc64: remove restriction on VIO device name sizeJag Raman
Removes restriction on VIO device's size limit. Since KOBJ_NAME_LEN has been dropped from kobject, there doesn't seem to be a restriction on the device name anymore. This limit therefore doesn't make sense. Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Reviewed-by: Liam Merwick <liam.merwick@oracle.com> Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25sparc64: refactor code to obtain cfg_handle property from MDESCJag Raman
Refactors code to get the cfg_handle property of a node from Machine Description (MDESC) Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Reviewed-by: Liam Merwick <liam.merwick@oracle.com> Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25sparc64: add MDESC node name property to VIO device metadataJag Raman
Add the MDESC node name of MDESC client to VIO device metadata. It is later used to uniquely identify a node in the MDESC. VIO & MDESC APIs are updated to handle this node name. Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Reviewed-by: Liam Merwick <liam.merwick@oracle.com> Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25sparc64: mdesc: use __GFP_REPEAT action modifier for VM allocationJag Raman
During MDESC handle allocation, use the __GFP_REPEAT flag instead of __GFP_NOFAIL. If memory is not available, the caller expects a NULL pointer instead of waiting until memory is allocated. Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Reviewed-by: Liam Merwick <liam.merwick@oracle.com> Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25sparc64: expand MDESC interfaceJag Raman
Add the following two APIs to Machine Description (MDESC) - mdesc_get_node: Searches for a node in the Machine Description tree based on given information about that node. - mdesc_get_node_info: Retrieves information about a given node. Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Reviewed-by: Liam Merwick <liam.merwick@oracle.com> Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25sparc64: skip handshake for LDC channels in RAW modeJag Raman
LDC channels in RAW mode does not provide any session management. No handshake protocol is defined for LDC channels in RAW mode. It's therefore skipped. Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Reviewed-by: Liam Merwick <liam.merwick@oracle.com> Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25sparc64: specify the device class in VIO version info. packetJag Raman
Specify the class of VIO device in the version info. packet. The device's class identifies the type of VIO device, whether it's DISK, CONSOLE, NETWORK, etc... This packet is used in the handshake between the client and server for this device. Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Reviewed-by: Liam Merwick <liam.merwick@oracle.com> Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25sparc64: ensure VIO operations are defined while being usedJag Raman
It's possible that VIO operations are not defined for some VIO clients. In that case, VIO ops pointer should be checked for NULL before being used Signed-off-by: Jagannathan Raman <jag.raman@oracle.com> Reviewed-by: Liam Merwick <liam.merwick@oracle.com> Reviewed-by: Shannon Nelson <shannon.nelson@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25sparc: kernel: apc: make of_device_ids constArvind Yadav
of_device_ids are not supposed to change at runtime. All functions working with of_device_ids provided by <linux/of.h> work with const of_device_ids. So mark the non-const structs as const. Signed-off-by: Arvind Yadav <arvind.yadav.cs@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25arm64: defconfig: remove duplicate entryArnd Bergmann
This fixes a warning: warning: override: reassigning to symbol SPI_MESON_SPIFC Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2017-06-25sparc64: Fix gup_huge_pmdNitin Gupta
The function assumes that each PMD points to head of a huge page. This is not correct as a PMD can point to start of any 8M region with a, say 256M, hugepage. The fix ensures that it points to the correct head of any PMD huge page. Cc: Julian Calaby <julian.calaby@gmail.com> Signed-off-by: Nitin Gupta <nitin.m.gupta@oracle.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25net: macb: add fixed-link node supportMichael Grzeschik
In case the MACB is directly connected to a non-mdio PHY/device, it should be possible to provide a fixed link configuration in the DT. Signed-off-by: Michael Grzeschik <m.grzeschik@pengutronix.de> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25Merge branch 'x86-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull x86 fix from Thomas Gleixner: "A single fix to unbreak the vdso32 build for 64bit kernels caused by excess #includes in the mshyperv header" * 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/mshyperv: Remove excess #includes from mshyperv.h
