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Supporting rebind, i.e. after a successful bind the process can call
bind again without closing the socket, makes the AF_XDP setup state
machine more complex. Constrain the state space, by not supporting
rebind.
Signed-off-by: Björn Töpel <bjorn.topel@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Since 6335698e24ec11e1324b916177da6721df724dd8 the radio with idx of 0
will not get dumped in HWSIM_CMD_GET_RADIO because of the last_idx
checks. Offset cb->args[0] by 1 similarly to what is done in nl80211.c.
Fixes: 6335698e24ec ("mac80211_hwsim: add generation count for netlink dump operation")
Signed-off-by: Andrew Zaborowski <andrew.zaborowski@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Some drivers may call this function when regdb is not initialized yet,
so we need to make sure regdb is valid before trying to access it.
Make sure regdb is initialized before trying to access it in
reg_query_regdb_wmm() and query_regdb().
Reported-by: Eric Biggers <ebiggers3@gmail.com>
Signed-off-by: Haim Dreyfuss <haim.dreyfuss@intel.com>
Signed-off-by: Luca Coelho <luciano.coelho@intel.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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Commit 7ea3e110f2f8ba23f330c2f702f556acd539bcb8 seems to have
introduced:
net/wireless/nl80211.c: In function ‘nl80211_get_station’:
net/wireless/nl80211.c:4802:34: error: incompatible type for argument 1 of ‘cfg80211_sinfo_release_content’
cfg80211_sinfo_release_content(sinfo);
^~~~~
In file included from net/wireless/nl80211.c:24:0:
./include/net/cfg80211.h:5721:20: note: expected ‘struct station_info *’ but argument is of type ‘struct station_info’
static inline void cfg80211_sinfo_release_content(struct station_info *sinfo)
^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Fixes: 7ea3e110f2f8 ("cfg80211: release station info tidstats where needed")
Signed-off-by: Denis Kenzior <denkenz@gmail.com>
Signed-off-by: Johannes Berg <johannes.berg@intel.com>
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On some CPUs we can prevent a vulnerability related to store-to-load
forwarding by preventing store forwarding between privilege domains,
by inserting a barrier in kernel entry and exit paths.
This is known to be the case on at least Power7, Power8 and Power9
powerpc CPUs.
Barriers must be inserted generally before the first load after moving
to a higher privilege, and after the last store before moving to a
lower privilege, HV and PR privilege transitions must be protected.
Barriers are added as patch sections, with all kernel/hypervisor entry
points patched, and the exit points to lower privilge levels patched
similarly to the RFI flush patching.
Firmware advertisement is not implemented yet, so CPU flush types
are hard coded.
Thanks to Michal Suchánek for bug fixes and review.
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Signed-off-by: Mauricio Faria de Oliveira <mauricfo@linux.vnet.ibm.com>
Signed-off-by: Michael Neuling <mikey@neuling.org>
Signed-off-by: Michal Suchánek <msuchanek@suse.de>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Single regression fix for rcar-du lvds
* 'drm/du/fixes' of git://linuxtv.org/pinchartl/media:
drm: rcar-du: lvds: Fix crash in .atomic_check when disabling connector
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git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Two driver fixes (zfcp and target core), one information leak in sg
and one build clean up"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: sg: allocate with __GFP_ZERO in sg_build_indirect()
scsi: core: clean up generated file scsi_devinfo_tbl.c
scsi: target: tcmu: fix error resetting qfull_time_out to default
scsi: zfcp: fix infinite iteration on ERP ready list
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Florian Fainelli says:
====================
TI Ethernet driver warnings fixes
This patch series attempts to fix properly the warnings observed with turning
on COMPILE_TEST and TI Ethernet drivers on 64-bit hosts.
Since I don't have any of this hardware, please review carefully for possible
breakage!
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that we can compile test this driver on 64-bit hosts, we get some
warnings about how a pointer/address is written/read to/from a register
(sw_token). Fix this by doing the appropriate conversions, we cannot
possibly have the driver work on 64-bit hosts the way the tokens are
managed though, since the registers being written to a 32-bit only.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Use %pa which is the correct formatter to print a physical address,
instead of %p which is just a pointer.
