- 02 Sep, 2020 3 commits
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Dan Carpenter authored
We recently added some calls to clk_disable_unprepare() but we missed the last error path if register_netdev() fails. I made a couple cleanups so we avoid mistakes like this in the future. First I reversed the "if (!ret)" condition and pulled the code in one indent level. Also, the "port->netdev = NULL;" is not required because "port" isn't used again outside this function so I deleted that line. Fixes: 4d5ae32f ("net: ethernet: Add a driver for Gemini gigabit ethernet") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Denis Efremov authored
VALIDATE_MASK(eth_mask->h_source) is checked twice in a row in bcmgenet_validate_flow(). Add VALIDATE_MASK(eth_mask->h_dest) instead. Fixes: 3e370952 ("net: bcmgenet: add support for ethtool rxnfc flows") Signed-off-by:
Denis Efremov <efremov@linux.com> Acked-by:
Doug Berger <opendmb@gmail.com> Acked-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
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Shyam Sundar S K authored
Add support for a new port mode that is a backplane connection without support for auto negotiation. Signed-off-by:
Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Signed-off-by:
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- 01 Sep, 2020 4 commits
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Kamil Lorenc authored
Keenetic Plus DSL is a xDSL modem that uses dm9620 as its USB interface. Signed-off-by:
Kamil Lorenc <kamil@re-ws.pl> Signed-off-by:
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Yunsheng Lin authored
"enable" should be "disable" when the function name is vhost_disable_notify(), which does the disabling work. Signed-off-by:
Yunsheng Lin <linyunsheng@huawei.com> Acked-by:
Jason Wang <jasowang@redhat.com> Acked-by:
Michael S. Tsirkin <mst@redhat.com> Signed-off-by:
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Shung-Hsi Yu authored
On machines with much memory (> 2 TByte) and log_mtts_per_seg == 0, a max_order of 31 will be passed to mlx_buddy_init(), which results in s = BITS_TO_LONGS(1 << 31) becoming a negative value, leading to kvmalloc_array() failure when it is converted to size_t. mlx4_core 0000:b1:00.0: Failed to initialize memory region table, aborting mlx4_core: probe of 0000:b1:00.0 failed with error -12 Fix this issue by changing the left shifting operand from a signed literal to an unsigned one. Fixes: 225c7b1f ("IB/mlx4: Add a driver Mellanox ConnectX InfiniBand adapters") Signed-off-by:
Shung-Hsi Yu <shung-hsi.yu@suse.com> Signed-off-by:
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Leesoo Ahn authored
Error on calling kthread_create_on_node prints wrong function name, kernel_thread. Fixes: 94dcf29a ("kthread: use kthread_create_on_node()") Signed-off-by:
Leesoo Ahn <dev@ooseel.net> Acked-by:
Gustavo A. R. Silva <gustavoars@kernel.org> Signed-off-by:
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- 31 Aug, 2020 6 commits
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Grygorii Strashko authored
In RMII link mode it's required to set bit 15 IFCTL_A in MAC_SL MAC_CONTROL register to enable support for 100Mbit link speed. Fixes: 93a76530 ("net: ethernet: ti: introduce am65x/j721e gigabit eth subsystem driver") Signed-off-by:
Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by:
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Potnuri Bharat Teja authored
