When creating the second host in h2_create(), two addresses are assigned
to the interface, but only one is deleted. When running the test twice
in a row the following error is observed:
$ ./router_bridge_vlan.sh
TEST: ping [ OK ]
TEST: ping6 [ OK ]
TEST: vlan [ OK ]
$ ./router_bridge_vlan.sh
RTNETLINK answers: File exists
TEST: ping [ OK ]
TEST: ping6 [ OK ]
TEST: vlan [ OK ]
Fix this by deleting the address during cleanup.
Fixes: 5b1e7f9ebd ("selftests: forwarding: Test routed bridge interface")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
In case the driver vetoes the addition of an IPv6 multipath route, the
IPv6 stack will emit delete notifications for the sibling routes that
were already added to the FIB trie. Since these siblings are not present
in hardware, a warning will be generated.
Have the driver ignore notifications for routes it does not have.
Fixes: ebee3cad83 ("ipv6: Add IPv6 multipath notifications for add / replace")
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Syzbot found a crash:
BUG: KMSAN: uninit-value in crc32_body lib/crc32.c:112 [inline]
BUG: KMSAN: uninit-value in crc32_le_generic lib/crc32.c:179 [inline]
BUG: KMSAN: uninit-value in __crc32c_le_base+0x4fa/0xd30 lib/crc32.c:202
Call Trace:
crc32_body lib/crc32.c:112 [inline]
crc32_le_generic lib/crc32.c:179 [inline]
__crc32c_le_base+0x4fa/0xd30 lib/crc32.c:202
chksum_update+0xb2/0x110 crypto/crc32c_generic.c:90
crypto_shash_update+0x4c5/0x530 crypto/shash.c:107
crc32c+0x150/0x220 lib/libcrc32c.c:47
sctp_csum_update+0x89/0xa0 include/net/sctp/checksum.h:36
__skb_checksum+0x1297/0x12a0 net/core/skbuff.c:2640
sctp_compute_cksum include/net/sctp/checksum.h:59 [inline]
sctp_packet_pack net/sctp/output.c:528 [inline]
sctp_packet_transmit+0x40fb/0x4250 net/sctp/output.c:597
sctp_outq_flush_transports net/sctp/outqueue.c:1146 [inline]
sctp_outq_flush+0x1823/0x5d80 net/sctp/outqueue.c:1194
sctp_outq_uncork+0xd0/0xf0 net/sctp/outqueue.c:757
sctp_cmd_interpreter net/sctp/sm_sideeffect.c:1781 [inline]
sctp_side_effects net/sctp/sm_sideeffect.c:1184 [inline]
sctp_do_sm+0x8fe1/0x9720 net/sctp/sm_sideeffect.c:1155
sctp_primitive_REQUESTHEARTBEAT+0x175/0x1a0 net/sctp/primitive.c:185
sctp_apply_peer_addr_params+0x212/0x1d40 net/sctp/socket.c:2433
sctp_setsockopt_peer_addr_params net/sctp/socket.c:2686 [inline]
sctp_setsockopt+0x189bb/0x19090 net/sctp/socket.c:4672
The issue was caused by transport->ipaddr set with uninit addr param, which
was passed by:
sctp_transport_init net/sctp/transport.c:47 [inline]
sctp_transport_new+0x248/0xa00 net/sctp/transport.c:100
sctp_assoc_add_peer+0x5ba/0x2030 net/sctp/associola.c:611
sctp_process_param net/sctp/sm_make_chunk.c:2524 [inline]
where 'addr' is set by sctp_v4_from_addr_param(), and it doesn't initialize
the padding of addr->v4.
Later when calling sctp_make_heartbeat(), hbinfo.daddr(=transport->ipaddr)
will become the part of skb, and the issue occurs.
This patch is to fix it by initializing the padding of addr->v4 in
sctp_v4_from_addr_param(), as well as other functions that do the similar
thing, and these functions shouldn't trust that the caller initializes the
memory, as Marcelo suggested.
