- Feb 22, 2016
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David S. Miller authored
Yuval Mintz says: ==================== bnx2x: Fix 848xx phys This series contains link-related fixes, mostly for the 848xx phys [2 patches are for 84833, and 2 patches are for 84858]. ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Yuval Mintz authored
Current initialization sequence is lacking, causing some configurations to fail. Signed-off-by:
Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Yuval Mintz authored
Signed-off-by:
Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Yuval Mintz authored
The phy's firmware version isn't being parsed properly as it's currently parsed like the rest of the 848xx phys. Signed-off-by:
Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Yuval Mintz authored
There's a problem in current 84833 phy configuration - in case 1Gb link is configured and jumbo-sized packets are being used, device will experience RX crc errors. Signed-off-by:
Yuval Mintz <Yuval.Mintz@qlogic.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Yuval Mintz authored
Currently, when link is using KR2 it cannot be forced to any speed other than 20g. Signed-off-by:
Yuval Mintz <Yuval.Mintz@qlogic.om> Signed-off-by:
David S. Miller <davem@davemloft.net>
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git://git.kernel.org/pub/scm/linux/kernel/git/bluetooth/bluetoothDavid S. Miller authored
Johan Hedberg says: ==================== pull request: bluetooth 2016-02-20 Here's an important patch for 4.5 which fixes potential invalid pointer access when processing completed Bluetooth HCI commands. Please let me know if there are any issues pulling. Thanks. ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Robert Jarzmik authored
The dm9000 driver doesn't work in at least one device-tree configuration, spitting an error message on irq resource : [ 1.062495] dm9000 8000000.ethernet: insufficient resources [ 1.068439] dm9000 8000000.ethernet: not found (-2). [ 1.073451] dm9000: probe of 8000000.ethernet failed with error -2 The reason behind is that the interrupt might be provided by a gpio controller, not probed when dm9000 is probed, and needing the probe deferral mechanism to apply. Currently, the interrupt is directly taken from resources. This patch changes this to use the more generic platform_get_irq(), which handles the deferral. Moreover, since commit Fixes: 7085a740 ("drivers: platform: parse IRQ flags from resources"), the interrupt trigger flags are honored in platform_get_irq(), so remove the needless code in dm9000. Signed-off-by:
Robert Jarzmik <robert.jarzmik@free.fr> Acked-by:
Marcel Ziswiler <marcel@ziswiler.com> Cc: Sergei Shtylyov <sergei.shtylyov@cogentembedded.com> Tested-by:
Sergei Ianovich <ynvich@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ken Kawasaki authored
fix incorrect indexing of dev->dev_addr[] when copying the MAC address of FMV-J182 at buf[5]. Signed-off-by:
Ken Kawasaki <ken_kawasaki@nifty.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Shrikrishna Khare authored
Device emulation supports max size of 4096. Signed-off-by:
Shrikrishna Khare <skhare@vmware.com> Signed-off-by:
Bhavesh Davda <bhavesh@vmware.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Murali Karicheri says: ==================== net: ti: netcp: restore get/set_pad_info() functionality This series fixes a regression and add some improvements for the ease of maintainance. Incorporated comments against v1. Changelogs: v2 : combined 2-3 into one patch as this involves a header change fixed a parse warning in 3/4 per comment from Arnd. Removed Sign-off from Arnd against 1/4 added comments in 3/3 to alert on the usage of sw data per review comments v1 : added 2-4 to accomodate feedback received from review v0 : initial version to fix the regression (From Grygorii) ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Karicheri, Muralidharan authored