2017-06-25Merge branch 'timers-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull timer fixes from Thomas Gleixner: "A few fixes for timekeeping and timers: - Plug a subtle race due to a missing READ_ONCE() in the timekeeping code where reloading of a pointer results in an inconsistent callback argument being supplied to the clocksource->read function. - Correct the CLOCK_MONOTONIC_RAW sub-nanosecond accounting in the time keeping core code, to prevent a possible discontuity. - Apply a similar fix to the arm64 vdso clock_gettime() implementation - Add missing includes to clocksource drivers, which relied on indirect includes which fails in certain configs. - Use the proper iomem pointer for read/iounmap in a probe function" * 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: arm64/vdso: Fix nsec handling for CLOCK_MONOTONIC_RAW time: Fix CLOCK_MONOTONIC_RAW sub-nanosecond accounting time: Fix clock->read(clock) race around clocksource changes clocksource: Explicitly include linux/clocksource.h when needed clocksource/drivers/arm_arch_timer: Fix read and iounmap of incorrect variable
2017-06-25Merge branch 'perf-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull perf fixes from Thomas Gleixner: "Three fixlets for perf: - Return the proper error code if aux buffers for a event are not supported. - Calculate the probe offset for inlined functions correctly - Update the Skylake DTLB load/store miss event so it can count 1G TLB entries as well" * 'perf-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: perf probe: Fix probe definition for inlined functions perf/x86/intel: Add 1G DTLB load/store miss support for SKL perf/aux: Correct return code of rb_alloc_aux() if !has_aux(ev)
2017-06-25Merge branch 'irq-urgent-for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip Pull irq fix from Thomas Gleixner: "A single fix for the MIPS GIC to prevent ftrace recursion" * 'irq-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/mips-gic: Mark count and compare accessors notrace
2017-06-25Merge tag 'wireless-drivers-next-for-davem-2017-06-25' of ↵David S. Miller
git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers-next Kalle Valo says: ==================== wireless-drivers-next patches for 4.13 New features and bug fixes to quite a few different drivers, but nothing really special standing out. What makes me happy that we have now more vendors actively contributing to upstream drivers. In this pull request we have patches from Broadcom, Intel, Qualcomm, Realtek and Redpine Signals, and I still have patches from Marvell and Quantenna pending in patchwork. Now that's something comparing to how things looked 11 years ago in Jeff Garzik's "State of the Union: Wireless" email: https://lkml.org/lkml/2006/1/5/671 Major changes: wil6210 * add low level RF sector interface via nl80211 vendor commands * add module parameter ftm_mode to load separate firmware for factory testing * support devices with different PCIe bar size * add support for PCIe D3hot in system suspend * remove ioctl interface which should not be in a wireless driver ath10k * go back to using dma_alloc_coherent() for firmware scratch memory * add per chain RSSI reporting brcmfmac * add support multi-scheduled scan * add scheduled scan support for specified BSSIDs * add support for brcm43430 revision 0 wlcore * add wil1285 compatible rsi * add RS9113 USB support iwlwifi * FW API documentation improvements (for tools and htmldoc) * continuing work for the new A000 family * bump the maximum supported FW API to 31 * improve the differentiation between 8000, 9000 and A000 families ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25Merge branch 'sctp-RFC-4960-Errata-fixes'David S. Miller
Marcelo Ricardo Leitner says: ==================== sctp: RFC 4960 Errata fixes This patchset contains fixes for 4 Errata topics from https://tools.ietf.org/html/draft-ietf-tsvwg-rfc4960-errata-01 Namely, sections: 3.12. Order of Adjustments of partial_bytes_acked and cwnd 3.22. Increase of partial_bytes_acked in Congestion Avoidance 3.26. CWND Increase in Congestion Avoidance Phase 3.27. Refresh of cwnd and ssthresh after Idle Period Tests performed with netperf using net namespaces, with drop rates at 0%, 0.5% and 1% by netem, IPv4 and IPv6, 10 runs for each combination. I couldn't spot differences on the stats. With and without these patches the results vary in a similar way in terms of throughput and retransmissions. Tests with 20ms delay and 20ms delay + drops at 0.5% and 1% also had results in a similar way, no noticeable difference. Looking at cwnd, it was possible to notice slightly lower values being used while still sustaining same throughput profile. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25sctp: adjust ssthresh when transport is idleMarcelo Ricardo Leitner