Reported-by: syzbot+6dcbfea81cd3d4dd0b02@syzkaller.appspotmail.com
Signed-off-by: Xin Long <lucien.xin@gmail.com>
Acked-by: Neil Horman <nhorman@tuxdriver.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Fixes the issue caused by the fact that in C in the expression
of the form -1234L only 1234L is the actual literal, the unary
minus is an operation applied to the literal. Which means that
to express the lower bound for the type one has to negate the
upper bound and subtract 1.
Original error:
Expected test_data[i].expected.tv_sec == timestamp.tv_sec, but
test_data[i].expected.tv_sec == -2147483648
timestamp.tv_sec == 2147483648
1901-12-13 Lower bound of 32bit < 0 timestamp, no extra bits: msb:1
lower_bound:1 extra_bits: 0
Expected test_data[i].expected.tv_sec == timestamp.tv_sec, but
test_data[i].expected.tv_sec == 2147483648
timestamp.tv_sec == 6442450944
2038-01-19 Lower bound of 32bit <0 timestamp, lo extra sec bit on:
msb:1 lower_bound:1 extra_bits: 1
Expected test_data[i].expected.tv_sec == timestamp.tv_sec, but
test_data[i].expected.tv_sec == 6442450944
timestamp.tv_sec == 10737418240
2174-02-25 Lower bound of 32bit <0 timestamp, hi extra sec bit on:
msb:1 lower_bound:1 extra_bits: 2
not ok 1 - inode_test_xtimestamp_decoding
not ok 1 - ext4_inode_test
Reported-by: Geert Uytterhoeven <geert@linux-m68k.org>
Signed-off-by: Iurii Zaikin <yzaikin@google.com>
Tested-by: Geert Uytterhoeven <geert@linux-m68k.org>
Acked-by: Brendan Higgins <brendanhiggins@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
The MDIO node on Cygnus had an reversed #address-cells and
#size-cells properties, correct those.
Fixes: 40c26d3af6 ("ARM: dts: Cygnus: Add the ethernet switch and ethernet PHY")
Reported-by: Simon Horman <simon.horman@netronome.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Reviewed-by: Simon Horman <simon.horman@netronome.com>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Raspberry Pi's firmware has a feature to select how much memory to
reserve for its GPU called 'gpu_mem'. The possible values go from 16MB
to 944MB, with a default of 64MB. This memory resides in the topmost
part of the lower 1GB memory area and grows bigger expanding towards the
begging of memory.
It turns out that with low 'gpu_mem' values (16MB and 32MB) the size of
the memory available to the system in the lower 1GB area can outgrow the
interconnect's dma-range as its size was selected based on the maximum
system memory available given the default gpu_mem configuration. This
makes that memory slice unavailable for DMA. And may cause nasty kernel
warnings if CMA happens to include it.
Change soc's dma-ranges to really reflect it's HW limitation, which is
being able to only DMA to the lower 1GB area.
Fixes: 7dbe8c62ce ("ARM: dts: Add minimal Raspberry Pi 4 support")
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Reviewed-by: Phil Elwell <phil@raspberrypi.org>
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Adjust indentation from spaces to tab (+optional two spaces) as in
coding style with a command like:
$ sed -e 's/^ /\t/' -i */Kconfig
[ bp: make it a single line. ]
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Signed-off-by: Borislav Petkov <bp@suse.de>
Cc: James Morse <james.morse@arm.com>
Cc: linux-edac <linux-edac@vger.kernel.org>
Cc: Mauro Carvalho Chehab <mchehab@kernel.org>
Cc: Robert Richter <rrichter@marvell.com>
Cc: Tony Luck <tony.luck@intel.com>
Link: https://lkml.kernel.org/r/20191120134206.15588-1-krzk@kernel.org
Commit 9f532d26c7 ("ARM: exynos_defconfig: Trim and reorganize with
savedefconfig") removed explicit enable line for CONFIG_DEBUG_FS, because
that feature has been selected by other enabled options: CONFIG_TRACING,
which in turn had been selected by CONFIG_PERF_EVENTS and
CONFIG_PROVE_LOCKING.
In meantime, commit 0e4a459f56 ("tracing: Remove unnecessary DEBUG_FS
dependency") removed the dependency between CONFIG_DEBUG_FS and
CONFIG_TRACING, so CONFIG_DEBUG_FS is no longer enabled in default builds.