SW data field in descriptor can be used by software to hold private data for the driver. As there are 4 words available for this purpose, use separate macros to place it or retrieve the same to/from descriptors. Also do type cast of data types accordingly. Cc: Wingman Kwok <w-kwok2@ti.com> Cc: Mugunthan V N <mugunthanvnm@ti.com> CC: Arnd Bergmann <arnd@arndb.de> CC: Grygorii Strashko <grygorii.strashko@ti.com> CC: David Laight <David.Laight@ACULAB.COM> Signed-off-by:
Murali Karicheri <m-karicheri2@ti.com> Acked-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Karicheri, Muralidharan authored
Rename the pad to sw_data as per description of this field in the hardware spec(refer sprugr9 from www.ti.com). Latest version of the document is at http://www.ti.com/lit/ug/sprugr9h/sprugr9h.pdf and section 3.1 Host Packet Descriptor describes this field. Define and use a constant for the size of sw_data field similar to other fields in the struct for desc and document the sw_data field in the header. As the sw_data is not touched by hw, it's type can be changed to u32. Rename the helpers to match with the updated dma desc field sw_data. Cc: Wingman Kwok <w-kwok2@ti.com> Cc: Mugunthan V N <mugunthanvnm@ti.com> CC: Arnd Bergmann <arnd@arndb.de> CC: Grygorii Strashko <grygorii.strashko@ti.com> CC: David Laight <David.Laight@ACULAB.COM> Signed-off-by:
Murali Karicheri <m-karicheri2@ti.com> Acked-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Karicheri, Muralidharan authored
The commit 89907779 ("netcp: try to reduce type confusion in descriptors") introduces a regression in Kernel 4.5-rc1 and it breaks get/set_pad_info() functionality. The TI NETCP driver uses pad0 and pad1 fields of knav_dma_desc to store DMA/MEM buffer pointer and buffer size respectively. And in both cases for Keystone 2 the pointer type size is 32 bit regardless of LAPE enabled or not, because CONFIG_ARCH_DMA_ADDR_T_64BIT originally is not expected to be defined. Unfortunately, above commit changed buffer's pointers save/restore code (get/set_pad_info()) and added intermediate conversation to u64 which works incorrectly on 32bit Keystone 2 and causes TI NETCP driver crash in RX/TX path due to "Unable to handle kernel NULL pointer" exception. This issue was reported and discussed in [1]. Hence, fix it by partially reverting above commit and restoring get/set_pad_info() functionality as it was before. [1] https://www.mail-archive.com/netdev@vger.kernel.org/msg95361.html Cc: Wingman Kwok <w-kwok2@ti.com> Cc: Mugunthan V N <mugunthanvnm@ti.com> CC: David Laight <David.Laight@ACULAB.COM> CC: Arnd Bergmann <arnd@arndb.de> Reported-by:
Franklin S Cooper Jr <fcooper@ti.com> Signed-off-by:
Grygorii Strashko <grygorii.strashko@ti.com> Signed-off-by:
Murali Karicheri <m-karicheri2@ti.com> Acked-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Ian Campbell authored
Wei has been picking this up for quite a while now. Signed-off-by:
Ian Campbell <ian.campbell@citrix.com> Cc: Wei Liu <wei.liu2@citrix.com> Acked-by:
Wei Liu <wei.liu2@citrix.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Neil Horman authored
Dmitry Vyukov noted recently that the sctp_port_hashtable had an error in its size computation, observing that the current method never guaranteed that the hashsize (measured in number of entries) would be a power of two, which the input hash function for that table requires. The root cause of the problem is that two values need to be computed (one, the allocation order of the storage requries, as passed to __get_free_pages, and two the number of entries for the hash table). Both need to be ^2, but for different reasons, and the existing code is simply computing one order value, and using it as the basis for both, which is wrong (i.e. it assumes that ((1<<order)*PAGE_SIZE)/sizeof(bucket) is still ^2 when its not). To fix this, we change the logic slightly. We start by computing a goal allocation order (which is limited by the maximum size hash table we want to support. Then we attempt to allocate that size table, decreasing the order until a successful allocation is made. Then, with the resultant successful order we compute the number of buckets that hash table supports, which we then round down to the nearest power of two, giving us the number of entries the table actually supports. I've tested this locally here, using non-debug and spinlock-debug kernels, and the number of entries in the hashtable consistently work out to be powers of two in all cases. Signed-off-by:
Neil Horman <nhorman@tuxdriver.com> Reported-by:
Dmitry Vyukov <dvyukov@google.com> CC: Dmitry Vyukov <dvyukov@google.com> CC: Vladislav Yasevich <vyasevich@gmail.com> CC: "David S. Miller" <davem@davemloft.net> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- Feb 20, 2016
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Douglas Anderson authored
In commit 44d27137 ("Bluetooth: Compress the size of struct hci_ctrl") we squashed down the size of the structure by using a union with the assumption that all users would use the flag to determine whether we had a req_complete or a req_complete_skb. Unfortunately we had a case in hci_req_cmd_complete() where we weren't looking at the flag. This can result in a situation where we might be storing a hci_req_complete_skb_t in a hci_req_complete_t variable, or vice versa. During some testing I found at least one case where the function hci_req_sync_complete() was called improperly because the kernel thought that it didn't require an SKB. Looking through the stack in kgdb I found that it was called by hci_event_packet() and that hci_event_packet() had both of its locals "req_complete" and "req_complete_skb" pointing to the same place: both to hci_req_sync_complete(). Let's make sure we always check the flag. For more details on debugging done, see <http://crbug.com/588288>. Fixes: 44d27137 ("Bluetooth: Compress the size of struct hci_ctrl") Signed-off-by:
Douglas Anderson <dianders@chromium.org> Acked-by:
Johan Hedberg <johan.hedberg@intel.com> Signed-off-by:
Marcel Holtmann <marcel@holtmann.org>
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Jaedon Shin authored
The PHY link state is not chaged in GENETv2 caused by the previous commit 49f7a471 ("net: bcmgenet: Properly configure PHY to ignore interrupt") was set to PHY_IGNORE_INTERRUPT in bcmgenet_mii_probe(). The internal PHY should use phy_mac_interrupt() when not in use PHY_POLL. The statement for phy_mac_interrupt() has two conditions. The first condition to check GENET_HAS_MDIO_INTR is not related PHY link state, so this patch removes it. Fixes: 49f7a471 ("net: bcmgenet: Properly configure PHY to ignore interrupt") Signed-off-by:
Jaedon Shin <jaedon.shin@gmail.com> Acked-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Rainer Weikusat authored
The unix_stream_read_generic function tries to use a continue statement to restart the receive loop after waiting for a message. This may not work as intended as the caller might use a recvmsg call to peek at control messages without specifying a message buffer. If this was the case, the continue will cause the function to return without an error and without the credential information if the function had to wait for a message while it had returned with the credentials otherwise. Change to using goto to restart the loop without checking the condition first in this case so that credentials are returned either way. Signed-off-by:
Rainer Weikusat <rweikusat@mobileactivedefense.com> Acked-by:
Hannes Frederic Sowa <hannes@stressinduktion.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Dmitry V. Levin authored
The value passed by unix_diag_get_exact to unix_lookup_by_ino has type __u32, but unix_lookup_by_ino's argument ino has type int, which is not a problem yet. However, when ino is compared with sock_i_ino return value of type unsigned long, ino is sign extended to signed long, and this results to incorrect comparison on 64-bit architectures for inode numbers greater than INT_MAX. This bug was found by strace test suite. Fixes: 5d3cae8b ("unix_diag: Dumping exact socket core") Signed-off-by:
Dmitry V. Levin <ldv@altlinux.org> Acked-by:
Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Michael Chan says: ==================== bnxt_en: Phy related fixes. 3 small patches to fix PHY related code. ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Michael Chan authored
If we fail to update the PHY, we should print a warning and continue. The current code to exit is buggy as it has not freed up the NIC resources yet. Signed-off-by:
Michael Chan <michael.chan@broadcom.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Michael Chan authored
Fix bnxt_update_phy_setting() to check the correct parameters when determining whether to update the PHY. Requested line speed/duplex should only be checked for forced speed mode. This avoids unnecessary link interruptions when loading the driver. Signed-off-by:
Michael Chan <michael.chan@broadcom.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Michael Chan authored
When shutting down the NIC, we shutdown async event processing before freeing all the rings. If there is a link change event during reset, the driver may miss it and the link state may be incorrect after the NIC is re-opened. Poll the link at the end of __bnxt_open_nic() to get the correct link status. Signed-off-by Michael Chan <michael.chan@broadcom.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Paul Bolle authored
The purpose of gigaset_device_release() is to kfree() the struct ser_cardstate that contains our struct device. This is done via a bit of a detour. First we make our struct device's driver_data point to the container of our struct ser_cardstate (which is a struct cardstate). In gigaset_device_release() we then retrieve that driver_data again. And after that we finally kfree() the struct ser_cardstate that was saved in the struct cardstate. All of this can be achieved much easier by using container_of() to get from our struct device to its container, struct ser_cardstate. Do so. Note that at the time the detour was implemented commit b8b2c7d8 ("base/platform: assert that dev_pm_domain callbacks are called unconditionally") had just entered the tree. That commit disconnected our platform_device and our platform_driver. These were reconnected again in v4.5-rc2 through commit 25cad69f ("base/platform: Fix platform drivers with no probe callback"). And one of the consequences of that fix was that it broke the detour via driver_data. That's because it made __device_release_driver() stop being a NOP for our struct device and actually do stuff again. One of the things it now does, is setting our driver_data to NULL. That, in turn, makes it impossible for gigaset_device_release() to get to our struct cardstate. Which has the net effect of leaking a struct ser_cardstate at every call of this driver's tty close() operation. So using container_of() has the additional benefit of actually working. Reported-by:
Dmitry Vyukov <dvyukov@google.com> Tested-by:
Dmitry Vyukov <dvyukov@google.com> Signed-off-by:
Paul Bolle <pebolle@tiscali.nl> Acked-by:
Tilman Schmidt <tilman@imap.cc> Signed-off-by:
David S. Miller <davem@davemloft.net>
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David S. Miller authored
Merge tag 'wireless-drivers-for-davem-2016-02-18' of git://git.kernel.org/pub/scm/linux/kernel/git/kvalo/wireless-drivers Kalle Valo says: ==================== rtlwifi * fix broken VHT (802.11ac) support, reported by Linus wlcore * fix firmware initialisation regression on wl1271 iwlwifi * fix a race that users reported when we try to load the firmware and the hardware rfkill interrupt triggers at the same time * fix a very visible bug in scheduled scan: the firmware doesn't support scheduled scan with no profile configured and the supplicant sometimes requests such scheduled scans * build system fix to be able to link iwlwifi statically into kernel * firmware name update for 8265 * typo fix in return value ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Steve Wise authored