When multiple adapters are present in the system, pci hot-removing second adapter leads to the following warning as both the adapters registered thermal zone device with same thermal zone name/type. Therefore, use unique thermal zone name during thermal zone device initialization. Also mark thermal zone dev NULL once unregistered. [ 414.370143] ------------[ cut here ]------------ [ 414.370944] sysfs group 'power' not found for kobject 'hwmon0' [ 414.371747] WARNING: CPU: 9 PID: 2661 at fs/sysfs/group.c:281 sysfs_remove_group+0x76/0x80 [ 414.382550] CPU: 9 PID: 2661 Comm: bash Not tainted 5.8.0-rc6+ #33 [ 414.383593] Hardware name: Supermicro X10SRA-F/X10SRA-F, BIOS 2.0a 06/23/2016 [ 414.384669] RIP: 0010:sysfs_remove_group+0x76/0x80 [ 414.385738] Code: 48 89 df 5b 5d 41 5c e9 d8 b5 ff ff 48 89 df e8 60 b0 ff ff eb cb 49 8b 14 24 48 8b 75 00 48 c7 c7 90 ae 13 bb e8 6a 27 d0 ff <0f> 0b 5b 5d 41 5c c3 0f 1f 00 0f 1f 44 00 00 48 85 f6 74 31 41 54 [ 414.388404] RSP: 0018:ffffa22bc080fcb0 EFLAGS: 00010286 [ 414.389638] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 414.390829] RDX: 0000000000000001 RSI: ffff8ee2de3e9510 RDI: ffff8ee2de3e9510 [ 414.392064] RBP: ffffffffbaef2ee0 R08: 0000000000000000 R09: 0000000000000000 [ 414.393224] R10: 0000000000000000 R11: 000000002b30006c R12: ffff8ee260720008 [ 414.394388] R13: ffff8ee25e0a40e8 R14: ffffa22bc080ff08 R15: ffff8ee2c3be5020 [ 414.395661] FS: 00007fd2a7171740(0000) GS:ffff8ee2de200000(0000) knlGS:0000000000000000 [ 414.396825] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 414.398011] CR2: 00007f178ffe5020 CR3: 000000084c5cc003 CR4: 00000000003606e0 [ 414.399172] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 414.400352] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 414.401473] Call Trace: [ 414.402685] device_del+0x89/0x400 [ 414.403819] device_unregister+0x16/0x60 [ 414.405024] hwmon_device_unregister+0x44/0xa0 [ 414.406112] thermal_remove_hwmon_sysfs+0x196/0x200 [ 414.407256] thermal_zone_device_unregister+0x1b5/0x1f0 [ 414.408415] cxgb4_thermal_remove+0x3c/0x4f [cxgb4] [ 414.409668] remove_one+0x212/0x290 [cxgb4] [ 414.410875] pci_device_remove+0x36/0xb0 [ 414.412004] device_release_driver_internal+0xe2/0x1c0 [ 414.413276] pci_stop_bus_device+0x64/0x90 [ 414.414433] pci_stop_and_remove_bus_device_locked+0x16/0x30 [ 414.415609] remove_store+0x75/0x90 [ 414.416790] kernfs_fop_write+0x114/0x1b0 [ 414.417930] vfs_write+0xcf/0x210 [ 414.419059] ksys_write+0xa7/0xe0 [ 414.420120] do_syscall_64+0x4c/0xa0 [ 414.421278] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 414.422335] RIP: 0033:0x7fd2a686afd0 [ 414.423396] Code: Bad RIP value. [ 414.424549] RSP: 002b:00007fffc1446148 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 414.425638] RAX: ffffffffffffffda RBX: 0000000000000002 RCX: 00007fd2a686afd0 [ 414.426830] RDX: 0000000000000002 RSI: 00007fd2a7196000 RDI: 0000000000000001 [ 414.427927] RBP: 00007fd2a7196000 R08: 000000000000000a R09: 00007fd2a7171740 [ 414.428923] R10: 00007fd2a7171740 R11: 0000000000000246 R12: 00007fd2a6b43400 [ 414.430082] R13: 0000000000000002 R14: 0000000000000001 R15: 0000000000000000 [ 414.431027] irq event stamp: 76300 [ 414.435678] ---[ end trace 13865acb4d5ab00f ]--- Fixes: b1871915 ("cxgb4: Add thermal zone support") Signed-off-by:
Potnuri Bharat Teja <bharat@chelsio.com> Signed-off-by:
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Xie He authored
This driver didn't set hard_header_len. This patch sets hard_header_len for it according to its header_ops->create function. This driver's header_ops->create function (cisco_hard_header) creates a header of (struct hdlc_header), so hard_header_len should be set to sizeof(struct hdlc_header). Cc: Martin Schiller <ms@dev.tdt.de> Signed-off-by:
Xie He <xie.he.0141@gmail.com> Acked-by:
Krzysztof Halasa <khc@pm.waw.pl> Signed-off-by:
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Shannon Nelson authored
Take the tx accounting out of the work_done calculation to prevent a possible duplicate napi_schedule call when under high Tx stress but low Rx traffic. Fixes: b14e4e95 ("ionic: tx separate servicing") Signed-off-by:
Shannon Nelson <snelson@pensando.io> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/pablo/nfDavid S. Miller authored