Enable it again explicitly, as debugfs support is essential for various
automated testing tools.
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Samsung SoC (S3C, S5P and Exynos) serial driver does not have dedicated
reviewing person so some patches might be missed be Samsung-related
folks (e.g. not even reaching Samsung SoC mailing list). Include them
in generic Samsung SoC maintainer entry to provide some level of
reviewing and care. This will not change handling of patches (via
serial tree).
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Cc: Jiri Slaby <jslaby@suse.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Newer versions of awk spit out these fun warnings:
awk: ../lib/raid6/unroll.awk:16: warning: regexp escape sequence `\#' is not a known regexp operator
As commit 700c1018b8 ("x86/insn: Fix awk regexp warnings") showed, it
turns out that there are a number of awk strings that do not need to be
escaped and newer versions of awk now warn about this.
Fix the string up so that no warning is produced. The exact same kernel
module gets created before and after this patch, showing that it wasn't
needed.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Link: https://lore.kernel.org/r/20191206152600.GA75093@kroah.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Fix Makefile to set safesetid-test.sh to TEST_PROGS instead
of non existing run_tests.sh.
Without this fix, I got following error.
----
TAP version 13
1..1
# selftests: safesetid: run_tests.sh
# Warning: file run_tests.sh is missing!
not ok 1 selftests: safesetid: run_tests.sh
----
Fixes: c67e8ec03f ("LSM: SafeSetID: add selftest")
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Check the return value of setuid() and setgid().
This fixes the following warnings and improves test result.
safesetid-test.c: In function ‘main’:
safesetid-test.c:294:2: warning: ignoring return value of ‘setuid’, declared with attribute warn_unused_result [-Wunused-result]
setuid(NO_POLICY_USER);
^~~~~~~~~~~~~~~~~~~~~~
safesetid-test.c:295:2: warning: ignoring return value of ‘setgid’, declared with attribute warn_unused_result [-Wunused-result]
setgid(NO_POLICY_USER);
^~~~~~~~~~~~~~~~~~~~~~
safesetid-test.c:309:2: warning: ignoring return value of ‘setuid’, declared with attribute warn_unused_result [-Wunused-result]
setuid(RESTRICTED_PARENT);
^~~~~~~~~~~~~~~~~~~~~~~~~
safesetid-test.c:310:2: warning: ignoring return value of ‘setgid’, declared with attribute warn_unused_result [-Wunused-result]
setgid(RESTRICTED_PARENT);
^~~~~~~~~~~~~~~~~~~~~~~~~
safesetid-test.c: In function ‘test_setuid’:
safesetid-test.c:216:3: warning: ignoring return value of ‘setuid’, declared with attribute warn_unused_result [-Wunused-result]
setuid(child_uid);
^~~~~~~~~~~~~~~~~
Fixes: c67e8ec03f ("LSM: SafeSetID: add selftest")
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Move -lcap to LDLIBS from CFLAGS because it is a library
to be linked.
Without this, safesetid failed to build with link error
as below.
----
/usr/bin/ld: /tmp/ccL8rZHT.o: in function `drop_caps':
safesetid-test.c:(.text+0xe7): undefined reference to `cap_get_proc'
/usr/bin/ld: safesetid-test.c:(.text+0x107): undefined reference to `cap_set_flag'
/usr/bin/ld: safesetid-test.c:(.text+0x10f): undefined reference to `cap_set_proc'
/usr/bin/ld: safesetid-test.c:(.text+0x117): undefined reference to `cap_free'
/usr/bin/ld: safesetid-test.c:(.text+0x136): undefined reference to `cap_clear'
collect2: error: ld returned 1 exit status
----
Fixes: c67e8ec03f ("LSM: SafeSetID: add selftest")
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Fix multiple kprobe event testcase to work it correctly.
There are 2 bugfixes.
- Since `wc -l FILE` returns not only line number but also
FILE filename, following "if" statement always failed.
Fix this bug by replacing it with 'cat FILE | wc -l'
- Since "while do-done loop" block with pipeline becomes a
subshell, $N local variable is not update outside of
the loop.