The vpd strings are left justified, in a fixed length array, with possible trailing white space and no NUL. So fix them up before calling kstrto*(). This is a recent regression which causes cxgb3 to fail to load. Fixes: e72c932d ("cxgb3: Convert simple_strtoul to kstrtox") Signed-off-by:
Steve Wise <swise@opengridcomputing.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Paolo Abeni authored
the commit 35e2d115 ("tunnels: Allow IPv6 UDP checksums to be correctly controlled.") changed the default xmit checksum setting for lwt vxlan/geneve ipv6 tunnels, so that now the checksum is not set into external UDP header. This commit changes the rx checksum setting for both lwt vxlan/geneve devices created by openvswitch accordingly, so that lwt over ipv6 tunnel pairs are again able to communicate with default values. Signed-off-by:
Paolo Abeni <pabeni@redhat.com> Acked-by:
Jiri Benc <jbenc@redhat.com> Acked-by:
Jesse Gross <jesse@kernel.org> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Insu Yun authored
tipc_bcast_unlock need to be unlocked in error path. Signed-off-by:
Insu Yun <wuninsu@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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git://git.open-mesh.org/linux-mergeDavid S. Miller authored
Antonio Quartulli says: ==================== Two of the fixes included in this patchset prevent wrong memory access - it was triggered when removing an object from a list after it was already free'd due to bad reference counting. This misbehaviour existed for both the gw_node and the orig_node_vlan object and has been fixed by Sven Eckelmann. The last patch fixes our interface feasibility check and prevents it from looping indefinitely when two net_device objects reference each other via iflink index (i.e. veth pair), by Andrew Lunn ==================== Signed-off-by:
David S. Miller <davem@davemloft.net>
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Anton Protopopov authored
An error response from a RTM_GETNETCONF request can return the positive error value EINVAL in the struct nlmsgerr that can mislead userspace. Signed-off-by:
Anton Protopopov <a.s.protopopov@gmail.com> Acked-by:
Cong Wang <xiyou.wangcong@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Nikolay Aleksandrov authored
When I used netdev_for_each_lower_dev in commit bad53162 ("vrf: remove slave queue and private slave struct") I thought that it acts like netdev_for_each_lower_private and can be used to remove the current device from the list while walking, but unfortunately it acts more like netdev_for_each_lower_private_rcu and doesn't allow it. The difference is where the "iter" points to, right now it points to the current element and that makes it impossible to remove it. Change the logic to be similar to netdev_for_each_lower_private and make it point to the "next" element so we can safely delete the current one. VRF is the only such user right now, there's no change for the read-only users. Here's what can happen now: [98423.249858] general protection fault: 0000 [#1] SMP [98423.250175] Modules linked in: vrf bridge(O) stp llc nfsd auth_rpcgss oid_registry nfs_acl nfs lockd grace sunrpc crct10dif_pclmul crc32_pclmul crc32c_intel ghash_clmulni_intel jitterentropy_rng sha256_generic hmac drbg ppdev aesni_intel aes_x86_64 glue_helper lrw gf128mul ablk_helper cryptd evdev serio_raw pcspkr virtio_balloon parport_pc parport i2c_piix4 i2c_core virtio_console acpi_cpufreq button 9pnet_virtio 9p 9pnet fscache ipv6 autofs4 ext4 crc16 mbcache jbd2 sg virtio_blk virtio_net sr_mod cdrom e1000 ata_generic ehci_pci uhci_hcd ehci_hcd usbcore usb_common virtio_pci ata_piix libata floppy virtio_ring virtio