Fixes: a6286ee630f6 ("net: Add TI DaVinci EMAC driver")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When building on a 64-bit host we will get the following warning:
drivers/net/ethernet/ti/cpsw.c: In function 'cpsw_add_ch_strings':
drivers/net/ethernet/ti/cpsw.c:1284:19: warning: format '%d' expects
argument of type 'int', but argument 5 has type 'long unsigned int'
[-Wformat=]
"%s DMA chan %d: %s", rx_dir ? "Rx" : "Tx",
~^
%ld
Fix this by using an %ld format and casting to long.
Fixes: e05107e6b747 ("net: ethernet: ti: cpsw: add multi queue support")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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On 64-bit hosts we will get the following warning:
drivers/net/ethernet/ti/cpts.c: In function 'cpts_overflow_check':
drivers/net/ethernet/ti/cpts.c:297:11: warning: format '%lld' expects
argument of type 'long long int', but argument 3 has type
'__kernel_time_t {aka long int}' [-Wformat=]
pr_debug("cpts overflow check at %lld.%09lu\n", ts.tv_sec,
ts.tv_nsec);
Fix this by using an appropriate casting that works on all bit sizes.
Fixes: a5c79c26e168 ("ptp: cpts: convert to the 64 bit get/set time methods.")
Fixes: 87c0e764d43a ("cpts: introduce time stamping code and a PTP hardware clock.")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Now that we can compile davinci_cpdma.c on 64-bit hosts, we can see that
the format used for printing a size_t type is incorrect, use %zd
accordingly.
Fixes: aeec3021043b ("net: ethernet: ti: cpdma: remove used_desc counter")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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S390 bpf_jit.S is removed in net-next and had changes in 'net',
since that code isn't used any more take the removal.
TLS data structures split the TX and RX components in 'net-next',
put the new struct members from the bug fix in 'net' into the RX
part.
The 'net-next' tree had some reworking of how the ERSPAN code works in
the GRE tunneling code, overlapping with a one-line headroom
calculation fix in 'net'.
Overlapping changes in __sock_map_ctx_update_elem(), keep the bits
that read the prog members via READ_ONCE() into local variables
before using them.
Signed-off-by: David S. Miller <davem@davemloft.net>
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Pull vfs fixes from Al Viro:
"Assorted fixes all over the place"
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
aio: fix io_destroy(2) vs. lookup_ioctx() race
ext2: fix a block leak
nfsd: vfs_mkdir() might succeed leaving dentry negative unhashed
cachefiles: vfs_mkdir() might succeed leaving dentry negative unhashed
unfuck sysfs_mount()
kernfs: deal with kernfs_fill_super() failures
cramfs: Fix IS_ENABLED typo
befs_lookup(): use d_splice_alias()
affs_lookup: switch to d_splice_alias()
affs_lookup(): close a race with affs_remove_link()
fix breakage caused by d_find_alias() semantics change
fs: don't scan the inode cache before SB_BORN is set
do d_instantiate/unlock_new_inode combinations safely
iov_iter: fix memory leak in pipe_get_pages_alloc()
iov_iter: fix return type of __pipe_get_pages()
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When a loop block device encounters a writeback error, that error will
get propagated to the bd_inode's wb_err field. If we then detach the
backing file from it, attach another and fsync it, we'll get back the
writeback error that we had from the previous backing file.
This is a bit of a grey area as POSIX doesn't cover loop devices, but it
is somewhat counterintuitive.
If we detach a backing file from the loopdev while there are still
unreported errors, take it as a sign that we're no longer interested in
the previous file, and clear out the wb_err in the loop blockdev.
Reported-and-Tested-by: Theodore Y. Ts'o <tytso@mit.edu>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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kill_ioctx() used to have an explicit RCU delay between removing the
reference from ->ioctx_table and percpu_ref_kill() dropping the refcount.
At some point that delay had been removed, on the theory that
percpu_ref_kill() itself contained an RCU delay. Unfortunately, that was
the wrong kind of RCU delay and it didn't care about rcu_read_lock() used
by lookup_ioctx(). As the result, we could get ctx freed right under
lookup_ioctx(). Tejun has fixed that in a6d7cff472e ("fs/aio: Add explicit
RCU grace period when freeing kioctx"); however, that fix is not enough.
Suppose io_destroy() from one thread races with e.g. io_setup() from another;
CPU1 removes the reference from current->mm->ioctx_table[...] just as CPU2
has picked it (under rcu_read_lock()). Then CPU1 proceeds to drop the
refcount, getting it to 0 and triggering a call of free_ioctx_users(),
which proceeds to drop the secondary refcount and once that reaches zero
calls free_ioctx_reqs(). That does
INIT_RCU_WORK(&ctx->free_rwork, free_ioctx);
queue_rcu_work(system_wq, &ctx->free_rwork);
and schedules freeing the whole thing after RCU delay.