Fix this bug by using actual target number (256) instead
of $N.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Use relative path to trigger file instead of absolute debugfs path,
because if the user uses tracefs instead of debugfs, it can be
mounted at /sys/kernel/tracing.
Anyway, since the ftracetest is designed to be run at the tracing
directory, user doesn't need to use absolute path.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Since dynamic function tracer can be disabled, set_ftrace_filter
can be disappeared. Test cases which depends on it, must check
whether the set_ftrace_filter exists or not before testing
and if not, return as unsupported.
Also, if the function tracer itself is disabled, we can not
set "function" to current_tracer. Test cases must check it
before testing, and return as unsupported.
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
If we run ftracetest on the kernel with CONFIG_DYNAMIC_FTRACE=n,
there is no set_ftrace_filter and all test cases are failed, because
reset_ftrace_filter() returns an error.
Let's check whether set_ftrace_filter exists in reset_ftrace_filter()
and clean up only set_ftrace_notrace in initialize_ftrace().
Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org>
Reviewed-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
Update Lukasz Luba's email address to @arm.com in MAINTAINERS and map it
correctly in .mailmap file.
Signed-off-by: Lukasz Luba <lukasz.luba@arm.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
neigh_cleanup() has not been used for seven years, and was a wrong design.
Messing with shared pointer in bond_neigh_init() without proper
memory barriers would at least trigger syzbot complains eventually.
It is time to remove this stuff.
Fixes: b63b70d877 ("IPoIB: Use a private hash table for path lookup in xmit path")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
The MDIO node on BCM5301X had an reversed #address-cells and
#size-cells properties, correct those, silencing checker warnings:
.../linux/arch/arm/boot/dts/bcm4708-asus-rt-ac56u.dt.yaml: mdio@18003000: #address-cells:0:0: 1 was expected
Reported-by: Simon Horman <simon.horman@netronome.com>
Fixes: 23f1eca6d5 ("ARM: dts: BCM5301X: Specify MDIO bus in the DT")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
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Merge tag 'linux-can-fixes-for-5.5-20191208' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can
Marc Kleine-Budde says:
====================
pull-request: can 2019-12-08
this is a pull request of 13 patches for net/master.
The first two patches are by Dan Murphy. He adds himself as a maintainer to the
m-can MMIO and tcan SPI driver.
The next two patches the j1939 stack. The first one is by Oleksij Rempel and
fixes a locking problem found by the syzbot, the second one is by me an fixes a
mistake in the documentation.
Srinivas Neeli fixes missing RX CAN packets on CANFD2.0 in the xilinx driver.
Sean Nyekjaer fixes a possible deadlock in the the flexcan driver after
suspend/resume. Joakim Zhang contributes two patches for the flexcan driver
that fix problems with the low power enter/exit.
The next 4 patches all target the tcan part of the m_can driver. Sean Nyekjaer
adds the required delay after reset and fixes the device tree binding example.
Dan Murphy's patches make the wake-gpio optional.
In the last patch Xiaolong Huang fixes several kernel memory info leaks to the
USB device in the kvaser_usb_leaf driver.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
- Add NAND support for both Agilex and Stratix10 boards
- Agilex
- Add FPGA manager and Service Layer support
- Add EDAC support
- Add System manager
- Add System manager property to ethernet nodes
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Merge tag 'socfpga_dts_updates_for_v5.5_part2' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux into arm/dt
SoCFPGA DTS updates for v5.5, part 2
- Add NAND support for both Agilex and Stratix10 boards
- Agilex
- Add FPGA manager and Service Layer support
- Add EDAC support
- Add System manager
- Add System manager property to ethernet nodes
* tag 'socfpga_dts_updates_for_v5.5_part2' of git://git.kernel.org/pub/scm/linux/kernel/git/dinguyen/linux:
arm64: dts: agilex: Add SysMgr to Ethernet nodes
arm64: dts: agilex: Add SysMgr compatible
arm64: dts: agilex: Add EDAC Device Tree
arm64: dts: add NAND board files for Stratix10 and Agilex
arm64: dts: agilex: add NAND IP to base dts
Link: https://lore.kernel.org/r/20191118220559.16623-1-dinguyen@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
