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Fix inconsistent IS_ERR and PTR_ERR in get_btf,
the proper pointer to be passed as argument is '*btf'
This issue was detected with the help of Coccinelle.
Fixes: 2d3feca8c44f ("bpf: btf: print map dump and lookup with btf info")
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Acked-by: David S. Miller <davem@davemloft.net>
Acked-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Acked-by: Martin KaFai Lau <kafai@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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Martin KaFai Lau says:
====================
The series allows the BPF loader to figure out the btf_key_id
and btf_value_id from a map's name by using BPF_ANNOTATE_KV_PAIR()
similarly as in iproute2 commit f823f36012fb ("bpf: implement
btf handling and map annotation").
It also removes the old 'typedef' way which requires two separate
typedefs (one for the key and one for the value).
By doing this, iproute2 and libbpf have one consistent way to
figure out the btf_key_type_id and btf_value_type_id for a map.
The first two patches are some prep/cleanup works. The last patch
introduces BPF_ANNOTATE_KV_PAIR.
v3:
- Replace some more *int*_t and u* usages with the
equivalent __[su]* in btf.c
v2:
- Fix the incorrect '&&' check on container_type
in bpf_map_find_btf_info().
- Expose the existing static btf_type_by_id() instead of
creating a new one.
====================
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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This patch introduces BPF_ANNOTATE_KV_PAIR to signal the
bpf loader about the btf key_type and value_type of a bpf map.
Please refer to the changes in test_btf_haskv.c for its usage.
Both iproute2 and libbpf loader will then have the same
convention to find out the map's btf_key_type_id and
btf_value_type_id from a map's name.
Fixes: 8a138aed4a80 ("bpf: btf: Add BTF support to libbpf")
Suggested-by: Daniel Borkmann <daniel@iogearbox.net>
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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This patch replaces [u]int32_t and [u]int64_t usage with
__[su]32 and __[su]64. The same change goes for [u]int16_t
and [u]int8_t.
Fixes: 8a138aed4a80 ("bpf: btf: Add BTF support to libbpf")
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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This patch sync the uapi btf.h to tools/
Fixes: 36fc3c8c282c bpf: btf: Clean up BTF_INT_BITS() in uapi btf.h
Signed-off-by: Martin KaFai Lau <kafai@fb.com>
Acked-by: Yonghong Song <yhs@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux
Pull MIPS fixes from Paul Burton:
"A couple more MIPS fixes for 4.18:
- Fix an off-by-one in reporting PCI resource sizes to userland which
regressed in v3.12.
- Fix writes to DDR controller registers used to flush write buffers,
which regressed with some refactoring in v4.2"
* tag 'mips_fixes_4.18_4' of git://git.kernel.org/pub/scm/linux/kernel/git/mips/linux:
MIPS: ath79: fix register address in ath79_ddr_wb_flush()
MIPS: Fix off-by-one in pci_resource_to_user()
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Pull networking fixes from David Miller:
1) Handle stations tied to AP_VLANs properly during mac80211 hw
reconfig. From Manikanta Pubbisetty.
2) Fix jump stack depth validation in nf_tables, from Taehee Yoo.
3) Fix quota handling in aRFS flow expiration of mlx5 driver, from Eran
Ben Elisha.
4) Exit path handling fix in powerpc64 BPF JIT, from Daniel Borkmann.
5) Use ptr_ring_consume_bh() in page pool code, from Tariq Toukan.
6) Fix cached netdev name leak in nf_tables, from Florian Westphal.
7) Fix memory leaks on chain rename, also from Florian Westphal.
8) Several fixes to DCTCP congestion control ACK handling, from Yuchunk
Cheng.
9) Missing rcu_read_unlock() in CAIF protocol code, from Yue Haibing.
10) Fix link local address handling with VRF, from David Ahern.
11) Don't clobber 'err' on a successful call to __skb_linearize() in
skb_segment(). From Eric Dumazet.
12) Fix vxlan fdb notification races, from Roopa Prabhu.
13) Hash UDP fragments consistently, from Paolo Abeni.
14) If TCP receives lots of out of order tiny packets, we do really
silly stuff. Make the out-of-order queue ending more robust to this
kind of behavior, from Eric Dumazet.
15) Don't leak netlink dump state in nf_tables, from Florian Westphal.