In the meanwhile CPU2 has gotten around to percpu_ref_get(), bumping the
refcount from 0 to 1 and returned the reference to io_setup().
Tejun's fix (that queue_rcu_work() in there) guarantees that ctx won't get
freed until after percpu_ref_get(). Sure, we'd increment the counter before
ctx can be freed. Now we are out of rcu_read_lock() and there's nothing to
stop freeing of the whole thing. Unfortunately, CPU2 assumes that since it
has grabbed the reference, ctx is *NOT* going away until it gets around to
dropping that reference.
The fix is obvious - use percpu_ref_tryget_live() and treat failure as miss.
It's not costlier than what we currently do in normal case, it's safe to
call since freeing *is* delayed and it closes the race window - either
lookup_ioctx() comes before percpu_ref_kill() (in which case ctx->users
won't reach 0 until the caller of lookup_ioctx() drops it) or lookup_ioctx()
fails, ctx->users is unaffected and caller of lookup_ioctx() doesn't see
the object in question at all.
Cc: stable@kernel.org
Fixes: a6d7cff472e "fs/aio: Add explicit RCU grace period when freeing kioctx"
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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open file, unlink it, then use ioctl(2) to make it immutable or
append only. Now close it and watch the blocks *not* freed...
Immutable/append-only checks belong in ->setattr().
Note: the bug is old and backport to anything prior to 737f2e93b972
("ext2: convert to use the new truncate convention") will need
these checks lifted into ext2_setattr().
Cc: stable@kernel.org
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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That can (and does, on some filesystems) happen - ->mkdir() (and thus
vfs_mkdir()) can legitimately leave its argument negative and just
unhash it, counting upon the lookup to pick the object we'd created
next time we try to look at that name.
Some vfs_mkdir() callers forget about that possibility...
Acked-by: J. Bruce Fields <bfields@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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That can (and does, on some filesystems) happen - ->mkdir() (and thus
vfs_mkdir()) can legitimately leave its argument negative and just
unhash it, counting upon the lookup to pick the object we'd created
next time we try to look at that name.
Some vfs_mkdir() callers forget about that possibility...
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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new_sb is left uninitialized in case of early failures in kernfs_mount_ns(),
and while IS_ERR(root) is true in all such cases, using IS_ERR(root) || !new_sb
is not a solution - IS_ERR(root) is true in some cases when new_sb is true.
Make sure new_sb is initialized (and matches the reality) in all cases and
fix the condition for dropping kobj reference - we want it done precisely
in those situations where the reference has not been transferred into a new
super_block instance.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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make sure that info->node is initialized early, so that kernfs_kill_sb()
can list_del() it safely.
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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There's an extra C here...
Fixes: 99c18ce580c6 ("cramfs: direct memory access support")
Acked-by: Nicolas Pitre <nico@linaro.org>
Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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RTFS(Documentation/filesystems/nfs/Exporting) if you try to make
something exportable.
Fixes: ac632f5b6301 "befs: add NFS export support"
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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Making something exportable takes more than providing ->s_export_ops.
In particular, ->lookup() *MUST* use d_splice_alias() instead of
d_add().
Reading Documentation/filesystems/nfs/Exporting would've been a good idea;
as it is, exporting AFFS is badly (and exploitably) broken.
Partially-Fixes: ed4433d72394 "fs/affs: make affs exportable"
Acked-by: David Sterba <dsterba@suse.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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we unlock the directory hash too early - if we are looking at secondary
link and primary (in another directory) gets removed just as we unlock,
we could have the old primary moved in place of the secondary, leaving
us to look into freed entry (and leaving our dentry with ->d_fsdata
pointing to a freed entry).
Cc: stable@vger.kernel.org # 2.4.4+
Acked-by: David Sterba <dsterba@suse.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Merge speculative store buffer bypass fixes from Thomas Gleixner:
- rework of the SPEC_CTRL MSR management to accomodate the new fancy
SSBD (Speculative Store Bypass Disable) bit handling.
- the CPU bug and sysfs infrastructure for the exciting new Speculative
Store Bypass 'feature'.
