- 18 Jan, 2023 7 commits
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Benjamin Tissoires authored
Previously, HID-BPF was relying on a bpf tracing program to be notified when a program was released from userspace. This is error prone, as LLVM sometimes inline the function and sometimes not. So instead of messing up with the bpf prog ref count, we can use the bpf_link concept which actually matches exactly what we want: - a bpf_link represents the fact that a given program is attached to a given HID device - as long as the bpf_link has fd opened (either by the userspace program still being around or by pinning the bpf object in the bpffs), the program stays attached to the HID device - once every user has closed the fd, we get called by hid_bpf_link_release() that we no longer have any users, and we can disconnect the program to the device in 2 passes: first atomically clear the bit saying that the link is active, and then calling release_work in a scheduled work item. This solves entirely the problems of BPF tracing not showing up and is definitely cleaner. Signed-off-by:
Benjamin Tissoires <benjamin.tissoires@redhat.com> Acked-by:
Alexei Starovoitov <ast@kernel.org> Signed-off-by:
Jiri Kosina <jkosina@suse.cz>
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Benjamin Tissoires authored
We plan on changing the return value of hid_bpf_attach_prog(). Instead of returning an error code, it will return an fd to a bpf_link. This bpf_link is responsible for the binding between the bpf program and the hid device. Add a fallback mechanism to not break bisections by pinning the program when we run this test against the non changed kernel. Signed-off-by:
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Benjamin Tissoires authored
Turns out that if bpffs was not mounted, the test was silently passing. So ensure it passes by checking the mount command result. Signed-off-by:
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Benjamin Tissoires authored
Add a second BPF program to attach to the device, as the development of this feature showed that we also need to ensure we can detach multiple programs to a device (hid_bpf_link->hid_table_index was actually not set initially, and this lead to any BPF program not being released except for the first one). Signed-off-by:
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Benjamin Tissoires authored
clang doesn't like to compile a source to the final binary directly: clang-14: error: cannot specify -o when generating multiple output files So split the final rule in 2, and ensure we compile all dependencies before. Signed-off-by:
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Benjamin Tissoires authored
Similar-ish in many points from the script in selftests/bpf, with a few differences: - relies on boot2container instead of a plain qemu image (meaning that we can take any container in a registry as a base) - runs in the hid selftest dir, and such uses the test program from there - the working directory to store the config is in tools/selftests/hid/results Signed-off-by:
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Arnd Bergmann authored
There is a mix of drivers using either 'depends on HID' or 'select HID', which causes both circular dependencies and missed dependencies for a 'select': WARNING: unment direct dependencies for HID Depends on [m]: HID_SUPPORT [=y] && INPUT [=m] Selected by [y]: - AMD_SFH_HID [=y] && HID_SUPPORT [=y] && (X86_64 || COMPILE_TEST [=y]) && PCI [=y] Selected by [m]: - I2C_HID_CORE [=m] && HID_SUPPORT [=y] WARNING: unmet direct dependencies detected for INPUT_FF_MEMLESS Depends on [m]: INPUT [=m] Selected by [y]: - DRAGONRISE_FF [=y] && HID_SUPPORT [=y] && HID [=y] && HID_DRAGONRISE [=y] - HID_MICROSOFT [=y] && HID_SUPPORT [=y] && HID [=y] - GREENASIA_FF [=y] && HID_SUPPORT [=y] && HID [=y] && HID_GREENASIA [=y] Selected by [m]: - INPUT_ARIZONA_HAPTICS [=m] && INPUT [=m] && INPUT_MISC [=y] && MFD_ARIZONA [=y] && SND_SOC [=m] - INPUT_PM8XXX_VIBRATOR [=m] && INPUT [=m] && INPUT_MISC [=y] && (MFD_PM8XXX [=m] || MFD_SPMI_PMIC [=n]) - INPUT_MAX8997_HAPTIC [=m] && INPUT [=m] && INPUT_MISC [=y] && PWM [=y] && MFD_MAX8997 [=y] - INPUT_GPIO_VIBRA [=m] && INPUT [=m] && INPUT_MISC [=y] && (GPIOLIB [=y] || COMPILE_TEST [=y]) - INPUT_REGULATOR_HAPTIC [=m] && INPUT [=m] && INPUT_MISC [=y] && REGULATOR [=y] - INPUT_TWL6040_VIBRA [=m] && INPUT [=m] && INPUT_MISC [=y] && TWL6040_CORE [=y] - INPUT_PWM_VIBRA [=m] && INPUT [=m] && INPUT_MISC [=y] && PWM [=y] - INPUT_DRV260X_HAPTICS [=m] && INPUT_MISC [=y] && INPUT [=m] && I2C [=y] && (GPIOLIB [=y] || COMPILE_TEST [=y]) - INPUT_DRV2665_HAPTICS [=m] && INPUT_MISC [=y] && INPUT [=m] && I2C [=y] - INPUT_DRV2667_HAPTICS [=m] && INPUT_MISC [=y] && INPUT [=m] && I2C [=y] - INPUT_SC27XX_VIBRA [=m] && INPUT [=m] && INPUT_MISC [=y] && (MFD_SC27XX_PMIC [=y] || COMPILE_TEST [=y]) - HID_MAYFLASH [=m] && HID_SUPPORT [=y] && HID [=y] Avoid this by changing all HID client drivers to use 'depends on HID'. For I2C_HID, this requires a larger rework of the Kconfig description, but it hopefully becomes easier to understand without the complex I2C_HID_CORE definition. Fixes: 25621bcc ("HID: Kconfig: split HID support and hid-core compilation") Signed-off-by:
Arnd Bergmann <arnd@arndb.de> Acked-by:
Randy Dunlap <rdunlap@infradead.org> Reviewed-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:
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- 10 Dec, 2022 3 commits
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Benjamin Tissoires authored
The Makefile was assuming that headers_install was already done in the top source directory, and was searching for installed uapi headers there. Unfortunately this is not the case and we need to manually call that step. To do so, reorder the declaration of the variables, and reuses top_srcdir provided by lib.mk Reported-by:
kernel test robot <lkp@intel.com> Link: https://lore.kernel.org/all/202212060216.a6X8Py5H-lkp@intel.com/#tSigned-off-by:
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Benjamin Tissoires authored
DYNAMIC_FTRACE_WITH_DIRECT_CALLS is implicit on x86_64 but is still a WIP on aarm64. Ensure we get it selected to not have any surprises. Signed-off-by:
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Benjamin Tissoires authored
As mentioned in the link below, having JIT and BPF is not enough to have fentry/fexit/fmod_ret APIs. This resolves the error that happens on a system without tracing enabled when hid-bpf tries to load itself. Link: https://lore.kernel.org/r/CABRcYmKyRchQhabi1Vd9RcMQFCcb=EtWyEbFDFRTc-L-U8WhgA@mail.gmail.com Fixes: f5c27da4 ("HID: initial BPF implementation") Signed-off-by:
Florent Revest <revest@chromium.org> Reviewed-by:
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- 07 Dec, 2022 3 commits
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Benjamin Tissoires authored
Now that we have aproper non debug API to declare which function is fmodret, we can rely on it. Link: https://lore.kernel.org/all/20221121104403.1545f9b5@gandalf.local.home/Suggested-by:
Alexei Starovoitov <alexei.starovoitov@gmail.com> Signed-off-by:
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Benjamin Tissoires authored
Merge the above branch that we are sharing with the bpf folks. Signed-off-by: -
Benjamin Tissoires authored
The current way of expressing that a non-bpf kernel component is willing to accept that bpf programs can be attached to it and that they can change the return value is to abuse ALLOW_ERROR_INJECTION. This is debated in the link below, and the result is that it is not a reasonable thing to do. Reuse the kfunc declaration structure to also tag the kernel functions we want to be fmodret. This way we can control from any subsystem which functions are being modified by bpf without touching the verifier. Link: https://lore.kernel.org/all/20221121104403.1545f9b5@gandalf.local.home/Suggested-by:
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- 21 Nov, 2022 3 commits
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Colin Ian King authored
There is a spelling mistake in a comment and a usage message. Fix them. Signed-off-by:
Colin Ian King <colin.i.king@gmail.com> Reviewed-by:
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Benjamin Tissoires authored
In most configurations, INPUT is actually a boolean: either y or disabled, but when it's disabled, you can't do much on your average laptop. But it turns out that there is a possibility to have INPUT as a module: you have to disable VT and TTY (of course), but also enable EXPERT. I'll leave how to disable VT and TTY as an exercise for the bravest. Anyway, if INPUT is m, we can still configure HID as y, which is not correct because hid-input.c depends on the input API, meaning that vmlinuz can not link. So: add depends on INPUT too at the HID level, to ensure that if INPUT=m, HID can only be m or disabled. Fixes: 25621bcc ("HID: Kconfig: split HID support and hid-core compilation") Reported-by:
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Benjamin Tissoires authored
If HID_SUPPORT is not selected, BT_HIDP should not be available, simply because we disallowed the HID bus entirely. Add a new depends and actually revert this file back to where it was 10 years ago before it was changed by commit 1f41a6a9 ("HID: Fix the generic Kconfig options"). Fixes: 25621bcc ("HID: Kconfig: split HID support and hid-core compilation") Reported-by:
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- 16 Nov, 2022 1 commit
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Benjamin Tissoires authored
dispatch_hid_bpf_device_event() is supposed to return either an error, or a valid pointer to memory containing the data. Returning NULL simply makes a segfault when CONFIG_HID_BPF is not set for any processed event. Fixes: 658ee5a6 ("HID: bpf: allocate data memory for device_event BPF program") Signed-off-by:
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- 15 Nov, 2022 14 commits
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Benjamin Tissoires authored
Gives a primer on HID-BPF. Signed-off-by:
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Benjamin Tissoires authored
Add a more complete HID-BPF example. Signed-off-by:
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Benjamin Tissoires authored
Everything should be available in the selftest part of the tree, but providing an example without uhid and hidraw will be more easy to follow for users. This example will probably ever only work on the Etekcity Scroll 6E because we need to adapt the various raw values to the actual device. On that device, the X and Y axis will be swapped and inverted, and on any other device, chances are high that the device will not work until Ctrl-C is hit. The Makefiles are taken from samples/bpf to not reinvent the wheel and to force using in-kernel libbpf and bpftool. Signed-off-by:
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Benjamin Tissoires authored
Insert 3 programs to check that we are doing the correct thing: '2', '1', '3' are inserted, but '1' is supposed to be executed first. Signed-off-by:
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Benjamin Tissoires authored
Simple report descriptor override in HID: replace part of the report descriptor from a static definition in the bpf kernel program. Note that this test should be run last because we disconnect/reconnect the device, meaning that it changes the overall uhid device. Signed-off-by:
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Benjamin Tissoires authored
Add a new tracepoint hid_bpf_rdesc_fixup() so we can trigger a report descriptor fixup in the bpf world. Whenever the program gets attached/detached, the device is reconnected meaning that userspace will see it disappearing and reappearing with the new report descriptor. Reviewed-by:
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Benjamin Tissoires authored
Add tests for the newly implemented function. We test here only the GET_REPORT part because the other calls are pure HID protocol and won't infer the result of the test of the bpf hook. Signed-off-by:
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Benjamin Tissoires authored
This function can not be called under IRQ, thus it is only available while in SEC("syscall"). For consistency, this function requires a HID-BPF context to work with, and so we also provide a helper to create one based on the HID unique ID. Reviewed-by: -
Benjamin Tissoires authored
Use a different report with a bigger size and ensures we are doing things properly. Signed-off-by:
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Benjamin Tissoires authored
We need to also be able to change the size of the report. Reducing it is easy, because we already have the incoming buffer that is big enough, but extending it is harder. Pre-allocate a buffer that is big enough to handle all reports of the device, and use that as the primary buffer for BPF programs. To be able to change the size of the buffer, we change the device_event API and request it to return the size of the buffer. Reviewed-by:
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Benjamin Tissoires authored