* git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (76 commits)
net: axienet: Fix double deregister of mdio
qmi_wwan: fix interface number for DW5821e production firmware
ip: in cmsg IP(V6)_ORIGDSTADDR call pskb_may_pull
bnx2x: Fix invalid memory access in rss hash config path.
net/mlx4_core: Save the qpn from the input modifier in RST2INIT wrapper
r8169: restore previous behavior to accept BIOS WoL settings
cfg80211: never ignore user regulatory hint
sock: fix sg page frag coalescing in sk_alloc_sg
netfilter: nf_tables: move dumper state allocation into ->start
tcp: add tcp_ooo_try_coalesce() helper
tcp: call tcp_drop() from tcp_data_queue_ofo()
tcp: detect malicious patterns in tcp_collapse_ofo_queue()
tcp: avoid collapses in tcp_prune_queue() if possible
tcp: free batches of packets in tcp_prune_ofo_queue()
ip: hash fragments consistently
ipv6: use fib6_info_hold_safe() when necessary
can: xilinx_can: fix power management handling
can: xilinx_can: fix incorrect clear of non-processed interrupts
can: xilinx_can: fix RX overflow interrupt not being enabled
can: xilinx_can: keep only 1-2 frames in TX FIFO to fix TX accounting
...
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If the registration fails then mdio_unregister is called.
However at unbind the unregister ia attempted again resulting
in the below crash
[ 73.544038] kernel BUG at drivers/net/phy/mdio_bus.c:415!
[ 73.549362] Internal error: Oops - BUG: 0 [#1] SMP
[ 73.554127] Modules linked in:
[ 73.557168] CPU: 0 PID: 2249 Comm: sh Not tainted 4.14.0 #183
[ 73.562895] Hardware name: xlnx,zynqmp (DT)
[ 73.567062] task: ffffffc879e41180 task.stack: ffffff800cbe0000
[ 73.572973] PC is at mdiobus_unregister+0x84/0x88
[ 73.577656] LR is at axienet_mdio_teardown+0x18/0x30
[ 73.582601] pc : [<ffffff80085fa4cc>] lr : [<ffffff8008616858>]
pstate: 20000145
[ 73.589981] sp : ffffff800cbe3c30
[ 73.593277] x29: ffffff800cbe3c30 x28: ffffffc879e41180
[ 73.598573] x27: ffffff8008a21000 x26: 0000000000000040
[ 73.603868] x25: 0000000000000124 x24: ffffffc879efe920
[ 73.609164] x23: 0000000000000060 x22: ffffffc879e02000
[ 73.614459] x21: ffffffc879e02800 x20: ffffffc87b0b8870
[ 73.619754] x19: ffffffc879e02800 x18: 000000000000025d
[ 73.625050] x17: 0000007f9a719ad0 x16: ffffff8008195bd8
[ 73.630345] x15: 0000007f9a6b3d00 x14: 0000000000000010
[ 73.635640] x13: 74656e7265687465 x12: 0000000000000030
[ 73.640935] x11: 0000000000000030 x10: 0101010101010101
[ 73.646231] x9 : 241f394f42533300 x8 : ffffffc8799f6e98
[ 73.651526] x7 : ffffffc8799f6f18 x6 : ffffffc87b0ba318
[ 73.656822] x5 : ffffffc87b0ba498 x4 : 0000000000000000
[ 73.662117] x3 : 0000000000000000 x2 : 0000000000000008
[ 73.667412] x1 : 0000000000000004 x0 : ffffffc8799f4000
[ 73.672708] Process sh (pid: 2249, stack limit = 0xffffff800cbe0000)
Fix the same by making the bus NULL on unregister.
Signed-off-by: Shubhrajyoti Datta <shubhrajyoti.datta@xilinx.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The original mapping for the DW5821e was done using a development
version of the firmware. Confirmed with the vendor that the final
USB layout ends up exposing the QMI control/data ports in USB
config #1, interface #0, not in interface #1 (which is now a HID
interface).