RFC 4960 Errata 3.27 identifies that ssthresh should be adjusted to cwnd because otherwise it could cause the transport to lock into congestion avoidance phase specially if ssthresh was previously reduced by some packet drop, leading to poor performance. The Errata says to adjust ssthresh to cwnd only once, though the same goal is achieved by updating it every time we update cwnd too. The caveat is that we could take longer to get back up to speed but that should be compensated by the fact that we don't adjust on RTO basis (as RFC says) but based on Heartbeats, which are usually way longer. See-also: https://tools.ietf.org/html/draft-ietf-tsvwg-rfc4960-errata-01#section-3.27 Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25sctp: adjust cwnd increase in Congestion Avoidance phaseMarcelo Ricardo Leitner
RFC4960 Errata 3.26 identified that at the same time RFC4960 states that cwnd should never grow more than 1*MTU per RTT, Section 7.2.2 was underspecified and as described could allow increasing cwnd more than that. This patch updates it so partial_bytes_acked is maxed to cwnd if flight_size doesn't reach cwnd, protecting it from such case. See-also: https://tools.ietf.org/html/draft-ietf-tsvwg-rfc4960-errata-01#section-3.26 Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25sctp: allow increasing cwnd regardless of ctsn moving or notMarcelo Ricardo Leitner
As per RFC4960 Errata 3.22, this condition is not needed anymore as it could cause the partial_bytes_acked to not consider the TSNs acked in the Gap Ack Blocks although they were received by the peer successfully. This patch thus drops the check for new Cumulative TSN Ack Point, leaving just the flight_size < cwnd one. See-also: https://tools.ietf.org/html/draft-ietf-tsvwg-rfc4960-errata-01#section-3.22 Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25sctp: update order of adjustments of partial_bytes_acked and cwndMarcelo Ricardo Leitner
RFC4960 Errata 3.12 says RFC4960 is unclear about the order of adjustments applied to partial_bytes_acked and cwnd in the congestion avoidance phase, and that the actual order should be: partial_bytes_acked is reset to (partial_bytes_acked - cwnd). Next, cwnd is increased by MTU. We were first increasing cwnd, and then subtracting the new value pba, which leads to a different result as pba is smaller than what it should and could cause cwnd to not grow as much. See-also: https://tools.ietf.org/html/draft-ietf-tsvwg-rfc4960-errata-01#section-3.12 Signed-off-by: Marcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25Merge branch 'for-linus' of ↵Linus Torvalds
git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input Pull input fixes from Dmitry Torokhov: - a quirk to i8042 to ignore timeout bit on Lifebook AH544 - a fixup to Synaptics RMI function 54 that was breaking some Dells - a fix for memory leak in soc_button_array driver * 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input: Input: synaptics-rmi4 - only read the F54 query registers which are used Input: i8042 - add Fujitsu Lifebook AH544 to notimeout list Input: soc_button_array - fix leaking the ACPI button descriptor buffer
2017-06-25Merge git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pendingLinus Torvalds
Pull SCSI target fixes from Nicholas Bellinger: "Here are the target-pending fixes for v4.12-rc7 that have been queued up for the last 2 weeks. This includes: - Fix a TMR related kref underflow detected by the recent refcount_t conversion in upstream. - Fix a iscsi-target corner case during explicit connection logout timeout failure. - Address last fallout in iscsi-target immediate data handling from v4.4 target-core now allowing control CDB payload underflow" * git://git.kernel.org/pub/scm/linux/kernel/git/nab/target-pending: iscsi-target: Reject immediate data underflow larger than SCSI transfer length iscsi-target: Fix delayed logout processing greater than SECONDS_FOR_LOGOUT_COMP target: Fix kref->refcount underflow in transport_cmd_finish_abort
2017-06-25tcp: reset sk_rx_dst in tcp_disconnect()WANG Cong
