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2014-11-25tcp: fix possible NULL dereference in tcp_vX_send_reset()Eric Dumazet
After commit ca777eff51f7 ("tcp: remove dst refcount false sharing for prequeue mode") we have to relax check against skb dst in tcp_v[46]_send_reset() if prequeue dropped the dst. If a socket is provided, a full lookup was done to find this socket, so the dst test can be skipped. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=88191 Reported-by: Jaša Bartelj <jasa.bartelj@gmail.com> Signed-off-by: Eric Dumazet <edumazet@google.com> Reported-by: Daniel Borkmann <dborkman@redhat.com> Fixes: ca777eff51f7 ("tcp: remove dst refcount false sharing for prequeue mode") Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-25rtlwifi: Change order in device startupLarry Finger
The existing order of steps when starting the PCI devices works for 2.4G devices, but fails to initialize the 5G section of the RTL8821AE hardware. This patch is needed to fix the regression reported in Bug #88811 (https://bugzilla.kernel.org/show_bug.cgi?id=88811). Reported-by: Valerio Passini <valerio.passini@unicam.it> Tested-by: Valerio Passini <valerio.passini@unicam.it> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Valerio Passini <valerio.passini@unicam.it> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-11-25rtlwifi: rtl8821ae: Fix 5G detection problemLarry Finger
The changes associated with moving this driver from staging to the regular tree missed one section setting the allowable rates for the 5GHz band. This patch is needed to fix the regression reported in Bug #88811 (https://bugzilla.kernel.org/show_bug.cgi?id=88811). Reported-by: Valerio Passini <valerio.passini@unicam.it> Tested-by: Valerio Passini <valerio.passini@unicam.it> Signed-off-by: Larry Finger <Larry.Finger@lwfinger.net> Cc: Valerio Passini <valerio.passini@unicam.it> Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-11-25Revert "netfilter: conntrack: fix race in __nf_conntrack_confirm against ↵Pablo Neira
get_next_corpse" This reverts commit 5195c14c8b27cc0b18220ddbf0e5ad3328a04187. If the conntrack clashes with an existing one, it is left out of the unconfirmed list, thus, crashing when dropping the packet and releasing the conntrack since golden rule is that conntracks are always placed in any of the existing lists for traceability reasons. Reported-by: Daniel Borkmann <dborkman@redhat.com> Fixes: https://bugzilla.kernel.org/show_bug.cgi?id=88841 Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-25Merge branch 'ipv6_vxlan_outer_udp_csum'David S. Miller
Alexander Duyck says: ==================== Fix outer UDP checksums for IPv6 VXLAN tunnels In testing against an older kernel I found a couple issues in the IPv6 VXLAN tunnel checksum logic for the outer UDP checksum. First the default transitioned from using an outer checksum to not using one. Second, sometime after that the checksum inputs were changed resulting the checksum not being correct if it were computed. These two issues prevented a ping from the newer kernel to the older one. With these two changes applied I verified I was able to send traffic over the VXLAN tunnel to a link partner on an older kernel. The boolean flip fix can be submitted for 3.17 stable as well since the patch that introduced the issue was included in that kernel. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-25vxlan: Fix boolean flip in VXLAN_F_UDP_ZERO_CSUM6_[TX|RX]Alexander Duyck
In "vxlan: Call udp_sock_create" there was a logic error that resulted in the default for IPv6 VXLAN tunnels going from using checksums to not using checksums. Since there is currently no support in iproute2 for setting these values it means that a kernel after the change cannot talk over a IPv6 VXLAN tunnel to a kernel prior the change. Fixes: 3ee64f3 ("vxlan: Call udp_sock_create") Cc: Tom Herbert <therbert@google.com> Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com> Acked-by: Tom Herbert <therbert@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-25ip6_udp_tunnel: Fix checksum calculationAlexander Duyck