- support for disabling SSB via LS_CFG MSR on AMD CPUs including
Hyperthread synchronization on ZEN.
- PRCTL support for dynamic runtime control of SSB
- SECCOMP integration to automatically disable SSB for sandboxed
processes with a filter flag for opt-out.
- KVM integration to allow guests fiddling with SSBD including the new
software MSR VIRT_SPEC_CTRL to handle the LS_CFG based oddities on
AMD.
- BPF protection against SSB
.. this is just the core and x86 side, other architecture support will
come separately.
* 'speck-v20' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (49 commits)
bpf: Prevent memory disambiguation attack
x86/bugs: Rename SSBD_NO to SSB_NO
KVM: SVM: Implement VIRT_SPEC_CTRL support for SSBD
x86/speculation, KVM: Implement support for VIRT_SPEC_CTRL/LS_CFG
x86/bugs: Rework spec_ctrl base and mask logic
x86/bugs: Remove x86_spec_ctrl_set()
x86/bugs: Expose x86_spec_ctrl_base directly
x86/bugs: Unify x86_spec_ctrl_{set_guest,restore_host}
x86/speculation: Rework speculative_store_bypass_update()
x86/speculation: Add virtualized speculative store bypass disable support
x86/bugs, KVM: Extend speculation control for VIRT_SPEC_CTRL
x86/speculation: Handle HT correctly on AMD
x86/cpufeatures: Add FEATURE_ZEN
x86/cpufeatures: Disentangle SSBD enumeration
x86/cpufeatures: Disentangle MSR_SPEC_CTRL enumeration from IBRS
x86/speculation: Use synthetic bits for IBRS/IBPB/STIBP
KVM: SVM: Move spec control call after restore of GS
x86/cpu: Make alternative_msr_write work for 32-bit code
x86/bugs: Fix the parameters alignment and missing void
x86/bugs: Make cpu_show_common() static
...
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We're casting the CDROM layer request_sense to the SCSI sense
buffer, but the former is 64 bytes and the latter is 96 bytes.
As we generally allocate these on the stack, we end up blowing
up the stack.
Fix this by wrapping the scsi_execute() call with a properly
sized sense buffer, and copying back the bits for the CDROM
layer.
Cc: stable@vger.kernel.org
Reported-by: Piotr Gabriel Kosinski <pg.kosinski@gmail.com>
Reported-by: Daniel Shapira <daniel@twistlock.com>
Tested-by: Kees Cook <keescook@chromium.org>
Fixes: 82ed4db499b8 ("block: split scsi_request out of struct request")
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Otherwise modules that use these arithmetic operations will fail to
link. We accomplish this with the usual EXPORT_SYMBOL, which on most
architectures goes in the .S file but the ARM64 maintainers prefer that
insead it goes into arm64ksyms.
While we're at it, we also fix this up to use SPDX, and I personally
choose to relicense this as GPL2||BSD so that these symbols don't need
to be export_symbol_gpl, so all modules can use the routines, since
these are important general purpose compiler-generated function calls.
Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>
Reported-by: PaX Team <pageexec@freemail.hu>
Cc: stable@vger.kernel.org
Signed-off-by: Will Deacon <will.deacon@arm.com>
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For LSE atomics that read and write a register operand, we need to
ensure that these operands are annotated as "early clobber" if the
register is written before all of the input operands have been consumed.
Failure to do so can result in the compiler allocating the same register
to both operands, leading to splats such as:
Unable to handle kernel paging request at virtual address 11111122222221
[...]
x1 : 1111111122222222 x0 : 1111111122222221
Process swapper/0 (pid: 1, stack limit = 0x000000008209f908)
Call trace:
test_atomic64+0x1360/0x155c
where x0 has been allocated as both the value to be stored and also the
atomic_t pointer.
This patch adds the missing clobbers.
Cc: <stable@vger.kernel.org>
Cc: Dave Martin <dave.martin@arm.com>
Cc: Robin Murphy <robin.murphy@arm.com>
Reported-by: Mark Salter <msalter@redhat.com>
Signed-off-by: Will Deacon <will.deacon@arm.com>
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Fix below build warning:
WARNING: vmlinux.o(.text+0x422bb8): Section mismatch in reference from
the function vmcore_add_device_dump() to the function
.init.text:get_vmcore_size.constprop.5()
The function vmcore_add_device_dump() references
the function __init get_vmcore_size.constprop.5().