Pablo Neira Ayuso says: ==================== Netfilter fixes for net The following patchset contains Netfilter fixes for net: 1) Do not delete clash entries on reply, let them expire instead, from Florian Westphal. 2) Do not report EAGAIN to nfnetlink, otherwise this enters a busy loop. Update nfnetlink_unicast() to translate EAGAIN to ENOBUFS. 3) Remove repeated words in code comments, from Randy Dunlap. 4) Several patches for the flowtable selftests, from Fabian Frederick. ==================== Signed-off-by: -
Tuong Lien authored
The 'this_cpu_ptr()' is used to obtain the AEAD key' TFM on the current CPU for encryption, however the execution can be preemptible since it's actually user-space context, so the 'using smp_processor_id() in preemptible' has been observed. We fix the issue by using the 'get/put_cpu_ptr()' API which consists of a 'preempt_disable()' instead. Fixes: fc1b6d6d ("tipc: introduce TIPC encryption & authentication") Acked-by:
Jon Maloy <jmaloy@redhat.com> Signed-off-by:
Tuong Lien <tuong.t.lien@dektech.com.au> Signed-off-by:
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- 29 Aug, 2020 1 commit
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Florian Westphal authored
Its possible that we have more than one packet with the same ct tuple simultaneously, e.g. when an application emits n packets on same UDP socket from multiple threads. NAT rules might be applied to those packets. With the right set of rules, n packets will be mapped to m destinations, where at least two packets end up with the same destination. When this happens, the existing clash resolution may merge the skb that is processed after the first has been received with the identical tuple already in hash table. However, its possible that this identical tuple is a NAT_CLASH tuple. In that case the second skb will be sent, but no reply can be received since the reply that is processed first removes the NAT_CLASH tuple. Do not auto-delete, this gives a 1 second window for replies to be passed back to originator. Packets that are coming later (udp stream case) will not be affected: they match the original ct entry, not a NAT_CLASH one. Also prevent NAT_CLASH entries from getting offloaded. Fixes: 6a757c07 ("netfilter: conntrack: allow insertion of clashing entries") Signed-off-by:
Florian Westphal <fw@strlen.de> Signed-off-by:
Pablo Neira Ayuso <pablo@netfilter.org>
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- 28 Aug, 2020 13 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpfDavid S. Miller authored
Daniel Borkmann says: ==================== pull-request: bpf 2020-08-28 The following pull-request contains BPF updates for your *net* tree. We've added 4 non-merge commits during the last 4 day(s) which contain a total of 4 files changed, 7 insertions(+), 4 deletions(-). The main changes are: 1) Fix out of bounds access for BPF_OBJ_GET_INFO_BY_FD retrieval, from Yonghong Song. 2) Fix wrong __user annotation in bpf_stats sysctl handler, from Tobias Klauser. 3) Few fixes for BPF selftest scripting in test_{progs,maps}, from Jesper Dangaard Brouer. ==================== Signed-off-by: -
Fabian Frederick authored
Avoid bad command arguments. Based on tools/power/cpupower/bench/cpufreq-bench_plot.sh Signed-off-by:
Fabian Frederick <fabf@skynet.be> Signed-off-by:
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Fabian Frederick authored
Fix some shellcheck SC2181 warnings: "Check exit code directly with e.g. 'if mycmd;', not indirectly with $?." as suggested by Stefano Brivio. Signed-off-by:
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Fabian Frederick authored
'who' variable was not used in make_file() Problem found using Shellcheck Signed-off-by:
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Fabian Frederick authored
exit script with comments when parameters are wrong during address addition. No need for a message when trying to change MTU with lower values: output is self-explanatory. Use short testing sequence to avoid shellcheck warnings (suggested by Stefano Brivio). Signed-off-by:
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Fabian Frederick authored