The UDP checksum calculation for VXLAN tunnels is currently using the socket addresses instead of the actual packet source and destination addresses. As a result the checksum calculated is incorrect in some cases. Also uh->check was being set twice, first it was set to 0, and then it is set again in udp6_set_csum. This change removes the redundant assignment to 0. Fixes: acbf74a7 ("vxlan: Refactor vxlan driver to make use of the common UDP tunnel functions.") Cc: Andy Zhou <azhou@nicira.com> Signed-off-by: Alexander Duyck <alexander.h.duyck@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-25cxgb4/cxgb4vf/csiostor: Add T4/T5 PCI ID TableHariprasad Shenai
Add a new file t4_pci_id_tbl.h that contains T4/T5 PCI ID Table so that for all drivers that uses T4/T5 PCI functions changes can be done in one place. checkpatch.pl script reports following error, which if tried to fix ends up in compilation error. ERROR: Macros with complex values should be enclosed in parentheses +#define CH_PCI_DEVICE_ID_TABLE_DEFINE_END \ + { 0, } \ + } WARNING: added, moved or deleted file(s), does MAINTAINERS need updating? new file mode 100644 ERROR: Macros with complex values should be enclosed in parentheses +#define CH_PCI_ID_TABLE_FENTRY(devid) \ + CH_PCI_ID_TABLE_ENTRY((devid) | \ + ((CH_PCI_DEVICE_ID_FUNCTION) << 8)), \ + CH_PCI_ID_TABLE_ENTRY((devid) | \ + ((CH_PCI_DEVICE_ID_FUNCTION2) << 8)) ERROR: Macros with complex values should be enclosed in parentheses +#define CH_PCI_DEVICE_ID_TABLE_DEFINE_END { 0, } } ERROR: Macros with complex values should be enclosed in parentheses +#define CH_PCI_DEVICE_ID_TABLE_DEFINE_END { 0, } } Signed-off-by: Hariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-25net-timestamp: Fix a documentation typoAndrew Lutomirski
SOF_TIMESTAMPING_OPT_ID puts the id in ee_data, not ee_info. Cc: Willem de Bruijn <willemb@google.com> Signed-off-by: Andy Lutomirski <luto@amacapital.net> Acked-by: Willem de Bruijn <willemb@google.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-25Input: xpad - use proper endpoint typeGreg Kroah-Hartman
The xpad wireless endpoint is not a bulk endpoint on my devices, but rather an interrupt one, so the USB core complains when it is submitted. I'm guessing that the author really did mean that this should be an interrupt urb, but as there are a zillion different xpad devices out there, let's cover out bases and handle both bulk and interrupt endpoints just as easily. Signed-off-by: "Pierre-Loup A. Griffais" <pgriffais@valvesoftware.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org> Cc: stable <stable@vger.kernel.org> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2014-11-25Input: elantech - trust firmware about trackpoint presenceDmitry Torokhov
Only try to parse data as coming from trackpoint if firmware told us that trackpoint is present. Fixes commit caeb0d37fa3e387eb0dd22e5d497523c002033d1 Reported-and-tested-by: Marcus Overhagen <marcus.overhagen@gmail.com> Reported-and-tested-by: Anders Kaseorg <andersk@mit.edu> Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
2014-11-24usb-quirks: Add reset-resume quirk for MS Wireless Laser Mouse 6000Hans de Goede
This wireless mouse receiver needs a reset-resume quirk to properly come out of reset. BugLink: https://bugzilla.redhat.com/show_bug.cgi?id=1165206 Signed-off-by: Hans de Goede <hdegoede@redhat.com> Cc: stable <stable@vger.kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-11-24net/ping: handle protocol mismatching scenarioJane Zhou
ping_lookup() may return a wrong sock if sk_buff's and sock's protocols dont' match. For example, sk_buff's protocol is ETH_P_IPV6, but sock's sk_family is AF_INET, in that case, if sk->sk_bound_dev_if is zero, a wrong sock will be returned. the fix is to "continue" the searching, if no matching, return NULL. Cc: "David S. Miller" <davem@davemloft.net> Cc: Alexey Kuznetsov <kuznet@ms2.inr.ac.ru> Cc: James Morris <jmorris@namei.org> Cc: Hideaki YOSHIFUJI <yoshfuji@linux-ipv6.org> Cc: Patrick McHardy <kaber@trash.net> Cc: netdev@vger.kernel.org Cc: stable@vger.kernel.org Signed-off-by: Jane Zhou <a17711@motorola.com> Signed-off-by: Yiwei Zhao <gbjc64@motorola.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-24net/smsc911x: Add minimal runtime PM supportGeert Uytterhoeven