This is often because vmcore_add_device_dump lacks a __init
annotation or the annotation of get_vmcore_size.constprop.5 is wrong.
Fixes: 7efe48df8a3d ("vmcore: append device dumps to vmcore as elf notes")
Signed-off-by: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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immdlen field of FW_ETH_TX_PKT_WR is filled in a wrong way,
we must copy the length of all the cpls encapsulated in fw
work request. In the xmit path we missed adding the length
of CPL_TX_PKT_CORE but we added the length of WR_HDR and it
worked because WR_HDR and CPL_TX_PKT_CORE are of same length.
Add the length of cpl_tx_pkt_core not WR_HDR's. This also
fixes the lso cpl errors for udp tunnels
Fixes: d0a1299c6bf7 ("cxgb4: add support for vxlan segmentation offload")
Signed-off-by: Ganesh Goudar <ganeshgr@chelsio.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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A number of entries were not alphabetically sorted, remedy that.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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If CONFIG_GPIOLIB is disabled, gpiod_put() becomes a stub that produces a
warning, this helped identify that we could be attempting to release a NULL
pl->link_gpio GPIO descriptor, so guard against that.
Fixes: daab3349ad1a ("net: phy: phylink: Release link GPIO")
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Reviewed-by: Andrew Lunn <andrew@lunn.ch>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips
Pull MIPS fixes from James Hogan:
- fix build with DEBUG_ZBOOT and MACH_JZ4770 (4.16)
- include xilfpga FDT in fitImage and stop generating dtb.o (4.15)
- fix software IO coherence on CM SMP systems (4.8)
- ptrace: Fix PEEKUSR/POKEUSR to o32 FGRs (3.14)
- ptrace: Expose FIR register through FP regset (3.13)
- fix typo in KVM debugfs file name (3.10)
* tag 'mips_fixes_4.17_2' of git://git.kernel.org/pub/scm/linux/kernel/git/jhogan/mips:
MIPS: Fix ptrace(2) PTRACE_PEEKUSR and PTRACE_POKEUSR accesses to o32 FGRs
MIPS: xilfpga: Actually include FDT in fitImage
MIPS: xilfpga: Stop generating useless dtb.o
KVM: Fix spelling mistake: "cop_unsuable" -> "cop_unusable"
MIPS: ptrace: Expose FIR register through FP regset
MIPS: Fix build with DEBUG_ZBOOT and MACH_JZ4770
MIPS: c-r4k: Fix data corruption related to cache coherence
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Pull networking fixes from David Miller:
1) Fix refcounting bug for connections in on-packet scheduling mode of
IPVS, from Julian Anastasov.
2) Set network header properly in AF_PACKET's packet_snd, from Willem
de Bruijn.
3) Fix regressions in 3c59x by converting to generic DMA API. It was
relying upon the hack that the PCI DMA interfaces would accept NULL
for EISA devices. From Christoph Hellwig.
4) Remove RDMA devices before unregistering netdev in QEDE driver, from
Michal Kalderon.
5) Use after free in TUN driver ptr_ring usage, from Jason Wang.
6) Properly check for missing netlink attributes in SMC_PNETID
requests, from Eric Biggers.
7) Set DMA mask before performaing any DMA operations in vmxnet3
driver, from Regis Duchesne.
8) Fix mlx5 build with SMP=n, from Saeed Mahameed.
9) Classifier fixes in bcm_sf2 driver from Florian Fainelli.
10) Tuntap use after free during release, from Jason Wang.
11) Don't use stack memory in scatterlists in tls code, from Matt
Mullins.
12) Not fully initialized flow key object in ipv4 routing code, from
David Ahern.
13) Various packet headroom bug fixes in ip6_gre driver, from Petr
Machata.
14) Remove queues from XPS maps using correct index, from Amritha
Nambiar.