1. Cleanup by adjusting DTS to bindings,
2. Add touch-sensitive buttons to Midas (Galaxy S III family phones),
3. Add GPU/Mali to Exynos542x and Odroid XU3/XU4 family.
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Merge tag 'samsung-dt-5.5-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux into arm/dt
Samsung DTS ARM changes for v5.5, part 2
1. Cleanup by adjusting DTS to bindings,
2. Add touch-sensitive buttons to Midas (Galaxy S III family phones),
3. Add GPU/Mali to Exynos542x and Odroid XU3/XU4 family.
* tag 'samsung-dt-5.5-2' of https://git.kernel.org/pub/scm/linux/kernel/git/krzk/linux:
ARM: dts: exynos: Add Mali/GPU node on Exynos5420 and enable it on Odroid XU3/4
ARM: dts: exynos: Add support for the touch-sensitive buttons on Midas family
ARM: dts: exynos: Rename children of SysRAM node to "sram"
Link: https://lore.kernel.org/r/20191119142026.7190-1-krzk@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>
Switching the cpumask from topology core to OPP sharing, as the topology
core cpumask can be modified during cpu hotplug to avoid setting up
wrong cpufreq policy cpumask.
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Merge tag 'vexpress-fixes-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux into arm/fixes
ARMv7 Vexpress fixes for v5.5
Switching the cpumask from topology core to OPP sharing, as the topology
core cpumask can be modified during cpu hotplug to avoid setting up
wrong cpufreq policy cpumask.
* tag 'vexpress-fixes-5.5' of git://git.kernel.org/pub/scm/linux/kernel/git/sudeep.holla/linux:
cpufreq: vexpress-spc: Switch cpumask from topology core to OPP sharing
ARM: vexpress: Set-up shared OPP table instead of individual for each CPU
Link: https://lore.kernel.org/r/20191209140037.GC25155@bogus
Signed-off-by: Olof Johansson <olof@lixom.net>
The driver forgets to call unregister_pernet_subsys() in the error path
of cma_init().
Add the missed call to fix it.
Fixes: 4be74b42a6 ("IB/cma: Separate port allocation to network namespaces")
Signed-off-by: Chuhong Yuan <hslester96@gmail.com>
Reviewed-by: Parav Pandit <parav@mellanox.com>
Link: https://lore.kernel.org/r/20191206012426.12744-1-hslester96@gmail.com
Signed-off-by: Doug Ledford <dledford@redhat.com>
Because the BLAKE2B code went through a different tree, it was not
available at the time the btrfs part was merged. Now that the Kconfig
symbol exists, add it to the list.
Signed-off-by: David Sterba <dsterba@suse.com>
With cross-server COPY we've introduced the possibility that the current
or saved filehandle might not have fh_dentry/fh_export filled in, but we
missed a place that assumed it was. I think this could be triggered by
a compound like:
PUTFH(foreign filehandle)
GETATTR
SAVEFH
COPY
First, check_if_stalefh_allowed sets no_verify on the first (PUTFH) op.
Then op_func = nfsd4_putfh runs and leaves current_fh->fh_export NULL.
need_wrongsec_check returns true, since this PUTFH has OP_IS_PUTFH_LIKE
set and GETATTR does not have OP_HANDLES_WRONGSEC set.
We should probably also consider tightening the checks in
check_if_stalefh_allowed and double-checking that we don't assume the
filehandle is verified elsewhere in the compound. But I think this
fixes the immediate issue.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 4e48f1cccab3 "NFSD: allow inter server COPY to have... "
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Static checker revealed possible error path leading to possible
NULL pointer dereferencing.
Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: e0639dc580: ("NFSD introduce async copy feature")
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
There is mismatch between __be32 and u32 in nfserr and errno.
Reported-by: kbuild test robot <lkp@intel.com>
Fixes: d5e54eeb0e3d ("NFSD add nfs4 inter ssc to nfsd4_copy")
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
s_stid->si_generation is a u32, copy->stateid.seqid is a __be32, so we
should be byte-swapping here if necessary.
