- 09 12月, 2016 7 次提交
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由 Florian Fainelli 提交于
The Lantiq Etop driver calls into PHYLIB which now checks for net_device->dev.parent, so make sure we do set it before calling into any MDIO/PHYLIB related function. Fixes: ec988ad7 ("phy: Don't increment MDIO bus refcount unless it's a different owner") Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Peng Tao 提交于
local_addr.svm_cid is host cid. We should check guest cid instead, which is remote_addr.svm_cid. Otherwise we end up resetting all connections to all guests. Cc: stable@vger.kernel.org [4.8+] Reviewed-by: NStefan Hajnoczi <stefanha@redhat.com> Signed-off-by: NPeng Tao <bergwolf@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Merge tag 'linux-can-fixes-for-4.9-20161208' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can Marc Kleine-Budde says: ==================== pull-request: can 2016-12-08 this is a pull request for one patch. Jiho Chu found and fixed a use-after-free error in the cleanup path in the peak pcan USB CAN driver. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Arjun V 提交于
Added missing dev_port assignment in cxgb4vf driver. Also made dev_port assignment of cxgb4 in sync with cxgb4vf driver. Signed-off-by: NCasey Leedom <leedom@chelsio.com> Signed-off-by: NArjun V <arjun@chelsio.com> Signed-off-by: NHariprasad Shenai <hariprasad@chelsio.com> Signed-off-by: NGanesh Goudar <ganeshgr@chelsio.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Gao Feng 提交于
When netdev_upper_dev_unlink failed in ipvlan_link_new, need to unlink the ipvlan dev with upper dev. Signed-off-by: NGao Feng <fgao@ikuai8.com> Acked-by: NMahesh Bandewar <maheshb@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Dan Carpenter 提交于
If we can't allocate the resources in gigaset_initdriver() then we should return -ENOMEM instead of zero. Fixes: 2869b23e ("[PATCH] drivers/isdn/gigaset: new M101 driver (v2)") Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Daniele Palmas 提交于
Telit LE922A MBIM based composition does not work properly with altsetting toggle done in cdc_ncm_bind_common. This patch adds CDC_MBIM_FLAG_AVOID_ALTSETTING_TOGGLE quirk to avoid this procedure that, instead, is mandatory for other modems. Signed-off-by: NDaniele Palmas <dnlplm@gmail.com> Reviewed-by: NBjørn Mork <bjorn@mork.no> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 08 12月, 2016 5 次提交
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由 추지호 提交于
Fix for bad memory access while disconnecting. netdev is freed before private data free, and dev is accessed after freeing netdev. This makes a slub problem, and it raise kernel oops with slub debugger config. Signed-off-by: NJiho Chu <jiho.chu@samsung.com> Cc: linux-stable <stable@vger.kernel.org> Signed-off-by: NMarc Kleine-Budde <mkl@pengutronix.de>
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由 Florian Fainelli 提交于
Commit 3e3aaf64 ("phy: fix mdiobus module safety") fixed the way we dealt with MDIO bus module reference count, but sort of introduced a regression in that, if an Ethernet driver registers its own MDIO bus driver, as is common, we will end up with the Ethernet driver's module->refnct set to 1, thus preventing this driver from any removal. Fix this by comparing the network device's device driver owner against the MDIO bus driver owner, and only if they are different, increment the MDIO bus module refcount. Fixes: 3e3aaf64 ("phy: fix mdiobus module safety") Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 stephen hemminger 提交于
Hyper-V (and Azure) support using NVGRE which requires some extra space for encapsulation headers. Because of this the largest allowed TSO packet is reduced. For older releases, hard code a fixed reduced value. For next release, there is a better solution which uses result of host offload negotiation. Signed-off-by: NStephen Hemminger <sthemmin@microsoft.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Alex 提交于