We have to reset the sk->sk_rx_dst when we disconnect a TCP connection, because otherwise when we re-connect it this dst reference is simply overridden in tcp_finish_connect(). This fixes a dst leak which leads to a loopback dev refcnt leak. It is a long-standing bug, Kevin reported a very similar (if not same) bug before. Thanks to Andrei for providing such a reliable reproducer which greatly narrows down the problem. Fixes: 41063e9dd119 ("ipv4: Early TCP socket demux.") Reported-by: Andrei Vagin <avagin@gmail.com> Reported-by: Kevin Xu <kaiwen.xu@hulu.com> Signed-off-by: Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25net: Remove ndo_dfwd_start_xmitMintz, Yuval
Looks like commit f663dd9aaf9e ("net: core: explicitly select a txq before doing l2 forwarding") has removed the need for this dedicated xmit function [it even explicitly states so in its commit log message] but it hasn't removed the definition of the ndo. Signed-off-by: Yuval Mintz <Yuval.Mintz@cavium.com> CC: Jason Wang <jasowang@redhat.com> CC: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25net: ipv6: reset daddr and dport in sk if connect() failsWei Wang
In __ip6_datagram_connect(), reset sk->sk_v6_daddr and inet->dport if error occurs. In udp_v6_early_demux(), check for sk_state to make sure it is in TCP_ESTABLISHED state. Together, it makes sure unconnected UDP socket won't be considered as a valid candidate for early demux. v3: add TCP_ESTABLISHED state check in udp_v6_early_demux() v2: fix compilation error Fixes: 5425077d73e0 ("net: ipv6: Add early demux handler for UDP unicast") Signed-off-by: Wei Wang <weiwan@google.com> Acked-by: Maciej Żenczykowski <maze@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25Merge branch 'qcom-emac-various-minor-improvements'David S. Miller
Timur Tabi says: ==================== net: qcom/emac: various minor improvements A collection of minor fixes and features to the Qualcomm Technologies EMAC network driver. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25net: qcom/emac: add support for emulation systemsTimur Tabi
On emulation systems, the EMAC's internal PHY ("SGMII") is not present, but is not needed for network functionality. So just display a warning message and ignore the SGMII. Tested-by: Philip Elcan <pelcan@codeaurora.org> Tested-by: Adam Wallis <awallis@codeaurora.org> Signed-off-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25net: qcom/emac: do not reset the EMAC during initializationTimur Tabi
On ACPI systems, the driver depends on firmware pre-initializing the EMAC because we don't have access to the clocks, and the EMAC has specific clock programming requirements. Therefore, we don't want to reset the EMAC while we are completing the initialization. Tested-by: Richard Ruigrok <rruigrok@codeaurora.org> Signed-off-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25net: qcom/emac: add shutdown functionTimur Tabi
The shutdown function halts all DMA and interrupts, so that all operations are discontinued when the system shuts down, e.g. via kexec or a forced reboot. Tested-by: Tyler Baicar <tbaicar@codeaurora.org> Signed-off-by: Timur Tabi <timur@codeaurora.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25af_iucv: Move sockaddr length checks to before accessing sa_family in bind ↵Mateusz Jurczyk
and connect handlers Verify that the caller-provided sockaddr structure is large enough to contain the sa_family field, before accessing it in bind() and connect() handlers of the AF_IUCV socket. Since neither syscall enforces a minimum size of the corresponding memory region, very short sockaddrs (zero or one byte long) result in operating on uninitialized memory while referencing .sa_family. Fixes: 52a82e23b9f2 ("af_iucv: Validate socket address length in iucv_sock_bind()") Signed-off-by: Mateusz Jurczyk <mjurczyk@google.com> [jwi: removed unneeded null-check for addr] Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25net/iucv: improve endianness handlingHans Wippel
Use proper endianness conversion for an skb protocol assignment. Given that IUCV is only available on big endian systems (s390), this simply avoids an endianness warning reported by sparse. Signed-off-by: Hans Wippel <hwippel@linux.vnet.ibm.com> Reviewed-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Reviewed-by: Ursula Braun <ubraun@linux.vnet.ibm.com> Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2017-06-25net: dsa: mv88e6xxx: fix error code in mv88e6390_serdes_power()Dan Carpenter
We're accidentally returning the wrong variable. "cmode" is uninitialized at this point so it causes a static checker warning. Fixes: 6335e9f2446b ("net: dsa: mv88e6xxx: mv88e6390X SERDES support") Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by: Andrew Lunn <andrew@lunn.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
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