Kind of a hack, but works for now: Instead of listening for any close of eBPF program, we now decrement the refcount when we insert it in our internal map of fd progs. This is safe to do because: - we listen to any call of destructor of programs - when a program is being destroyed, we disable it by removing it from any RCU list used by any HID device (so it will never be called) - we then trigger a job to cleanup the prog fd map, but we overwrite the removal of the elements to not do anything on the programs, just remove the allocated space This is better than previously because we can remove the map of known programs and their usage count. We now rely on the refcount of bpf, which has greater chances of being accurate. Signed-off-by:
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Benjamin Tissoires authored
The tests are pretty basic: - create a virtual uhid device that no userspace will like (to not mess up the running system) - attach a BPF prog to it - open the matching hidraw node - inject one event and check: * that the BPF program can do something on the event stream * can modify the event stream - add another test where we attach/detach BPF programs to see if we get errors Note: the Makefile is extracted from selftests/bpf so we can rebuild the libbpf and bpftool components from the current kernel tree without relying on system installed components. Signed-off-by:
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Benjamin Tissoires authored
Declare an entry point that can use fmod_ret BPF programs, and also an API to access and change the incoming data. A simpler implementation would consist in just calling hid_bpf_device_event() for any incoming event and let users deal with the fact that they will be called for any event of any device. The goal of HID-BPF is to partially replace drivers, so this situation can be problematic because we might have programs which will step on each other toes. For that, we add a new API hid_bpf_attach_prog() that can be called from a syscall and we manually deal with a jump table in hid-bpf. Whenever we add a program to the jump table (in other words, when we attach a program to a HID device), we keep the number of time we added this program in the jump table so we can release it whenever there are no other users. HID devices have an RCU protected list of available programs in the jump table, and those programs are called one after the other thanks to bpf_tail_call(). To achieve the detection of users losing their fds on the programs we attached, we add 2 tracing facilities on bpf_prog_release() (for when a fd is closed) and bpf_free_inode() (for when a pinned program gets unpinned). Reviewed-by:
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Benjamin Tissoires authored
Currently, we step into drivers/hid/ based on the value of CONFIG_HID. However, that value is a tristate, meaning that it can be a module. As per the documentation, if we jump into the subdirectory by following an obj-m, we can not compile anything inside that subdirectory in vmlinux. It is considered as a bug. To make things more friendly to HID-BPF, split HID (the HID core parameter) from HID_SUPPORT (do we want any kind of HID support in the system?), and make this new config a boolean. Reviewed-by:
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- 11 Nov, 2022 8 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/hid/hidLinus Torvalds authored
Pull HID fixes from Jiri Kosina: - fix for memory leak (on error path) in Hyper-V driver (Yang Yingliang) - regression fix for handling 3rd barrel switch emulation in Wacom driver (Jason Gerecke) * tag 'for-linus-2022111101' of git://git.kernel.org/pub/scm/linux/kernel/git/hid/hid: HID: wacom: Fix logic used for 3rd barrel switch emulation HID: hyperv: fix possible memory leak in mousevsc_probe() HID: asus: Remove unused variable in asus_report_tool_width()
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git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/soundLinus Torvalds authored