Support for setting the RGMII_IDMODE bit was added in the commit referenced below. However, that commit did not add the symmetrical clearing of the bit by way of setting it in "mask". Add it here. Note that the documentation marks clearing this bit as "reserved", however, according to TI, support for delaying the clock does exist in the MAC, although it is not officially supported. We tested this on a board with an RGMII to RGMII link that will not work unless this bit is cleared. Fixes: 0fb26c30 ("drivers: net: cpsw-phy-sel: add support to configure rgmii internal delay") Signed-off-by: NAlexandru Gagniuc <alex.g@adaptrum.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Merge tag 'linux-can-fixes-for-4.9-20161207' of git://git.kernel.org/pub/scm/linux/kernel/git/mkl/linux-can Marc Kleine-Budde says: ==================== pull-request: can 2016-12-07 Andrey Konovalov triggered a warning in the CAN RAW layer, which is fixed by a patch by me. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 07 12月, 2016 16 次提交
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由 Marc Kleine-Budde 提交于
This patch adds a check to limit the number of can_filters that can be set via setsockopt on CAN_RAW sockets. Otherwise allocations > MAX_ORDER are not prevented resulting in a warning. Reference: https://lkml.org/lkml/2016/12/2/230Reported-by: NAndrey Konovalov <andreyknvl@google.com> Tested-by: NAndrey Konovalov <andreyknvl@google.com> Cc: linux-stable <stable@vger.kernel.org> Signed-off-by: NMarc Kleine-Budde <mkl@pengutronix.de>
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc由 Linus Torvalds 提交于
Pull sparc fix from David Miller: "A use-before-NULL-check from Dan Carpenter" * git://git.kernel.org/pub/scm/linux/kernel/git/davem/sparc: dbri: move dereference after check for NULL
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由 Dan Carpenter 提交于
We accidentally introduced a dereference before the NULL check in xmit_descs() as part of silencing a GCC warning. Fixes: 16f46050 ("dbri: Fix compiler warning") Signed-off-by: NDan Carpenter <dan.carpenter@oracle.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/davem/net由 Linus Torvalds 提交于
Pull networking fixes from David Miller: 1) When dcbnl_cee_fill() fails to be able to push a new netlink attribute, it return 0 instead of an error code. From Pan Bian. 2) Two suffix handling fixes to FIB trie code, from Alexander Duyck. 3) bnxt_hwrm_stat_ctx_alloc() goes through all the trouble of setting and maintaining a return code 'rc' but fails to actually return it. Also from Pan Bian. 4) ping socket ICMP handler needs to validate ICMP header length, from Kees Cook. 5) caif_sktinit_module() has this interesting logic: int err = sock_register(...); if (!err) return err; return 0; Just return sock_register()'s return value directly which is the only possible correct thing to do. 6) Two bnx2x driver fixes from Yuval Mintz, return a reasonable estimate from get_ringparam() ethtool op when interface is down and avoid trying to use UDP port based tunneling on 577xx chips. 7) Fix ep93xx_eth crash on module unload from Florian Fainelli. 8) Missing uapi exports, from Stephen Hemminger. 9) Don't schedule work from sk_destruct(), because the socket will be freed upon return from that function. From Herbert Xu. 10) Buggy drivers, of which we know there is at least one, can send a huge packet into the TCP stack but forget to set the gso_size in the SKB, which causes all kinds of problems. Correct this when it happens, and emit a one-time warning with the device name included so that it can be diagnosed more easily. From Marcelo Ricardo Leitner. 11) virtio-net does DMA off the stack causes hiccups with VMAP_STACK, fix from Andy Lutomirski. 12) Fix fec driver compilation with CONFIG_M5272, from Nikita Yushchenko. 13) mlx5 fixes from Kamal Heib, Saeed Mahameed, and Mohamad Haj Yahia. (erroneously flushing queues on error, module parameter validation, etc) * git://git.kernel.org/pub/scm/linux/kernel/git/davem/net: (34 commits) net/mlx5e: Change the SQ/RQ operational state to positive logic net/mlx5e: Don't flush SQ on error net/mlx5e: Don't notify HW when filling the edge of ICO SQ net/mlx5: Fix query ISSI flow net/mlx5: Remove duplicate pci dev name print net/mlx5: Verify module parameters net: fec: fix compile with CONFIG_M5272 be2net: Add DEVSEC privilege to SET_HSW_CONFIG command. virtio-net: Fix DMA-from-the-stack in virtnet_set_mac_address() tcp: warn on bogus MSS and try to amend it uapi glibc compat: fix outer guard of net device flags enum net: stmmac: clear reset value of snps, wr_osr_lmt/snps, rd_osr_lmt before writing netlink: Do not schedule work from sk_destruct uapi: export nf_log.h uapi: export tc_skbmod.h net: ep93xx_eth: Do not crash unloading module bnx2x: Prevent tunnel config for 577xx bnx2x: Correct ringparam estimate when DOWN isdn: hisax: set error code on failure net: bnx2x: fix improper return value ...