This effectively undoes the byte-swap performed when reading
s_stid->s_generation in nfsd4_decode_copy(). Without this second swap,
the stateid we sent to the source in READ could be different from the
one the client provided us in the COPY. We didn't spot this in testing
since our implementation always uses a 0 in the seqid field. But other
implementations might not do that.
You'd think we should just skip the byte-swapping entirely, but the
s_stid field can be used for either our own stateids (in the
intra-server case) or foreign stateids (in the inter-server case), and
the former are interpreted by us and need byte-swapping.
Reported-by: kbuild test robot <lkp@intel.com>
Fixes: d5e54eeb0e3d ("NFSD add nfs4 inter ssc to nfsd4_copy")
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Fix __be32 and u32 mismatch in return and assignment.
Reported-by: kbuild test robot <lkp@intel.com>
Fixes: dbd4c2dd8f13 ("NFSD add COPY_NOTIFY operation")
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
We are holding the "nn->s2s_cp_lock" so we can't return directly
without unlocking first.
Fixes: f3dee17721a0 ("NFSD check stateids against copy stateids")
Signed-off-by: Dan Carpenter <dan.carpenter@oracle.com>
Signed-off-by: J. Bruce Fields <bfields@redhat.com>
Given a universal address, mount the source server from the destination
server. Use an internal mount. Call the NFS client nfs42_ssc_open to
obtain the NFS struct file suitable for nfsd_copy_range.
Ability to do "inter" server-to-server depends on the an nfsd kernel
parameter "inter_copy_offload_enable".
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
The inter server to server COPY source server filehandle
is a foreign filehandle as the COPY is sent to the destination
server.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Incoming stateid (used by a READ) could be a saved copy stateid.
Using the provided stateid, look it up in the list of copy_notify
stateids. If found, use the parent's stateid and parent's clid
to look up the parent's stid to do the appropriate checks.
Update the copy notify timestamp (cpntf_time) with current time
this making it 'active' so that laundromat thread will not delete
copy notify state.
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Introducing the COPY_NOTIFY operation.
Create a new unique stateid that will keep track of the copy
state and the upcoming READs that will use that stateid.
Each associated parent stateid has a list of copy
notify stateids. A copy notify structure makes a copy of
the parent stateid and a clientid and will use it to look
up the parent stateid during the READ request (suggested
by Trond Myklebust <trond.myklebust@hammerspace.com>).
At nfs4_put_stid() time, we walk the list of the associated
copy notify stateids and delete them.
Laundromat thread will traverse globally stored copy notify
stateid in idr and notice if any haven't been referenced in the
lease period, if so, it'll remove them.
Return single netaddr to advertise to the copy.
Suggested-by: Trond Myklebust <trond.myklebust@hammerspace.com>
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Signed-off-by: Andy Adamson <andros@netapp.com>
Decode the ca_source_server list that's sent but only use the
first one. Presence of non-zero list indicates an "inter" copy.
Signed-off-by: Andy Adamson <andros@netapp.com>
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
nfs.4 defines nfs42_netaddr structure that represents netloc4.
Populate needed fields from the sockaddr structure.
This will be used by flexfiles and 4.2 inter copy
Signed-off-by: Olga Kornievskaia <kolga@netapp.com>
Make the AFS dynamic root superblock R/W so that SELinux can set the
security label on it. Without this, upgrades to, say, the Fedora
filesystem-afs RPM fail if afs is mounted on it because the SELinux label
can't be (re-)applied.
It might be better to make it possible to bypass the R/O check for LSM
label application through setxattr.
Fixes: 4d673da145 ("afs: Support the AFS dynamic root")
Signed-off-by: David Howells <dhowells@redhat.com>
Reviewed-by: Marc Dionne <marc.dionne@auristor.com>
cc: selinux@vger.kernel.org
cc: linux-security-module@vger.kernel.org
intel_hdcp_transcoder_config() is clobbering some globally visible
state in .compute_config(). That is a big no no as .compute_config()
is supposed to have no visible side effects when either the commit
fails or it's just a TEST_ONLY commit.
Inline this stuff into intel_hdcp_enable() so that the state only
gets modified when we actually commit the state to the hardware.