T: Bus=01 Lev=03 Prnt=04 Port=00 Cnt=01 Dev#= 16 Spd=480 MxCh= 0
D: Ver= 2.10 Cls=ef(misc ) Sub=02 Prot=01 MxPS=64 #Cfgs= 2
P: Vendor=413c ProdID=81d7 Rev=03.18
S: Manufacturer=DELL
S: Product=DW5821e Snapdragon X20 LTE
S: SerialNumber=0123456789ABCDEF
C: #Ifs= 6 Cfg#= 1 Atr=a0 MxPwr=500mA
I: If#= 0 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=ff Prot=ff Driver=qmi_wwan
I: If#= 1 Alt= 0 #EPs= 1 Cls=03(HID ) Sub=00 Prot=00 Driver=usbhid
I: If#= 2 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
I: If#= 3 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
I: If#= 4 Alt= 0 #EPs= 3 Cls=ff(vend.) Sub=00 Prot=00 Driver=option
I: If#= 5 Alt= 0 #EPs= 2 Cls=ff(vend.) Sub=ff Prot=ff Driver=option
Fixes: e7e197edd09c25 ("qmi_wwan: add support for the Dell Wireless 5821e module")
Signed-off-by: Aleksander Morgado <aleksander@aleksander.es>
Acked-by: Bjørn Mork <bjorn@mork.no>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Syzbot reported a read beyond the end of the skb head when returning
IPV6_ORIGDSTADDR:
BUG: KMSAN: kernel-infoleak in put_cmsg+0x5ef/0x860 net/core/scm.c:242
CPU: 0 PID: 4501 Comm: syz-executor128 Not tainted 4.17.0+ #9
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS
Google 01/01/2011
Call Trace:
__dump_stack lib/dump_stack.c:77 [inline]
dump_stack+0x185/0x1d0 lib/dump_stack.c:113
kmsan_report+0x188/0x2a0 mm/kmsan/kmsan.c:1125
kmsan_internal_check_memory+0x138/0x1f0 mm/kmsan/kmsan.c:1219
kmsan_copy_to_user+0x7a/0x160 mm/kmsan/kmsan.c:1261
copy_to_user include/linux/uaccess.h:184 [inline]
put_cmsg+0x5ef/0x860 net/core/scm.c:242
ip6_datagram_recv_specific_ctl+0x1cf3/0x1eb0 net/ipv6/datagram.c:719
ip6_datagram_recv_ctl+0x41c/0x450 net/ipv6/datagram.c:733
rawv6_recvmsg+0x10fb/0x1460 net/ipv6/raw.c:521
[..]
This logic and its ipv4 counterpart read the destination port from
the packet at skb_transport_offset(skb) + 4.
With MSG_MORE and a local SOCK_RAW sender, syzbot was able to cook a
packet that stores headers exactly up to skb_transport_offset(skb) in
the head and the remainder in a frag.
Call pskb_may_pull before accessing the pointer to ensure that it lies
in skb head.
Link: http://lkml.kernel.org/r/CAF=yD-LEJwZj5a1-bAAj2Oy_hKmGygV6rsJ_WOrAYnv-fnayiQ@mail.gmail.com
Reported-by: syzbot+9adb4b567003cac781f0@syzkaller.appspotmail.com
Signed-off-by: Willem de Bruijn <willemb@google.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Rx hash/filter table configuration uses rss_conf_obj to configure filters
in the hardware. This object is initialized only when the interface is
brought up.
This patch adds driver changes to configure rss params only when the device
is in opened state. In port disabled case, the config will be cached in the
driver structure which will be applied in the successive load path.
Please consider applying it to 'net' branch.
Signed-off-by: Sudarsana Reddy Kalluru <Sudarsana.Kalluru@cavium.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Function mlx4_RST2INIT_QP_wrapper saved the qp number passed in the qp
context, rather than the one passed in the input modifier.
However, the qp number in the qp context is not defined as a
required parameter by the FW. Therefore, drivers may choose to not
specify the qp number in the qp context for the reset-to-init transition.
Thus, we must save the qp number passed in the command input modifier --
which is always present. (This saved qp number is used as the input
modifier for command 2RST_QP when a slave's qp's are destroyed).
Fixes: c82e9aa0a8bc ("mlx4_core: resource tracking for HCA resources used by guests")
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Skbprio (SKB Priority Queue) is a queueing discipline that prioritizes packets
according to their skb->priority field. Under congestion, already-enqueued lower
priority packets will be dropped to make space available for higher priority
packets. Skbprio was conceived as a solution for denial-of-service defenses that
need to route packets with different priorities as a means to overcome DoS
attacks.
v5
*Do not reference qdisc_dev(sch)->tx_queue_len for setting limit. Instead set
default sch->limit to 64.
v4
*Drop Documentation/networking/sch_skbprio.txt doc file to move it to tc man
page for Skbprio, in iproute2.
v3
*Drop max_limit parameter in struct skbprio_sched_data and instead use
sch->limit.
*Reference qdisc_dev(sch)->tx_queue_len only once, during initialisation for
qdisc (previously being referenced every time qdisc changes).
*Move qdisc's detailed description from in-code to Documentation/networking.