nft_flowtable.sh is made for bash not sh. Also give values which not return "RTNETLINK answers: Invalid argument" Signed-off-by:
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Pablo Neira Ayuso authored
Frontend callback reports EAGAIN to nfnetlink to retry a command, this is used to signal that module autoloading is required. Unfortunately, nlmsg_unicast() reports EAGAIN in case the receiver socket buffer gets full, so it enters a busy-loop. This patch updates nfnetlink_unicast() to turn EAGAIN into ENOBUFS and to use nlmsg_unicast(). Remove the flags field in nfnetlink_unicast() since this is always MSG_DONTWAIT in the existing code which is exactly what nlmsg_unicast() passes to netlink_unicast() as parameter. Fixes: 96518518 ("netfilter: add nftables") Reported-by:
Phil Sutter <phil@nwl.cc> Signed-off-by:
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Randy Dunlap authored
Drop duplicated words in net/netfilter/ and net/ipv4/netfilter/. Signed-off-by:
Randy Dunlap <rdunlap@infradead.org> Reviewed-by:
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Cong Wang authored
When ->init() fails, ->destroy() is called to clean up. So it is unnecessary to clean up in red_init(), and it would cause some refcount underflow. Fixes: aee9caa0 ("net: sched: sch_red: Add qevents "early_drop" and "mark"") Reported-and-tested-by: syzbot+b33c1cb0a30ebdc8a5f9@syzkaller.appspotmail.com Reported-and-tested-by: syzbot+e5ea5f8a3ecfd4427a1c@syzkaller.appspotmail.com Cc: Petr Machata <petrm@mellanox.com> Signed-off-by:
Cong Wang <xiyou.wangcong@gmail.com> Reviewed-by:
Petr Machata <petrm@nvidia.com> Signed-off-by:
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Landen Chao authored
Remove 1000baseT_Half to advertise correct hardware capability in phylink_validate() callback function. Fixes: 38f790a8 ("net: dsa: mt7530: Add support for port 5") Signed-off-by:
Landen Chao <landen.chao@mediatek.com> Reviewed-by:
Andrew Lunn <andrew@lunn.ch> Reviewed-by:
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zhudi authored
The data races were reported by KCSAN: BUG: KCSAN: data-race in netlink_recvmsg / skb_queue_tail write (marked) to 0xffff8c0986e5a8c8 of 8 bytes by interrupt on cpu 3: skb_queue_tail+0xcc/0x120 __netlink_sendskb+0x55/0x80 netlink_broadcast_filtered+0x465/0x7e0 nlmsg_notify+0x8f/0x120 rtnl_notify+0x8e/0xb0 __neigh_notify+0xf2/0x120 neigh_update+0x927/0xde0 arp_process+0x8a3/0xf50 arp_rcv+0x27c/0x3b0 __netif_receive_skb_core+0x181c/0x1840 __netif_receive_skb+0x38/0xf0 netif_receive_skb_internal+0x77/0x1c0 napi_gro_receive+0x1bd/0x1f0 e1000_clean_rx_irq+0x538/0xb20 [e1000] e1000_clean+0x5e4/0x1340 [e1000] net_rx_action+0x310/0x9d0 __do_softirq+0xe8/0x308 irq_exit+0x109/0x110 do_IRQ+0x7f/0xe0 ret_from_intr+0x0/0x1d 0xffffffffffffffff read to 0xffff8c0986e5a8c8 of 8 bytes by task 1463 on cpu 0: netlink_recvmsg+0x40b/0x820 sock_recvmsg+0xc9/0xd0 ___sys_recvmsg+0x1a4/0x3b0 __sys_recvmsg+0x86/0x120 __x64_sys_recvmsg+0x52/0x70 do_syscall_64+0xb5/0x360 entry_SYSCALL_64_after_hwframe+0x65/0xca 0xffffffffffffffff Since the write is under sk_receive_queue->lock but the read is done as lockless. so fix it by using skb_queue_empty_lockless() instead of skb_queue_empty() for the read in netlink_rcv_wake() Signed-off-by:
zhudi <zhudi21@huawei.com> Signed-off-by:
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David S. Miller authored
Merge tag 'mac80211-for-davem-2020-08-28' of git://git.kernel.org/pub/scm/linux/kernel/git/jberg/mac80211 Johannes Berg says: ==================== We have: * fixes for AQL (airtime queue limits) * reduce packet loss detection false positives * a small channel number fix for the 6 GHz band * a fix for 80+80/160 MHz negotiation * an nl80211 attribute (NL80211_ATTR_HE_6GHZ_CAPABILITY) fix * add a missing sanity check for the regulatory code ==================== Signed-off-by:
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Jesper Dangaard Brouer authored