15) Fix use after free in sock_diag, from Eric Dumazet.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (64 commits)
net: ip6_gre: fix tunnel metadata device sharing.
cxgb4: fix offset in collecting TX rate limit info
net: sched: red: avoid hashing NULL child
sock_diag: fix use-after-free read in __sk_free
sh_eth: Change platform check to CONFIG_ARCH_RENESAS
net: dsa: Do not register devlink for unused ports
net: Fix a bug in removing queues from XPS map
bpf: fix truncated jump targets on heavy expansions
bpf: parse and verdict prog attach may race with bpf map update
bpf: sockmap update rollback on error can incorrectly dec prog refcnt
net: test tailroom before appending to linear skb
net: ip6_gre: Fix ip6erspan hlen calculation
net: ip6_gre: Split up ip6gre_changelink()
net: ip6_gre: Split up ip6gre_newlink()
net: ip6_gre: Split up ip6gre_tnl_change()
net: ip6_gre: Split up ip6gre_tnl_link_config()
net: ip6_gre: Fix headroom request in ip6erspan_tunnel_xmit()
net: ip6_gre: Request headroom in __gre6_xmit()
selftests/bpf: check return value of fopen in test_verifier.c
erspan: fix invalid erspan version.
...
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While whitelisting Micron M500DC drives, the tweaked blacklist entry
enabled queued TRIM from M500IT variants also. But these do not support
queued TRIM. And while using those SSDs with the latest kernel we have
seen errors and even the partition table getting corrupted.
Some part from the dmesg:
[ 6.727384] ata1.00: ATA-9: Micron_M500IT_MTFDDAK060MBD, MU01, max UDMA/133
[ 6.727390] ata1.00: 117231408 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
[ 6.741026] ata1.00: supports DRM functions and may not be fully accessible
[ 6.759887] ata1.00: configured for UDMA/133
[ 6.762256] scsi 0:0:0:0: Direct-Access ATA Micron_M500IT_MT MU01 PQ: 0 ANSI: 5
and then for the error:
[ 120.860334] ata1.00: exception Emask 0x1 SAct 0x7ffc0007 SErr 0x0 action 0x6 frozen
[ 120.860338] ata1.00: irq_stat 0x40000008
[ 120.860342] ata1.00: failed command: SEND FPDMA QUEUED
[ 120.860351] ata1.00: cmd 64/01:00:00:00:00/00:00:00:00:00/a0 tag 0 ncq dma 512 out
res 40/00:00:00:00:00/00:00:00:00:00/00 Emask 0x5 (timeout)
[ 120.860353] ata1.00: status: { DRDY }
[ 120.860543] ata1: hard resetting link
[ 121.166128] ata1: SATA link up 3.0 Gbps (SStatus 123 SControl 300)
[ 121.166376] ata1.00: supports DRM functions and may not be fully accessible
[ 121.186238] ata1.00: supports DRM functions and may not be fully accessible
[ 121.204445] ata1.00: configured for UDMA/133
[ 121.204454] ata1.00: device reported invalid CHS sector 0
[ 121.204541] sd 0:0:0:0: [sda] tag#18 UNKNOWN(0x2003) Result: hostbyte=0x00 driverbyte=0x08
[ 121.204546] sd 0:0:0:0: [sda] tag#18 Sense Key : 0x5 [current]
[ 121.204550] sd 0:0:0:0: [sda] tag#18 ASC=0x21 ASCQ=0x4
[ 121.204555] sd 0:0:0:0: [sda] tag#18 CDB: opcode=0x93 93 08 00 00 00 00 00 04 28 80 00 00 00 30 00 00
[ 121.204559] print_req_error: I/O error, dev sda, sector 272512
After few reboots with these errors, and the SSD is corrupted.
After blacklisting it, the errors are not seen and the SSD does not get
corrupted any more.
Fixes: 243918be6393 ("libata: Do not blacklist Micron M500DC")
Cc: Martin K. Petersen <martin.petersen@oracle.com>
Cc: stable@vger.kernel.org
Signed-off-by: Sudip Mukherjee <sudipm.mukherjee@gmail.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
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The SDHCI_QUIRK2_HOST_OFF_CARD_ON is needed for the driver to
properly reset the host controller (reset all) on initialization
after exiting deep sleep.
Signed-off-by: Corneliu Doban <corneliu.doban@broadcom.com>
Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Reviewed-by: Srinath Mannam <srinath.mannam@broadcom.com>
Fixes: c833e92bbb60 ("mmc: sdhci-iproc: support standard byte register accesses")
Cc: stable@vger.kernel.org # v4.10+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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When the host controller accepts only 32bit writes, the value of the
16bit TRANSFER_MODE register, that has the same 32bit address as the
16bit COMMAND register, needs to be saved and it will be written
in a 32bit write together with the command as this will trigger the
host to send the command on the SD interface.