Pull sound fixes from Takashi Iwai: "Things look calming down, as this contains only a few small fixes: - Fix for a corner-case bug with SG-buffer page allocation helper - A regression fix for Roland USB-audio device probe - A potential memory leak fix at the error path - Handful quirks and device-specific fixes for HD- and USB-audio" * tag 'sound-6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: ALSA: hda: fix potential memleak in 'add_widget_node' ALSA: memalloc: Don't fall back for SG-buffer with IOMMU ALSA: usb-audio: add quirk to fix Hamedal C20 disconnect issue ALSA: hda/realtek: Add Positivo C6300 model quirk ALSA: usb-audio: Add DSD support for Accuphase DAC-60 ALSA: usb-audio: Add quirk entry for M-Audio Micro ALSA: hda/hdmi - enable runtime pm for more AMD display audio ALSA: usb-audio: Remove redundant workaround for Roland quirk ALSA: usb-audio: Yet more regression for for the delayed card registration ALSA: hda/ca0132: add quirk for EVGA Z390 DARK ALSA: hda: clarify comments on SCF changes ALSA: arm: pxa: pxa2xx-ac97-lib: fix return value check of platform_get_irq() ALSA: hda/realtek: Add quirk for ASUS Zenbook using CS35L41
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git://anongit.freedesktop.org/drm/drmLinus Torvalds authored
Pull drm fixes from Dave Airlie: "Weekly pull request for graphics, mostly amdgpu and i915, with a couple of fixes for vc4 and panfrost, panel quirks and a kconfig change for rcar-du. Nothing seems to be too strange at this stage. amdgpu: - Fix s/r in amdgpu_vram_mgr_new - SMU 13.0.4 update - GPUVM TLB race fix - DCN 3.1.4 fixes - DCN 3.2.x fixes - Vega10 fan fix - BACO fix for Beige Goby board - PSR fix - GPU VM PT locking fixes amdkfd: - CRIU fixes vc4: - HDMI fixes to vc4. panfrost: - Make panfrost's uapi header compile with C++. - Handle 1 gb boundary correctly in panfrost mmu code. panel: - Add rotation quirks for 2 panels. rcar-du: - DSI Kconfig fix i915: - Fix sg_table handling in map_dma_buf - Send PSR update also on invalidate - Do not set cache_dirty for DGFX - Restore userptr probe_range behaviour" * tag 'drm-fixes-2022-11-11' of git://anongit.freedesktop.org/drm/drm: (29 commits) drm/amd/display: only fill dirty rectangles when PSR is enabled drm/amdgpu: disable BACO on special BEIGE_GOBY card drm/amdgpu: Drop eviction lock when allocating PT BO drm/amdgpu: Unlock bo_list_mutex after error handling Revert "drm/amdgpu: Revert "drm/amdgpu: getting fan speed pwm for vega10 properly"" drm/amd/display: Enforce minimum prefetch time for low memclk on DCN32 drm/amd/display: Fix gpio port mapping issue drm/amd/display: Fix reg timeout in enc314_enable_fifo drm/amd/display: Fix FCLK deviation and tool compile issues drm/amd/display: Zeromem mypipe heap struct before using it drm/amd/display: Update SR watermarks for DCN314 drm/amdgpu: workaround for TLB seq race drm/amdkfd: Fix error handling in criu_checkpoint drm/amdkfd: Fix error handling in kfd_criu_restore_events drm/amd/pm: update SMU IP v13.0.4 msg interface header drm: rcar-du: Fix Kconfig dependency between RCAR_DU and RCAR_MIPI_DSI drm/panfrost: Split io-pgtable requests properly drm/amdgpu: Fix the lpfn checking condition in drm buddy drm: panel-orientation-quirks: Add quirk for Acer Switch V 10 (SW5-017) drm: panel-orientation-quirks: Add quirk for Nanote UMPC-01 ...
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git://git.kernel.org/pub/scm/linux/kernel/git/netdev/netLinus Torvalds authored
Pull networking fixes from Jakub Kicinski: "Including fixes from netfilter, wifi, can and bpf. Current release - new code bugs: - can: af_can: can_exit(): add missing dev_remove_pack() of canxl_packet Previous releases - regressions: - bpf, sockmap: fix the sk->sk_forward_alloc warning - wifi: mac80211: fix general-protection-fault in ieee80211_subif_start_xmit() - can: af_can: fix NULL pointer dereference in can_rx_register() - can: dev: fix skb drop check, avoid o-o-b access - nfnetlink: fix potential dead lock in nfnetlink_rcv_msg() Previous releases - always broken: - bpf: fix wrong reg type conversion in release_reference() - gso: fix panic on frag_list with mixed head alloc types - wifi: brcmfmac: fix buffer overflow in brcmf_fweh_event_worker() - wifi: mac80211: set TWT Information Frame Disabled bit as 1 - eth: macsec offload related fixes, make sure to clear the keys from memory - tun: fix memory leaks in the use of napi_get_frags - tun: call napi_schedule_prep() to ensure we own a napi - tcp: prohibit TCP_REPAIR_OPTIONS if data was already sent - ipv6: addrlabel: fix infoleak when sending struct ifaddrlblmsg to network - tipc: fix a msg->req tlv length check - sctp: clear out_curr if all frag chunks of current msg are pruned, avoid list corruption - mctp: fix an error handling path in mctp_init(), avoid leaks" * tag 'net-6.1-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net: (101 commits) eth: sp7021: drop free_netdev() from spl2sw_init_netdev() MAINTAINERS: Move Vivien to CREDITS net: macvlan: fix memory leaks of macvlan_common_newlink ethernet: tundra: free irq when alloc ring failed in tsi108_open() net: mv643xx_eth: disable napi when init rxq or txq failed in mv643xx_eth_open() ethernet: s2io: disable napi when start nic failed in s2io_card_up() net: atlantic: macsec: clear encryption keys from the stack net: phy: mscc: macsec: clear encryption keys when freeing a flow stmmac: dwmac-loongson: fix missing of_node_put() while module exiting stmmac: dwmac-loongson: fix missing pci_disable_device() in loongson_dwmac_probe() stmmac: dwmac-loongson: fix missing pci_disable_msi() while module exiting cxgb4vf: shut down the adapter when t4vf_update_port_info() failed in cxgb4vf_open() mctp: Fix an error handling path in mctp_init() stmmac: intel: Update PCH PTP clock rate from 200MHz to 204.8MHz net: cxgb3_main: disable napi when bind qsets failed in cxgb_up() net: cpsw: disable napi in cpsw_ndo_open() iavf: Fix VF driver counting VLAN 0 filters ice: Fix spurious interrupt during removal of trusted VF net/mlx5e: TC, Fix slab-out-of-bounds in parse_tc_actions net/mlx5e: E-Switch, Fix comparing termination table instance ... -
git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linuxJakub Kicinski authored
Saeed Mahameed says: ==================== mlx5 fixes 2022-11-02 This series provides bug fixes to mlx5 driver. * tag 'mlx5-fixes-2022-11-09' of git://git.kernel.org/pub/scm/linux/kernel/git/saeed/linux: net/mlx5e: TC, Fix slab-out-of-bounds in parse_tc_actions net/mlx5e: E-Switch, Fix comparing termination table instance net/mlx5e: TC, Fix wrong rejection of packet-per-second policing net/mlx5e: Fix tc acts array not to be dependent on enum order net/mlx5e: Fix usage of DMA sync API net/mlx5e: Add missing sanity checks for max TX WQE size net/mlx5: fw_reset: Don't try to load device in case PCI isn't working net/mlx5: E-switch, Set to legacy mode if failed to change switchdev mode net/mlx5: Allow async trigger completion execution on single CPU systems net/mlx5: Bridge, verify LAG state when adding bond to bridge ==================== Link: https://lore.kernel.org/r/20221109184050.108379-1-saeed@kernel.orgSigned-off-by:
Jakub Kicinski <kuba@kernel.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queueJakub Kicinski authored
Tony Nguyen says: ==================== Intel Wired LAN Driver Updates 2022-11-09 (ice, iavf) This series contains updates to ice and iavf drivers. Norbert stops disabling VF queues that are not enabled for ice driver. Michal stops accounting of VLAN 0 filter to match expectations of PF driver for iavf. * '100GbE' of git://git.kernel.org/pub/scm/linux/kernel/git/tnguy/net-queue: iavf: Fix VF driver counting VLAN 0 filters ice: Fix spurious interrupt during removal of trusted VF ==================== Link: https://lore.kernel.org/r/20221110003744.201414-1-anthony.l.nguyen@intel.comSigned-off-by:
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Wei Yongjun authored
It's not necessary to free netdev allocated with devm_alloc_etherdev() and using free_netdev() leads to double free. Fixes: fd3040b9 ("net: ethernet: Add driver for Sunplus SP7021") Signed-off-by:
Wei Yongjun <weiyongjun1@huawei.com> Link: https://lore.kernel.org/r/20221109150116.2988194-1-weiyongjun@huaweicloud.comSigned-off-by:
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Dave Airlie authored
Merge tag 'drm-intel-fixes-2022-11-10' of git://anongit.freedesktop.org/drm/drm-intel into drm-fixes - Fix sg_table handling in map_dma_buf (Matthew Auld) - Send PSR update also on invalidate (Jouni Högander) - Do not set cache_dirty for DGFX (Niranjana Vishwanathapura) - Restore userptr probe_range behaviour (Matthew Auld) Signed-off-by:
Dave Airlie <airlied@redhat.com> From: Tvrtko Ursulin <tvrtko.ursulin@linux.intel.com> Link: https://patchwork.freedesktop.org/patch/msgid/Y2zCy5q85qE9W0J8@tursulin-desk
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- 10 Nov, 2022 1 commit
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git://linuxtv.org/pinchartl/mediaDave Airlie authored
R-Car DSI Kconfig dependency fix Signed-off-by:
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