When stdout output from the selftests tool 'test_maps' gets redirected into e.g file or pipe, then the output lines increase a lot (from 21 to 33949 lines). This is caused by the printf that happens before the fork() call, and there are user-space buffered printf data that seems to be duplicated into the forked process. To fix this fflush() stdout before the fork loop in __run_parallel(). Fixes: 1a97cf1f ("selftests/bpf: speedup test_maps") Signed-off-by:
Jesper Dangaard Brouer <brouer@redhat.com> Signed-off-by:
Daniel Borkmann <daniel@iogearbox.net> Link: https://lore.kernel.org/bpf/159842985651.1050885.2154399297503372406.stgit@firesoul
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- 27 Aug, 2020 12 commits
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Dinghao Liu authored
Fix a memory leak in rxkad_verify_response() whereby the response buffer doesn't get freed if we fail to allocate a ticket buffer. Fixes: ef68622d ("rxrpc: Handle temporary errors better in rxkad security") Signed-off-by:
Dinghao Liu <dinghao.liu@zju.edu.cn> Signed-off-by:
David Howells <dhowells@redhat.com> Signed-off-by:
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git://git.kernel.org/pub/scm/linux/kernel/git/dhowells/linux-fsDavid S. Miller authored
David Howells says: ==================== rxrpc, afs: Fix probing issues Here are some fixes for rxrpc and afs to fix issues in the RTT measuring in rxrpc and thence the Volume Location server probing in afs: (1) Move the serial number of a received ACK into a local variable to simplify the next patch. (2) Fix the loss of RTT samples due to extra interposed ACKs causing baseline information to be discarded too early. This is a particular problem for afs when it sends a single very short call to probe a server it hasn't talked to recently. (3) Fix rxrpc_kernel_get_srtt() to indicate whether it actually has seen any valid samples or not. (4) Remove a field that's set/woken, but never read/waited on. (5) Expose the RTT and other probe information through procfs to make debugging of this stuff easier. (6) Fix VL rotation in afs to only use summary information from VL probing and not the probe running state (which gets clobbered when next a probe is issued). (7) Fix VL rotation to actually return the error aggregated from the probe errors. ==================== Signed-off-by: -
Murali Karicheri authored
This patch fixes a bunch of issues in cpsw_ndo_vlan_rx_kill_vid() - pm_runtime_get_sync() returns non zero value. This results in non zero value return to caller which will be interpreted as error. So overwrite ret with zero. - If VID matches with port VLAN VID, then set error code. - Currently when VLAN interface is deleted, all of the VLAN mc addresses are removed from ALE table, however the return values from ale function calls are not checked. These functions can return error code -ENOENT. But that shouldn't happen in a normal case. So add error print to catch the situations so that these can be investigated and addressed. return zero in these cases as these are not real error case, but only serve to catch ALE table update related issues and help address the same in the driver. Fixes: ed3525ed ("net: ethernet: ti: introduce cpsw switchdev based driver part 1 - dual-emac") Signed-off-by:
Murali Karicheri <m-karicheri2@ti.com> Signed-off-by:
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Miaohe Lin authored
Fix some comments, including wrong function name, duplicated word and so on. Signed-off-by:
Miaohe Lin <linmiaohe@huawei.com> Signed-off-by:
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Himadri Pandya authored
The buffer size is 2 Bytes and we expect to receive the same amount of data. But sometimes we receive less data and run into uninit-was-stored issue upon read. Hence modify the error check on the return value to match with the buffer size as a prevention. Reported-and-tested by: syzbot+a7e220df5a81d1ab400e@syzkaller.appspotmail.com Signed-off-by:
Himadri Pandya <himadrispandya@gmail.com> Signed-off-by:
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Amar Singhal authored
Adjust the 6 GHz frequency to channel conversion function, the other way around was previously handled. Signed-off-by:
Amar Singhal <asinghal@codeaurora.org> Link: https://lore.kernel.org/r/1592599921-10607-1-git-send-email-asinghal@codeaurora.org [rewrite commit message, hard-code channel 2] Signed-off-by:
Johannes Berg <johannes.berg@intel.com>
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Felix Fietkau authored
When running a large number of packets per second with a high data rate and long A-MPDUs, the packet loss threshold can be reached very quickly when the link conditions change. This frequently shows up as spurious disconnects. Mitigate false positives by using a similar logic for regular stations as the one being used for TDLS, though with a more aggressive timeout. Packet loss events are only reported if no ACK was received for a second. Signed-off-by:
Felix Fietkau <nbd@nbd.name> Link: https://lore.kernel.org/r/20200808172542.41628-1-nbd@nbd.nameSigned-off-by:
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Johannes Berg authored
Reject invalid hints early in order to not cause a kernel WARN later if they're restored to or similar. Reported-by: syzbot+d451401ffd00a60677ee@syzkaller.appspotmail.com Link: https://syzkaller.appspot.com/bug?extid=d451401ffd00a60677ee Link: https://lore.kernel.org/r/20200819084648.13956-1-johannes@sipsolutions.netSigned-off-by:
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Shay Bar authored
Fix cfg80211_chandef_usable(): consider IEEE80211_VHT_CAP_EXT_NSS_BW when verifying 160/80+80 MHz. Based on: "Table 9-272 — Setting of the Supported Channel Width Set subfield and Extended NSS BW Support subfield at a STA transmitting the VHT Capabilities Information field" From "Draft P802.11REVmd_D3.0.pdf" Signed-off-by:
Aviad Brikman <aviad.brikman@celeno.com> Signed-off-by:
Shay Bar <shay.bar@celeno.com> Link: https://lore.kernel.org/r/20200826143139.25976-1-shay.bar@celeno.com [reformat the code a bit and use u32_get_bits()] Signed-off-by:
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Felix Fietkau authored
Links with low data rates use much smaller aggregates and are much more sensitive to latency added by bufferbloat. Tune the assumed aggregation length based on the tx rate duration. Signed-off-by:
Toke Høiland-Jørgensen <toke@redhat.com> Link: https://lore.kernel.org/r/20200821163045.62140-3-nbd@nbd.nameSigned-off-by:
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Felix Fietkau authored
This will be used to enhance AQL estimated aggregation length Signed-off-by:
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Felix Fietkau authored
Since ieee80211_tx_info does not have enough room to encode HE rates, HE drivers use status->rate to provide rate info. Store it in struct sta_info and use it for AQL. Signed-off-by:
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- 26 Aug, 2020 1 commit
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David S. Miller authored
Jakub Kicinski says: ==================== net: fix netpoll crash with bnxt Rob run into crashes when using XDP on bnxt. Upon investigation it turns out that during driver reconfig irq core produces a warning message when IRQs are requested. This triggers netpoll, which in turn accesses uninitialized driver state. Same crash can also be triggered on this platform by changing the number of rings. Looks like we have two missing pieces here, netif_napi_add() has to make sure we start out with netpoll blocked. The driver also has to be more careful about when napi gets enabled. Tested XDP and channel count changes, the warning message no longer causes a crash. Not sure if the memory barriers added in patch 1 are necessary, but it seems we should have them. ==================== Signed-off-by:
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