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由 Linus Torvalds 提交于
The shmem hole punching with fallocate(FALLOC_FL_PUNCH_HOLE) does not want to race with generating new pages by faulting them in. However, the wait-queue used to delay the page faulting has a serious problem: the wait queue head (in shmem_fallocate()) is allocated on the stack, and the code expects that "wake_up_all()" will make sure that all the queue entries are gone before the stack frame is de-allocated. And that is not at all necessarily the case. Yes, a normal wake-up sequence will remove the wait-queue entry that caused the wakeup (see "autoremove_wake_function()"), but the key wording there is "that caused the wakeup". When there are multiple possible wakeup sources, the wait queue entry may well stay around. And _particularly_ in a page fault path, we may be faulting in new pages from user space while we also have other things going on, and there may well be other pending wakeups. So despite the "wake_up_all()", it's not at all guaranteed that all list entries are removed from the wait queue head on the stack. Fix this by introducing a new wakeup function that removes the list entry unconditionally, even if the target process had already woken up for other reasons. Use that "synchronous" function to set up the waiters in shmem_fault(). This problem has never been seen in the wild afaik, but Dave Jones has reported it on and off while running trinity. We thought we fixed the stack corruption with the blk-mq rq_list locking fix (commit 7fe31130: "blk-mq: update hardware and software queues for sleeping alloc"), but it turns out there was _another_ stack corruptor hiding in the trinity runs. Vegard Nossum (also running trinity) was able to trigger this one fairly consistently, and made us look once again at the shmem code due to the faults often being in that area. Reported-and-tested-by: Vegard Nossum <vegard.nossum@oracle.com>. Reported-by: NDave Jones <davej@codemonkey.org.uk> Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>
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由 David S. Miller 提交于
Saeed Mahameed says: ==================== Mellanox 100G mlx5 fixes 2016-12-04 Some bug fixes for mlx5 core and mlx5e driver. v1->v2: - replace "uint" with "unsigned int" ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Mohamad Haj Yahia 提交于
When using the negative logic (i.e. FLUSH state), after the RQ/SQ reopen we will have a time interval that the RQ/SQ is not really ready and the state indicates that its not in FLUSH state because the initial SQ/RQ struct memory starts as zeros. Now we changed the state to indicate if the SQ/RQ is opened and we will set the READY state after finishing preparing all the SQ/RQ resources. Fixes: 6e8dd6d6 ("net/mlx5e: Don't wait for SQ completions on close") Fixes: f2fde18c ("net/mlx5e: Don't wait for RQ completions on close") Signed-off-by: NMohamad Haj Yahia <mohamad@mellanox.com> Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Saeed Mahameed 提交于
We are doing SQ descriptors cleanup in driver. Fixes: 6e8dd6d6 ("net/mlx5e: Don't wait for SQ completions on close") Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Saeed Mahameed 提交于
We are going to do this a couple of steps ahead anyway. Fixes: d3c9bc27 ("net/mlx5e: Added ICO SQs") Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Kamal Heib 提交于
In old FWs query ISSI command is not supported and for some of those FWs it might fail with status other than "MLX5_CMD_STAT_BAD_OP_ERR". In such case instead of failing the driver load, we will treat any FW status other than 0 for Query ISSI FW command as ISSI not supported and assume ISSI=0 (most basic driver/FW interface). In case of driver syndrom (query ISSI failure by driver) we will fail driver load. Fixes: f62b8bb8 ('net/mlx5: Extend mlx5_core to support ConnectX-4 Ethernet functionality') Signed-off-by: NKamal Heib <kamalh@mellanox.com> Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Kamal Heib 提交于
Remove duplicate pci dev name printing from mlx5_core_warn/dbg. Fixes: 5a788398 ('net/mlx5_core: Improve mlx5 messages') Signed-off-by: NKamal Heib <kamalh@mellanox.com> Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Kamal Heib 提交于
Verify the mlx5_core module parameters by making sure that they are in the expected range and if they aren't restore them to their default values. Fixes: 9603b61d ('mlx5: Move pci device handling from mlx5_ib to mlx5_core') Signed-off-by: NKamal Heib <kamalh@mellanox.com> Signed-off-by: NSaeed Mahameed <saeedm@mellanox.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Nikita Yushchenko 提交于