Add minimal runtime PM support (enable on probe, disable on remove), to ensure proper operation with a parent device that uses runtime PM. This is needed on systems where the external bus controller module of the SoC is contained in a PM domain and/or has a gateable functional clock. In such cases, before accessing any device connected to the external bus, the PM domain must be powered up, and/or the functional clock must be enabled, which is typically handled through runtime PM by the bus controller driver. An example of this is the kzm9g development board, where an smsc9220 Ethernet controller is connected to the Bus State Controller (BSC) of a Renesas sh73a0 SoC. Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-24tipc: add tipc_netlink.h to uapi KbuildRichard Alpe
tipc_netlink.h is the user-space header for the new netlink api. It was accidentally left out of the uapi Kbuild list when the api was added. Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-24rhashtable: Check for count mismatch while iterating in selftestThomas Graf
Verify whether both the lock and RCU protected iterators see all test entries before and after expanding and shrinking has been performed. Also verify whether the number of entries in the hashtable remains stable during expansion and shrinking. Signed-off-by: Thomas Graf <tgraf@suug.ch> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-24af_packet: fix sparse warningMichael S. Tsirkin
af_packet produces lots of these: net/packet/af_packet.c:384:39: warning: incorrect type in return expression (different modifiers) net/packet/af_packet.c:384:39: expected struct page [pure] * net/packet/af_packet.c:384:39: got struct page * this seems to be because sparse does not realize that _pure refers to function, not the returned pointer. Tweak code slightly to avoid the warning. Signed-off-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-24xen-netback: do not report success if backend_create_xenvif() failsAlexey Khoroshilov
If xenvif_alloc() or xenbus_scanf() fail in backend_create_xenvif(), xenbus is left in offline mode but netback_probe() reports success. The patch implements propagation of error code for backend_create_xenvif(). Found by Linux Driver Verification project (linuxtesting.org). Signed-off-by: Alexey Khoroshilov <khoroshilov@ispras.ru> Acked-by: Wei Liu <wei.liu2@citrix.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-24tc_vlan: fix type of tcfv_push_vidJiri Pirko
Should be u16. So fix it to kill the sparse warning. Fixes: c7e2b9689ef8136 "sched: introduce vlan action" Signed-off-by: Jiri Pirko <jiri@resnulli.us> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-24ipv6: gre: fix wrong skb->protocol in WCCPYuri Chislov
When using GRE redirection in WCCP, it sets the wrong skb->protocol, that is, ETH_P_IP instead of ETH_P_IPV6 for the encapuslated traffic. Fixes: c12b395a4664 ("gre: Support GRE over IPv6") Cc: Dmitry Kozlov <xeb@mail.ru> Signed-off-by: Yuri Chislov <yuri.chislov@gmail.com> Tested-by: Yuri Chislov <yuri.chislov@gmail.com> Signed-off-by: Daniel Borkmann <dborkman@redhat.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-24tipc: fix sparse warnings in new nl apiRichard Alpe
Fix sparse warnings about non-static declaration of static functions in the new tipc netlink API. Signed-off-by: Richard Alpe <richard.alpe@ericsson.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-24Merge git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nf-nextDavid S. Miller