scsi_mod [last unloaded: bridge] [98423.255040] CPU: 1 PID: 14173 Comm: ip Tainted: G O 4.5.0-rc2+ #81 [98423.255386] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.8.1-20150318_183358- 04/01/2014 [98423.255777] task: ffff8800547f5540 ti: ffff88003428c000 task.ti: ffff88003428c000 [98423.256123] RIP: 0010:[<ffffffff81514f3e>] [<ffffffff81514f3e>] netdev_lower_get_next+0x1e/0x30 [98423.256534] RSP: 0018:ffff88003428f940 EFLAGS: 00010207 [98423.256766] RAX: 0002000100000004 RBX: ffff880054ff9000 RCX: 0000000000000000 [98423.257039] RDX: ffff88003428f8b8 RSI: ffff88003428f950 RDI: ffff880054ff90c0 [98423.257287] RBP: ffff88003428f940 R08: 0000000000000000 R09: 0000000000000000 [98423.257537] R10: 0000000000000001 R11: 0000000000000000 R12: ffff88003428f9e0 [98423.257802] R13: ffff880054a5fd00 R14: ffff88003428f970 R15: 0000000000000001 [98423.258055] FS: 00007f3d76881700(0000) GS:ffff88005d000000(0000) knlGS:0000000000000000 [98423.258418] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [98423.258650] CR2: 00007ffe5951ffa8 CR3: 0000000052077000 CR4: 00000000000406e0 [98423.258902] Stack: [98423.259075] ffff88003428f960 ffffffffa0442636 0002000100000004 ffff880054ff9000 [98423.259647] ffff88003428f9b0 ffffffff81518205 ffff880054ff9000 ffff88003428f978 [98423.260208] ffff88003428f978 ffff88003428f9e0 ffff88003428f9e0 ffff880035b35f00 [98423.260739] Call Trace: [98423.260920] [<ffffffffa0442636>] vrf_dev_uninit+0x76/0xa0 [vrf] [98423.261156] [<ffffffff81518205>] rollback_registered_many+0x205/0x390 [98423.261401] [<ffffffff815183ec>] unregister_netdevice_many+0x1c/0x70 [98423.261641] [<ffffffff8153223c>] rtnl_delete_link+0x3c/0x50 [98423.271557] [<ffffffff815335bb>] rtnl_dellink+0xcb/0x1d0 [98423.271800] [<ffffffff811cd7da>] ? __inc_zone_state+0x4a/0x90 [98423.272049] [<ffffffff815337b4>] rtnetlink_rcv_msg+0x84/0x200 [98423.272279] [<ffffffff810cfe7d>] ? trace_hardirqs_on+0xd/0x10 [98423.272513] [<ffffffff8153370b>] ? rtnetlink_rcv+0x1b/0x40 [98423.272755] [<ffffffff81533730>] ? rtnetlink_rcv+0x40/0x40 [98423.272983] [<ffffffff8155d6e7>] netlink_rcv_skb+0x97/0xb0 [98423.273209] [<ffffffff8153371a>] rtnetlink_rcv+0x2a/0x40 [98423.273476] [<ffffffff8155ce8b>] netlink_unicast+0x11b/0x1a0 [98423.273710] [<ffffffff8155d2f1>] netlink_sendmsg+0x3e1/0x610 [98423.273947] [<ffffffff814fbc98>] sock_sendmsg+0x38/0x70 [98423.274175] [<ffffffff814fc253>] ___sys_sendmsg+0x2e3/0x2f0 [98423.274416] [<ffffffff810d841e>] ? do_raw_spin_unlock+0xbe/0x140 [98423.274658] [<ffffffff811e1bec>] ? handle_mm_fault+0x26c/0x2210 [98423.274894] [<ffffffff811e19cd>] ? handle_mm_fault+0x4d/0x2210 [98423.275130] [<ffffffff81269611>] ? __fget_light+0x91/0xb0 [98423.275365] [<ffffffff814fcd42>] __sys_sendmsg+0x42/0x80 [98423.275595] [<ffffffff814fcd92>] SyS_sendmsg+0x12/0x20 [98423.275827] [<ffffffff81611bb6>] entry_SYSCALL_64_fastpath+0x16/0x7a [98423.276073] Code: c3 31 c0 5d c3 0f 1f 84 00 00 00 00 00 66 66 66 66 90 48 8b 06 55 48 81 c7 c0 00 00 00 48 89 e5 48 8b 00 48 39 f8 74 09 48 89 06 <48> 8b 40 e8 5d c3 31 c0 5d c3 0f 1f 84 00 00 00 00 00 66 66 66 [98423.279639] RIP [<ffffffff81514f3e>] netdev_lower_get_next+0x1e/0x30 [98423.279920] RSP <ffff88003428f940> CC: David Ahern <dsa@cumulusnetworks.com> CC: David S. Miller <davem@davemloft.net> CC: Roopa Prabhu <roopa@cumulusnetworks.com> CC: Vlad Yasevich <vyasevic@redhat.com> Fixes: bad53162 ("vrf: remove slave queue and private slave struct") Signed-off-by:
Nikolay Aleksandrov <nikolay@cumulusnetworks.com> Reviewed-by:
David Ahern <dsa@cumulusnetworks.com> Tested-by:
David Ahern <dsa@cumulusnetworks.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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- Feb 19, 2016
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Arnd Bergmann authored