*When qdisc is saturated, enqueue incoming packet first before dequeueing
lowest priority packet in queue - improves usage of call stack registers.
*Introduce and use overlimit stat to keep track of number of dropped packets.
v2
*Use skb->priority field rather than DS field. Rename queueing discipline as
SKB Priority Queue (previously Gatekeeper Priority Queue).
*Queueing discipline is made classful to expose Skbprio's internal priority
queues.
Signed-off-by: Nishanth Devarajan <ndev2021@gmail.com>
Reviewed-by: Sachin Paryani <sachin.paryani@gmail.com>
Reviewed-by: Cody Doucette <doucette@bu.edu>
Reviewed-by: Michel Machado <michel@digirati.com.br>
Acked-by: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Certain PHY's have issues when operating in GBit slave mode and can
be forced to master mode. Examples are RTL8211C, also the Micrel PHY
driver has a DT setting to force master mode.
If two such chips are link partners the autonegotiation will fail.
Standard defines a self-clearing on read, latched-high bit to
indicate this error. Check this bit to inform the user.
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The commit cited below checked that the port numbers provided in the
primary and alt AVs are legal.
That is sufficient to prevent a kernel panic. However, it is not
sufficient for correct operation.
In Linux, AVs (both primary and alt) must be completely self-described.
We do not accept an AV from userspace without an embedded port number.
(This has been the case since kernel 3.14 commit dbf727de7440
("IB/core: Use GID table in AH creation and dmac resolution")).
For the primary AV, this embedded port number must match the port number
specified with IB_QP_PORT.
We also expect the port number embedded in the alt AV to match the
alt_port_num value passed by the userspace driver in the modify_qp command
base structure.
Add these checks to modify_qp.
Cc: <stable@vger.kernel.org> # 4.16
Fixes: 5d4c05c3ee36 ("RDMA/uverbs: Sanitize user entered port numbers prior to access it")
Signed-off-by: Jack Morgenstein <jackm@dev.mellanox.co.il>
Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
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Stephen Hemminger says:
====================
net whitespace cleanups
Ran script that I use to check for trailing whitespace and
blank lines at end of files across all files in net/ directory.
These are errors that checkpatch reports and git flags.
These are the resulting fixes broken up mostly by subsystem.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Several files have extra line at end of file.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove trailing whitespace and extra lines at EOF
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove blank line at EOF and trailing whitespace.
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Remove trailing whitespace and blank lines at EOF
Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Signed-off-by: Leon Romanovsky <leonro@mellanox.com>
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
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Commit 7edf6d314cd0 tried to resolve an inconsistency (BIOS WoL
settings are accepted, but device isn't wakeup-enabled) resulting
from a previous broken-BIOS workaround by making disabled WoL the
default.
This however had some side effects, most likely due to a broken BIOS
some systems don't properly resume from suspend when the MagicPacket
WoL bit isn't set in the chip, see
https://bugzilla.kernel.org/show_bug.cgi?id=200195
Therefore restore the WoL behavior from 4.16.
Reported-by: Albert Astals Cid <aacid@kde.org>
Fixes: 7edf6d314cd0 ("r8169: disable WOL per default")
Signed-off-by: Heiner Kallweit <hkallweit1@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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The scsi block layer requires requests claimed by the error handling be
completed by the error handler. A previous commit allowed completions
to proceed for blk-mq, breaking that assumption.
This patch prevents completions that may race with the timeout handler
by marking the state to complete, restoring the previous behavior.
Fixes: 12f5b931 ("blk-mq: Remove generation seqeunce")
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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This is preparing for drivers that want to directly alter the state of
their requests. No functional change here.
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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The cited patch added a call to dev_change_tx_queue_len in
SIOCSIFTXQLEN case.
This obsoletes the new len comparison check done before the function call.
Remove it here.
For the desicion of keep/remove the negative value check, we examine the
range check in dev_change_tx_queue_len.
On 64-bit we will fail with -ERANGE. The 32-bit int ifr_qlen will be sign
extended to 64-bits when it is passed into dev_change_tx_queue_len(). And
then for negative values this test triggers:
if (new_len != (unsigned int)new_len)
return -ERANGE;
because:
if (0xffffffffWHATEVER != 0x00000000WHATEVER)
On 32-bit the signed value will be accepted, changing behavior.
Therefore, the negative value check is kept.