Pablo Neira Ayuso says: ==================== netfilter/ipvs updates for net-next The following patchset contains Netfilter updates for your net-next tree, this includes the NAT redirection support for nf_tables, the cgroup support for nft meta and conntrack zone support for the connlimit match. Coming after those, a bunch of sparse warning fixes, missing netns bits and cleanups. More specifically, they are: 1) Prepare IPv4 and IPv6 NAT redirect code to use it from nf_tables, patches from Arturo Borrero. 2) Introduce the nf_tables redir expression, from Arturo Borrero. 3) Remove an unnecessary assignment in ip_vs_xmit/__ip_vs_get_out_rt(). Patch from Alex Gartrell. 4) Add nft_log_dereference() macro to the nf_log infrastructure, patch from Marcelo Leitner. 5) Add some extra validation when registering logger families, also from Marcelo. 6) Some spelling cleanups from stephen hemminger. 7) Fix sparse warning in nf_logger_find_get(). 8) Add cgroup support to nf_tables meta, patch from Ana Rey. 9) A Kconfig fix for the new redir expression and fix sparse warnings in the new redir expression. 10) Fix several sparse warnings in the netfilter tree, from Florian Westphal. 11) Reduce verbosity when OOM in nfnetlink_log. User can basically do nothing when this situation occurs. 12) Add conntrack zone support to xt_connlimit, again from Florian. 13) Add netnamespace support to the h323 conntrack helper, contributed by Vasily Averin. 14) Remove unnecessary nul-pointer checks before free_percpu() and module_put(), from Markus Elfring. 15) Use pr_fmt in nfnetlink_log, again patch from Marcelo Leitner. ==================== Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-24ipvlan: Initial check-in of the IPVLAN driver.Mahesh Bandewar
This driver is very similar to the macvlan driver except that it uses L3 on the frame to determine the logical interface while functioning as packet dispatcher. It inherits L2 of the master device hence the packets on wire will have the same L2 for all the packets originating from all virtual devices off of the same master device. This driver was developed keeping the namespace use-case in mind. Hence most of the examples given here take that as the base setup where main-device belongs to the default-ns and virtual devices are assigned to the additional namespaces. The device operates in two different modes and the difference in these two modes in primarily in the TX side. (a) L2 mode : In this mode, the device behaves as a L2 device. TX processing upto L2 happens on the stack of the virtual device associated with (namespace). Packets are switched after that into the main device (default-ns) and queued for xmit. RX processing is simple and all multicast, broadcast (if applicable), and unicast belonging to the address(es) are delivered to the virtual devices. (b) L3 mode : In this mode, the device behaves like a L3 device. TX processing upto L3 happens on the stack of the virtual device associated with (namespace). Packets are switched to the main-device (default-ns) for the L2 processing. Hence the routing table of the default-ns will be used in this mode. RX processins is somewhat similar to the L2 mode except that in this mode only Unicast packets are delivered to the virtual device while main-dev will handle all other packets. The devices can be added using the "ip" command from the iproute2 package - ip link add link <master> <virtual> type ipvlan mode [ l2 | l3 ] Signed-off-by: Mahesh Bandewar <maheshb@google.com> Cc: Eric Dumazet <edumazet@google.com> Cc: Maciej Żenczykowski <maze@google.com> Cc: Laurent Chavey <chavey@google.com> Cc: Tim Hockin <thockin@google.com> Cc: Brandon Philips <brandon.philips@coreos.com> Cc: Pavel Emelianov <xemul@parallels.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-248139too: The maximum MTU should allow for VLAN headersAlban Bedel
As pointed out by Ben Hutchings drivers that allow using VLAN have to provide enough headroom for the VLAN tags. Signed-off-by: Alban Bedel <albeu@free.fr> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-24net: fec: init maximum receive buffer size for ring1 and ring2Nimrod Andy
i.MX6SX fec support three rx ring1, the current driver lost to init ring1 and ring2 maximum receive buffer size, that cause receving frame date length error. The driver reports "rcv is not +last" error log in user case. Signed-off-by: Fugang Duan <B38611@freescale.com> Signed-off-by: David S. Miller <davem@davemloft.net>
2014-11-24Merge tag 'iwlwifi-for-john-2014-11-23' of ↵John W. Linville