This avoids a harmless randconfig warning I get when USB_NET_CDC_SUBSET is enabled, but all of the more specific drivers are not: drivers/net/usb/cdc_subset.c:241:2: #warning You need to configure some hardware for this driver The current behavior is clearly intentional, giving a warning when a user picks a configuration that won't do anything good. The only reason for even addressing this is that I'm getting close to eliminating all 'randconfig' warnings on ARM, and this came up a couple of times. My workaround is to not even build the module when none of the configurations are enable. Alternatively we could simply remove the #warning (nothing wrong for compile-testing), turn it into a runtime warning, or change the Kconfig options into a menu to hide CONFIG_USB_NET_CDC_SUBSET. Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jiri Benc authored
In metadata mode, the vxlan interface is not supposed to use the fdb control plane but an external one (openvswitch or static routes). With the current code, packets may leak into the fdb handling code which usually causes them to be dropped anyway but may have strange side effects. Just drop the packets directly when in metadata mode if the destination data are not correctly provided on egress. Signed-off-by:
Jiri Benc <jbenc@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Anton Protopopov authored
A return value of the bchannel_get_rxbuf() function is compared with the positive ENOMEM value instead of the negative -ENOMEM value to detect a memory allocation problem. Thus, after a possible memory allocation failure the bc->bch.rx_skb will be NULL which will lead to a NULL pointer dereference. Signed-off-by:
Anton Protopopov <a.s.protopopov@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Anton Protopopov authored
The cfrfml_receive() function might return positive value EPROTO Signed-off-by:
Anton Protopopov <a.s.protopopov@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Anton Protopopov authored
The atalk_sendmsg() function might return wrong value ENETUNREACH instead of -ENETUNREACH. Signed-off-by:
Anton Protopopov <a.s.protopopov@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Amitoj Kaur Chawla authored
Failure of kzalloc should cause the enclosing function to return -ENOMEM, not -ENODEV. Additionally, removed the following checkpatch warnings: ERROR: spaces required around that '==' (ctx:VxV) ERROR: space required before the open parenthesis '(' CHECK: Comparison to NULL could be written "!lp" Signed-off-by:
Amitoj Kaur Chawla <amitoj1606@gmail.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Phil Sutter authored
My implementation around IFF_NO_QUEUE driver flag assumed that leaving tx_queue_len untouched (specifically: not setting it to zero) by drivers would make it possible to assign a regular qdisc to them without having to worry about setting tx_queue_len to a useful value. This was only partially true: I overlooked that some drivers don't call ether_setup() and therefore not initialize tx_queue_len to the default value of 1000. Consequently, removing the workarounds in place for that case in qdisc implementations which cared about it (namely, pfifo, bfifo, gred, htb, plug and sfb) leads to problems with these specific interface types and qdiscs. Luckily, there's already a sanitization point for drivers setting tx_queue_len to zero, which can be reused to assign the fallback value most qdisc implementations used, which is 1. Fixes: 348e3435 ("net: sched: drop all special handling of tx_queue_len == 0") Tested-by:
Mathieu Desnoyers <mathieu.desnoyers@efficios.com> Signed-off-by:
Phil Sutter <phil@nwl.cc> Signed-off-by:
David S. Miller <davem@davemloft.net>
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Jiri Benc authored
ether_setup sets IFF_TX_SKB_SHARING but this is not supported by gre as it modifies the skb on xmit. Also, clean up whitespace in ipgre_tap_setup when we're already touching it. Signed-off-by:
Jiri Benc <jbenc@redhat.com> Signed-off-by:
David S. Miller <davem@davemloft.net>
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