Cc: Ramalingam C <ramalingam.c@intel.com>
Cc: Jani Nikula <jani.nikula@intel.com>
Cc: Uma Shankar <uma.shankar@intel.com>
Fixes: 39e2df090c ("drm/i915/hdcp: update current transcoder into intel_hdcp")
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20191204180549.1267-2-ville.syrjala@linux.intel.com
Reviewed-by: Ramalingam C <ramalingam.c@intel.com>
Commit ae24f2b6f8 ("MAINTAINERS: add myself as maintainer of Cadence I3C
master controller driver") slips in some formatting with spaces instead of
tabs, which ./scripts/checkpatch.pl -f MAINTAINERS complains about:
#7838: FILE: MAINTAINERS:7838:
M: Przemysław Gaj <pgaj@cadence.com>
WARNING: MAINTAINERS entries use one tab after TYPE:
#7839: FILE: MAINTAINERS:7839:
S: Maintained
WARNING: MAINTAINERS entries use one tab after TYPE:
#7840: FILE: MAINTAINERS:7840:
F: Documentation/devicetree/bindings/i3c/cdns,i3c-master.txt
WARNING: MAINTAINERS entries use one tab after TYPE:
#7841: FILE: MAINTAINERS:7841:
F: drivers/i3c/master/i3c-master-cdns.c
Fixes: ae24f2b6f8 ("MAINTAINERS: add myself as maintainer of Cadence I3C master controller driver")
Signed-off-by: Lukas Bulwahn <lukas.bulwahn@gmail.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
i3c_bus_set_mode function is only used in master.c.
Make it static to avoid warning when compiling with W=1.
Signed-off-by: Benjamin Gaignard <benjamin.gaignard@st.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
This patch adds support for THD_DEL (Data Hold Delay) to Cadence
I3C master constoller driver.
As per MIPI I3C Specification 1.0, Table 75 (page 142) defines
non-zero minimal tHD_PP timing on master output (Fig 65). This
setting allows to meet this timing on master's soc outputs,
regardless of PCB balancing.
Signed-off-by: Przemyslaw Gaj <pgaj@cadence.com>
Signed-off-by: Boris Brezillon <boris.brezillon@collabora.com>
afs_find_server tries to find a server that has an address that
matches the transport address of an rxrpc peer. The code assumes
that the transport address is always ipv6, with ipv4 represented
as ipv4 mapped addresses, but that's not the case. If the transport
family is AF_INET, srx->transport.sin6.sin6_addr.s6_addr32[] will
be beyond the actual ipv4 address and will always be 0, and all
ipv4 addresses will be seen as matching.
As a result, the first ipv4 address seen on any server will be
considered a match, and the server returned may be the wrong one.
One of the consequences is that callbacks received over ipv4 will
only be correctly applied for the server that happens to have the
first ipv4 address on the fs_addresses4 list. Callbacks over ipv4
from all other servers are dropped, causing the client to serve stale
data.
This is fixed by looking at the transport family, and comparing ipv4
addresses based on a sockaddr_in structure rather than a sockaddr_in6.
Fixes: d2ddc776a4 ("afs: Overhaul volume and server record caching and fileserver rotation")
Signed-off-by: Marc Dionne <marc.dionne@auristor.com>
Signed-off-by: David Howells <dhowells@redhat.com>
The SFP cages are designed to support up to 3W modules, such as G.hn,
G.fast and MoCA modules. Although there is no way for such modules to
declare to software that they consume 3W, we document in DT that this
is the designed power level for these cages.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
The I2C bus violates the timing specifications when run in fast mode
on the uDPU, so switch to 100kHz mode.
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
The uDPU uses both ethernet controllers, which ties up COMPHY 0 for
eth1 and COMPHY 1 for eth0, with no USB3 comphy. The addition of
COMPHY support made the kernel override the setup by the boot loader
breaking this platform by assuming that COMPHY 0 was always used for
USB3. Delete the USB3 COMPHY definition at platform level, and add
phy specifications for the ethernet channels.
Fixes: bd3d25b073 ("arm64: dts: marvell: armada-37xx: link USB hosts with their PHYs")
Signed-off-by: Russell King <rmk+kernel@armlinux.org.uk>
Signed-off-by: Gregory CLEMENT <gregory.clement@bootlin.com>