git://git.kernel.org/pub/scm/linux/kernel/git/iwlwifi/iwlwifi-fixes Emmanuel Grumbach <egrumbach@gmail.com> says: "Not all the firmware know how to handle the HOT_SPOT_CMD. Make sure that the firmware will know this command before sending it. This avoids a firmware crash." Signed-off-by: John W. Linville <linville@tuxdriver.com>
2014-11-24rds: switch rds_message_copy_from_user() to iov_iterAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-24rds: switch ->inc_copy_to_user() to passing iov_iterAl Viro
instances get considerably simpler from that... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-24[atm] switch vcc_sendmsg() to copy_from_iter()Al Viro
... and make it handle multi-segment iovecs - deals with that "fix this later" issue for free. A bit of shame, really - it had been there since 2.3.15pre3 when the whole thing went into the tree, practically a historical artefact by now... Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-24vmci_transport: switch ->enqeue_dgram, ->enqueue_stream and ->dequeue_stream ↵Al Viro
to msghdr Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-24tipc_msg_build(): pass msghdr instead of its ->msg_iovAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-24tipc_sendmsg(): pass msghdr instead of its ->msg_iovAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-24switch sctp_user_addto_chunk() and sctp_datamsg_from_user() to passing iov_iterAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-24switch AF_PACKET and AF_UNIX to skb_copy_datagram_from_iter()Al Viro
... and kill skb_copy_datagram_iovec() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-24kill zerocopy_sg_from_iovec()Al Viro
no users left Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-24{macvtap,tun}_get_user(): switch to iov_iterAl Viro
allows to switch macvtap and tun from ->aio_write() to ->write_iter() Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-24new helpers: skb_copy_datagram_from_iter() and zerocopy_sg_from_iter()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-24switch macvtap to ->read_iter()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-24switch drivers/net/tun.c to ->read_iter()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-24new helper: memcpy_to_msg()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-24switch ipxrtr_route_packet() from iovec to msghdrAl Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-24new helper: memcpy_from_msg()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-24new helper: skb_copy_and_csum_datagram_msg()Al Viro
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
2014-11-24MIPS: Fix address type used for early memory detection.Steven J. Hill
In 'early_parse_mem' the data type used for the start and size of a memory region specified on the command line is incorrect. If 64-bit addressing is used, the value gets truncated. Signed-off-by: Steven J. Hill <Steven.Hill@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/8456/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-11-24MIPS: Kconfig: Don't allow both microMIPS and SmartMIPS to be selected.Markos Chandras
microMIPS and SmartMIPS can't be used together. This fixes the following build problem: Warning: the 32-bit microMIPS architecture does not support the `smartmips' extension arch/mips/kernel/entry.S:90: Error: unrecognized opcode `mtlhx $24' [...] arch/mips/kernel/entry.S:109: Error: unrecognized opcode `mtlhx $24' Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/7421/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-11-24MIPS: kernel: cps-vec: Set ISA level to mips32r2 for the MIPS MT ASEMarkos Chandras
Fixes the following build warnings: arch/mips/kernel/cps-vec.S: Assembler messages: arch/mips/kernel/cps-vec.S:228: Warning: the `mt' extension requires MIPS32 revision 2 or greater [...] arch/mips/kernel/cps-vec.S: Assembler messages: arch/mips/kernel/cps-vec.S:345: Warning: the `mt' extension requires MIPS32 revision 2 or greater Signed-off-by: Markos Chandras <markos.chandras@imgtec.com> Cc: Paul Burton <Paul.Burton@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/7355/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-11-24MIPS: Netlogic: handle modular AHCI buildsFlorian Fainelli