Commit 80cca775 ("net: fec: cache statistics while device is down") introduced unconditional statistics-related actions. However, when driver is compiled with CONFIG_M5272, staticsics-related definitions do not exist, which results into build errors. Fix that by adding explicit handling of !defined(CONFIG_M5272) case. Fixes: 80cca775 ("net: fec: cache statistics while device is down") Signed-off-by: NNikita Yushchenko <nikita.yoush@cogentembedded.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Venkat Duvvuru 提交于
OPCODE_COMMON_GET_FN_PRIVILEGES is returning only DEVSEC privilege (Unrestricted Administrative Privilege) for Lancer NIC functions. So, driver is failing SET_HSW_CONFIG command, as DEVSEC privilege was not set in the privilege bitmap. This patch fixes the problem by setting DEVSEC privilege in SET_HSW_CONFIG’s privilege bitmap. Signed-off-by: NVenkat Duvvuru <venkatkumar.duvvuru@broadcom.com> Signed-off-by: NSuresh Reddy <suresh.reddy@broadcom.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Andy Lutomirski 提交于
With CONFIG_VMAP_STACK=y, virtnet_set_mac_address() can be passed a pointer to the stack and it will OOPS. Copy the address to the heap to prevent the crash. Cc: Michael S. Tsirkin <mst@redhat.com> Cc: Jason Wang <jasowang@redhat.com> Cc: Laura Abbott <labbott@redhat.com> Reported-by: zbyszek@in.waw.pl Signed-off-by: NAndy Lutomirski <luto@kernel.org> Acked-by: NJason Wang <jasowang@redhat.com> Acked-by: NMichael S. Tsirkin <mst@redhat.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Marcelo Ricardo Leitner 提交于
There have been some reports lately about TCP connection stalls caused by NIC drivers that aren't setting gso_size on aggregated packets on rx path. This causes TCP to assume that the MSS is actually the size of the aggregated packet, which is invalid. Although the proper fix is to be done at each driver, it's often hard and cumbersome for one to debug, come to such root cause and report/fix it. This patch amends this situation in two ways. First, it adds a warning on when this situation occurs, so it gives a hint to those trying to debug this. It also limit the maximum probed MSS to the adverised MSS, as it should never be any higher than that. The result is that the connection may not have the best performance ever but it shouldn't stall, and the admin will have a hint on what to look for. Tested with virtio by forcing gso_size to 0. v2: updated msg per David's suggestion v3: use skb_iif to find the interface and also log its name, per Eric Dumazet's suggestion. As the skb may be backlogged and the interface gone by then, we need to check if the number still has a meaning. v4: use helper tcp_gro_dev_warn() and avoid pr_warn_once inside __once, per David's suggestion Cc: Jonathan Maxwell <jmaxwell37@gmail.com> Signed-off-by: NMarcelo Ricardo Leitner <marcelo.leitner@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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- 06 12月, 2016 12 次提交
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由 Jonas Gorski 提交于
Fix a wrong condition preventing the higher net device flags IFF_LOWER_UP etc to be defined if net/if.h is included before linux/if.h. The comment makes it clear the intention was to allow partial definition with either parts. This fixes compilation of userspace programs trying to use IFF_LOWER_UP, IFF_DORMANT or IFF_ECHO. Fixes: 4a91cb61 ("uapi glibc compat: fix compile errors when glibc net/if.h included before linux/if.h") Signed-off-by: NJonas Gorski <jonas.gorski@gmail.com> Reviewed-by: NMikko Rapeli <mikko.rapeli@iki.fi> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Niklas Cassel 提交于
WR_OSR_LMT and RD_OSR_LMT have a reset value of 1. Since the reset value wasn't cleared before writing, the value in the register would be incorrect if specifying an uneven value for snps,wr_osr_lmt/snps,rd_osr_lmt. Zero is a valid value for the properties, since the databook specifies: maximum outstanding requests = WR_OSR_LMT + 1. We do not want to change the behavior for existing users when the property is missing. Therefore, default to 1 if the property is missing, since that is the same as the reset value. Signed-off-by: NNiklas Cassel <niklas.cassel@axis.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Herbert Xu 提交于
It is wrong to schedule a work from sk_destruct using the socket as the memory reserve because the socket will be freed immediately after the return from sk_destruct. Instead we should do the deferral prior to sk_free. This patch does just that. Fixes: 707693c8 ("netlink: Call cb->done from a worker thread") Signed-off-by: NHerbert Xu <herbert@gondor.apana.org.au> Tested-by: NAndrey Konovalov <andreyknvl@google.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 stephen hemminger 提交于