When sending the tuning command, TRANSFER_MODE is written and then
sdhci_set_transfer_mode reads it back to clear AUTO_CMD12 bit and
write it again resulting in wrong value to be written because the
initial write value was saved in a shadow and the read-back returned
a wrong value, from the register.
Fix sdhci_iproc_readw to return the saved value of TRANSFER_MODE
when a saved value exist.
Same fix for read of BLOCK_SIZE and BLOCK_COUNT registers, that are
saved for a different reason, although a scenario that will cause the
mentioned problem on this registers is not probable.
Fixes: b580c52d58d9 ("mmc: sdhci-iproc: add IPROC SDHCI driver")
Signed-off-by: Corneliu Doban <corneliu.doban@broadcom.com>
Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Cc: stable@vger.kernel.org # v4.1+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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Remove hard coded mmc cap 1.8v from platform data as it is board specific.
The 1.8v DDR mmc caps can be enabled using DTS property for those
boards that support it.
Fixes: b17b4ab8ce38 ("mmc: sdhci-iproc: define MMC caps in platform data")
Signed-off-by: Srinath Mannam <srinath.mannam@broadcom.com>
Signed-off-by: Scott Branden <scott.branden@broadcom.com>
Reviewed-by: Ray Jui <ray.jui@broadcom.com>
Cc: stable@vger.kernel.org # v4.8+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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In commit 97548575bef3 ("mmc: block: Convert RPMB to a character device") a
new function `mmc_rpmb_ioctl` was added. The final return is simply
returning a value of `0` instead of propagating the correct return code.
Discovered during a compilation with W=1, silence the following gcc warning
drivers/mmc/core/block.c:2470:6: warning: variable ‘ret’ set but not used
[-Wunused-but-set-variable]
Signed-off-by: Mathieu Malaterre <malat@debian.org>
Reviewed-by: Shawn Lin <shawn.lin@rock-chips.com>
Fixes: 97548575bef3 ("mmc: block: Convert RPMB to a character device")
Cc: stable@vger.kernel.org # v4.15+
Signed-off-by: Ulf Hansson <ulf.hansson@linaro.org>
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In mv88e6xxx_probe(), ("np" or "pdata") might be an invariant
but GCC can't see that, therefore:
drivers/net/dsa/mv88e6xxx/chip.c: In function ‘mv88e6xxx_probe’:
drivers/net/dsa/mv88e6xxx/chip.c:4420:13: warning: ‘compat_info’ may be used uninitialized in this function [-Wmaybe-uninitialized]
chip->info = compat_info;
Actually, it should have warned on the "if (!compat_info)" test, but
whatever.
Explicitly initialize to NULL in the variable declaration to
deal with this.
Fixes: 877b7cb0b6f2 ("net: dsa: mv88e6xxx: Add minimal platform_data support")
Signed-off-by: David S. Miller <davem@davemloft.net>
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The b53 driver already defines and internally uses platform data to let the
glue drivers specify parameters such as the chip id. What we were missing was
a way to tell the core DSA layer about the ports and their type.
Place a dsa_chip_data structure at the beginning of b53_platform_data for
dsa_register_switch() to access it. This does not require modifications to
b53_common.c which will pass platform_data trough.
Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Andrew Lunn says:
====================
Platform data support for mv88exxx
There are a few Intel based platforms making use of the mv88exxx.
These don't easily have access to device tree in order to instantiate
the switch driver. These patches allow the use of platform data to
hold the configuration.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Add the size of the EEPROM to the platform data, so it can also be
instantiated by a platform device.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Not all the world uses device tree. Some parts of the world still use
platform devices and platform data. Add basic support for probing a
Marvell switch via platform data.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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An IRQ domain will work without an OF node. It is not possible to
reference interrupts via a phandle, but C code can still use
irq_find_mapping() to get an interrupt from the domain.
Signed-off-by: Andrew Lunn <andrew@lunn.ch>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Sergei Shtylyov says:
====================
sh_eth: fix typos/grammar
Here's a set of 3 patches against DaveM's 'net-next.git' repo plus the R8A77980
support patches posted earlier. They fix the comments typos/grammar and another
typo in the EESR bit...
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Simon has noticed a typo in the comment accompaining the BCULR write --
fix it and move the comment before the write (following the style of
the other comments), while at it...
Reported-by: Simon Horman <horms@verge.net.au>
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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All the verbs in the comments to the 'struct sh_eth_cpu_data' declaration
should be in a 3rd person singular, to match the nouns.
Signed-off-by: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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