Fixes: 3f76df198288 ("net: use dev_change_tx_queue_len() for SIOCSIFTXQLEN")
Signed-off-by: Tariq Toukan <tariqt@mellanox.com>
Reviewed-by: Eran Ben Elisha <eranbe@mellanox.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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When inodes are freed in xfs_ifree(), di_flags is cleared (so extent size
hints are removed) but the actual extent size fields are left intact.
This causes the extent hint validators to fail on freed inodes which once
had extent size hints.
This can be observed (for example) by running xfs/229 twice on a
non-crc xfs filesystem, or presumably on V5 with ikeep.
Fixes: 7d71a67 ("xfs: verify extent size hint is valid in inode verifier")
Fixes: 02a0fda ("xfs: verify COW extent size hint is valid in inode verifier")
Signed-off-by: Eric Sandeen <sandeen@redhat.com>
Reviewed-by: Brian Foster <bfoster@redhat.com>
Reviewed-by: Darrick J. Wong <darrick.wong@oracle.com>
Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com>
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git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
Pull s390 fix from Martin Schwidefsky.
Guenter Roeck reports that the s390 allmodconfig build fails because of
a gcc plugin problem. The fix won't be in-tree until 4.19, so for now
disable the gcc plugins on s390.
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux:
s390: disable gcc plugins
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Including asm/cacheflush.h first results in the following build error
when trying to build sparc32:allmodconfig, because 'struct page' has not
been declared, and the function declaration ends up creating a separate
(private) declaration of struct page (as a result of function arguments
being in the scope of the function declaration and definition, not in
global scope).
The C scoping rules do not just affect variable visibility, they also
affect type declaration visibility.
The end result is that when the actual call site is seen in
<linux/highmem.h>, the 'struct page' type in the caller is not the same
'struct page' that the function was declared with, resulting in:
In file included from arch/sparc/include/asm/page.h:10:0,
...
from drivers/staging/media/omap4iss/iss_video.c:15:
include/linux/highmem.h: In function 'clear_user_highpage':
include/linux/highmem.h:137:31: error:
passing argument 1 of 'sparc_flush_page_to_ram' from incompatible
pointer type
Include generic includes files first to fix the problem.
Fixes: fc96d58c10162 ("[media] v4l: omap4iss: Add support for OMAP4 camera interface - Video devices")
Suggested-by: Linus Torvalds <torvalds@linux-foundation.org>
Acked-by: David S. Miller <davem@davemloft.net>
Cc: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
[ Added explanation of C scope rules - Linus ]
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Rahul Lakkireddy says:
====================
cxgb4: collect free Tx/Rx pages and page pointers
Patch 1 collects number of free PSTRUCT page pointers in context
memory.
Patch 2 moves the collection logic for Tx/Rx free pages to common
code, since this information needs to be collected in vmcore device
dump as well.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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This information needs to be collected in vmcore device dump as well.
So, move to common code.
Fixes: fa145d5dfd61 ("cxgb4: display number of rx and tx pages free")
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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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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Ido Schimmel says:
====================
mlxsw: Add extack messages for tc flower
Nir says:
This patch set adds extack messages support to tc flower part of mlxsw.
The messages provide clear reasoning to failures, as some of the available
actions and keys are not supported in driver or HW and resources may get
exhausted.
The first patch deals with propagation of the extack pointer among the functions
dealing with key parsing and action sets handling.
Following patches 2-4 add appropriate messages across the different layers of
mlxsw tc flower implementation.
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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Return extack messages in order to explain failures
of unsupported actions, keys and invalid user input.
Signed-off-by: Nir Dotan <nird@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Return extack messages for failures in action set creation.
Messages provide reasons for not being able to implement
the action in HW.
Signed-off-by: Nir Dotan <nird@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Return extack messages for failures in action set creation.
Errors may occur when action is not currently supported or due
to lack of resources.
Signed-off-by: Nir Dotan <nird@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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Propagate extack pointer in order to add extack messages for ACL.
In the follow-up patches, appropriate messages will be added
in various points.
Signed-off-by: Nir Dotan <nird@mellanox.com>
Reviewed-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
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->start() is called once when dump is being initialized, there is no
need to store it in netlink_cb.
Signed-off-by: Florian Westphal <fw@strlen.de>
Signed-off-by: David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211-next
Johannes Berg says:
====================
Only a few things:
* HE (802.11ax) support in HWSIM
* bypass TXQ with NDP frames as they're special
* convert ahash -> shash in lib80211 TKIP
* avoid playing with tailroom counter defer unless
needed to avoid issues in some cases
====================
Signed-off-by: David S. Miller <davem@davemloft.net>
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