File is in uapi directory but not being copied on make install_headers Fixes commit 4ec9c8fbbc22 ("netfilter: nft_log: complete NFTA_LOG_FLAGS attr support"). Signed-off-by: NStephen Hemminger <sthemmin@microsoft.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 stephen hemminger 提交于
Fixes commit 735cffe5d800 ("net_sched: Introduce skbmod action") Not used by iproute2 but maybe in future. Signed-off-by: NStephen Hemminger <sthemmin@microsoft.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Florian Fainelli 提交于
When we unload the ep93xx_eth, whether we have opened the network interface or not, we will either hit a kernel paging request error, or a simple NULL pointer de-reference because: - if ep93xx_open has been called, we have created a valid DMA mapping for ep->descs, when we call ep93xx_stop, we also call ep93xx_free_buffers, ep->descs now has a stale value - if ep93xx_open has not been called, we have a NULL pointer for ep->descs, so performing any operation against that address just won't work Fix this by adding a NULL pointer check for ep->descs which means that ep93xx_free_buffers() was able to successfully tear down the descriptors and free the DMA cookie as well. Fixes: 1d22e05d ("[PATCH] Cirrus Logic ep93xx ethernet driver") Signed-off-by: NFlorian Fainelli <f.fainelli@gmail.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 David S. Miller 提交于
Yuval Mintz says: ==================== bnx2x: fixes series Two unrelated fixes for bnx2x - the first one is nice-to-have, while the other fixes fatal behaviour in older adapters. Please consider applying them to `net'. ==================== Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Mintz, Yuval 提交于
Only the 578xx adapters are capable of configuring UDP ports for the purpose of tunnelling - doing the same on 577xx might lead to a firmware assertion. We're already not claiming support for any related feature for such devices, but we also need to prevent the configuration of the UDP ports to the device in this case. Fixes: f34fa14c ("bnx2x: Add vxlan RSS support") Reported-by: NAnikina Anna <anikina@gmail.com> Signed-off-by: NYuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Mintz, Yuval 提交于
Until interface is up [and assuming ringparams weren't explicitly configured] when queried for the size of its rings bnx2x would claim they're the maximal size by default. That is incorrect as by default the maximal number of buffers would be equally divided between the various rx rings. This prevents the user from actually setting the number of elements on each rx ring to be of maximal size prior to transitioning the interface into up state. To fix this, make a rough estimation about the number of buffers. It wouldn't always be accurate, but it would be much better than current estimation and would allow users to increase number of buffers during early initialization of the interface. Reported-by: NSeymour, Shane <shane.seymour@hpe.com> Signed-off-by: NYuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Pan Bian 提交于
In function hfc4s8s_probe(), the value of return variable err should be negative on failures. However, when the call to request_region() returns NULL, the value of err is 0. This patch fixes the bug, assigning "-EBUSY" to err on the path that request_region() fails. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188931Signed-off-by: NPan Bian <bianpan2016@163.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Pan Bian 提交于
Macro BNX2X_ALLOC_AND_SET(arr, lbl, func) calls kmalloc() to allocate memory, and jumps to label "lbl" if the allocation fails. Label "lbl" first cleans memory and then returns variable rc. Before calling the macro, the value of variable rc is 0. Because 0 means no error, the callers of bnx2x_init_firmware() may be misled. This patch fixes the bug, assigning "-ENOMEM" to rc before calling macro NX2X_ALLOC_AND_SET(). Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=189141Signed-off-by: NPan Bian <bianpan2016@163.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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由 Pan Bian 提交于
When calling dma_mapping_error(), the value of return variable rc is 0. And when the call returns an unexpected value, rc is not set to a negative errno. Thus, it will return 0 on the error path, and its callers cannot detect the bug. This patch fixes the bug, assigning "-ENOMEM" to err. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=189041Signed-off-by: NPan Bian <bianpan2016@163.com> Acked-by: NYuval Mintz <Yuval.Mintz@cavium.com> Signed-off-by: NDavid S. Miller <davem@davemloft.net>
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