Commits a951440971d0 ("MIPS: Netlogic: Support for XLP3XX on-chip SATA") and fedfcb1137d2 ("MIPS: Netlogic: XLP9XX on-chip SATA support") added ahci-init and ahci-init-xlp2 as objects to build when CONFIG_SATA_AHCI is enabled. If CONFIG_SATA_AHCI is made modular, these two files will also get built as modules (obj-m), which will result in the following linking failure: ERROR: "nlm_set_pic_extra_ack" [arch/mips/netlogic/xlp/ahci-init.ko] undefined! ERROR: "nlm_io_base" [arch/mips/netlogic/xlp/ahci-init.ko] undefined! ERROR: "nlm_nodes" [arch/mips/netlogic/xlp/ahci-init-xlp2.ko] undefined! ERROR: "nlm_set_pic_extra_ack" [arch/mips/netlogic/xlp/ahci-init-xlp2.ko] undefined! ERROR: "xlp_socdev_to_node" [arch/mips/netlogic/xlp/ahci-init-xlp2.ko] undefined! ERROR: "nlm_io_base" [arch/mips/netlogic/xlp/ahci-init-xlp2.ko] undefined! Just check whether CONFIG_SATA_AHCI is defined for this build, and if that is the case, add these objects to the list of built-in object files. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Cc: linux-mips@linux-mips.org Cc: ganesanr@broadcom.com Cc: jchandra@broadcom.com Patchwork: https://patchwork.linux-mips.org/patch/7855/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-11-24MIPS: Netlogic: handle modular USB caseFlorian Fainelli
Commit 1004165f346a ("MIPS: Netlogic: USB support for XLP") and then commit 9eac3591e78b ("MIPS: Netlogic: Add support for USB on XLP2xx") added usb-init and usb-init-xlp2 as objects to build when CONFIG_USB is enabled. If CONFIG_USB is made modular, these two files will also get built as modules (obj-m), which will result in the following linking failure: ERROR: "nlm_io_base" [arch/mips/netlogic/xlp/usb-init.ko] undefined! ERROR: "nlm_nodes" [arch/mips/netlogic/xlp/usb-init-xlp2.ko] undefined! ERROR: "nlm_set_pic_extra_ack" [arch/mips/netlogic/xlp/usb-init-xlp2.ko] undefined! ERROR: "xlp_socdev_to_node" [arch/mips/netlogic/xlp/usb-init-xlp2.ko] undefined! ERROR: "nlm_io_base" [arch/mips/netlogic/xlp/usb-init-xlp2.ko] undefined! Just check whether CONFIG_USB is defined for this build, and if that is the case, add these objects to the list of built-in object files. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com> Cc: linux-mips@linux-mips.org Cc: ganesanr@broadcom.com Cc: jchandra@broadcom.com Patchwork: https://patchwork.linux-mips.org/patch/7854/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-11-24MIPS: Loongson: Make platform serial setup always built-in.Aaro Koskinen
If SERIAL_8250 is compiled as a module, the platform specific setup for Loongson will be a module too, and it will not work very well. At least on Loongson 3 it will trigger a build failure, since loongson_sysconf is not exported to modules. Fix by making the platform specific serial code always built-in. Signed-off-by: Aaro Koskinen <aaro.koskinen@iki.fi> Reported-by: Ralf Baechle <ralf@linux-mips.org> Cc: stable@vger.kernel.org Cc: linux-mips@linux-mips.org Cc: Huacai Chen <chenhc@lemote.com> Cc: Markos Chandras <Markos.Chandras@imgtec.com> Patchwork: https://patchwork.linux-mips.org/patch/8533/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
2014-11-24MIPS: fix EVA & non-SMP non-FPU FP context signal handlingPaul Burton
The save_fp_context & restore_fp_context pointers were being assigned to the wrong variables if either: - The kernel is configured for UP & runs on a system without an FPU, since b2ead5282885 "MIPS: Move & rename fpu_emulator_{save,restore}_context". - The kernel is configured for EVA, since ca750649e08c "MIPS: kernel: signal: Prevent save/restore FPU context in user memory". This would lead to FP context being clobbered incorrectly when setting up a sigcontext, then the garbage values being saved uselessly when returning from the signal. Fix by swapping the pointer assignments appropriately. Signed-off-by: Paul Burton <paul.burton@imgtec.com> Cc: stable@vger.kernel.org # v3.15+ Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/8230/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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