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Jan Beulich 6286435cd0 xen-netback: properly sync TX responses 
commit 7b55984c96 upstream.

Invoking the make_tx_response() / push_tx_responses() pair with no lock
held would be acceptable only if all such invocations happened from the
same context (NAPI instance or dealloc thread). Since this isn't the
case, and since the interface "spec" also doesn't demand that multicast
operations may only be performed with no in-flight transmits,
MCAST_{ADD,DEL} processing also needs to acquire the response lock
around the invocations.

To prevent similar mistakes going forward, "downgrade" the present
functions to private helpers of just the two remaining ones using them
directly, with no forward declarations anymore. This involves renaming
what so far was make_tx_response(), for the new function of that name
to serve the new (wrapper) purpose.

While there,
- constify the txp parameters,
- correct xenvif_idx_release()'s status parameter's type,
- rename {,_}make_tx_response()'s status parameters for consistency with
  xenvif_idx_release()'s.

Fixes: 210c34dcd8 ("xen-netback: add support for multicast control")
Cc: stable@vger.kernel.org
Signed-off-by: Jan Beulich <jbeulich@suse.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Link: https://lore.kernel.org/r/980c6c3d-e10e-4459-8565-e8fbde122f00@suse.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2024-02-23 09:12:38 +01:00
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accessibility
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acpi ACPI: APEI: set memory failure flags as MF_ACTION_REQUIRED on synchronous events 2024-02-05 20:12:47 +00:00
amba
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android binder: fix race between mmput() and do_exit() 2024-01-25 15:27:39 -08:00
ata scsi: sd: Fix system start for ATA devices 2023-12-08 08:51:14 +01:00
atm atm: idt77252: fix a memleak in open_card_ubr0 2024-02-16 19:06:26 +01:00
auxdisplay auxdisplay: hd44780: move cursor home after clear display command 2023-12-08 08:51:16 +01:00
base driver core: fw_devlink: Improve detection of overlapping cycles 2024-02-23 09:12:34 +01:00
bcma
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block block/rnbd-srv: Check for unlikely string overflow 2024-02-05 20:12:52 +00:00
bluetooth Bluetooth: qca: Set both WIDEBAND_SPEECH and LE_STATES quirks for QCA2066 2024-02-05 20:12:53 +00:00
bus bus: mhi: ep: Do not allocate event ring element on stack 2024-01-31 16:17:09 -08:00
cdrom
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char hwrng: core - Fix page fault dead lock on mmap-ed hwrng 2024-01-31 16:16:58 -08:00
clk clk: imx: clk-imx8qxp: fix LVDS bypass, pixel and phy clocks 2024-02-05 20:12:57 +00:00
clocksource clocksource/drivers/timer-ti-dm: Fix make W=n kerneldoc warnings 2024-01-25 15:27:39 -08:00
comedi
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connector
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counter counter: microchip-tcb-capture: Fix the use of internal GCLK logic 2023-10-19 23:08:58 +02:00
cpufreq cpufreq: intel_pstate: Refine computation of P-state for given frequency 2024-01-31 16:17:08 -08:00
cpuidle
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crypto crypto: stm32/crc32 - fix parsing list of devices 2024-02-05 20:12:48 +00:00
cxl cxl/region：Fix overflow issue in alloc_hpa() 2024-01-31 16:17:12 -08:00
dax
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dca
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devfreq PM / devfreq: Synchronize devfreq_monitor_[start/stop] 2024-02-05 20:12:47 +00:00
dio
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dma dmaengine: fsl-qdma: Fix a memory leak related to the queue command DMA 2024-02-16 19:06:24 +01:00
dma-buf dma-buf: fix check in dma_resv_add_fence 2023-12-08 08:51:15 +01:00
edac EDAC/thunderx: Fix possible out-of-bounds string access 2024-01-25 15:27:18 -08:00
eisa
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extcon
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firewire firewire: core: correct documentation of fw_csr_string() kernel API 2024-02-23 09:12:37 +01:00
firmware firmware: arm_scmi: Check mailbox/SMT channel for consistency 2024-01-31 16:17:08 -08:00
fpga
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fsi
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gnss
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gpio gpio: eic-sprd: Clear interrupt after set the interrupt type 2024-01-31 16:17:11 -08:00
gpu drm/virtio: Set segment size for virtio_gpu device 2024-02-23 09:12:37 +01:00
greybus
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hid HID: wacom: Do not register input devices until after hid_hw_start 2024-02-23 09:12:33 +01:00
hsi
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hte hte: tegra: Fix missing error code in tegra_hte_test_probe() 2023-11-20 11:51:58 +01:00
hv
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hwmon hwmon: (coretemp) Fix bogus core_id to attr name mapping 2024-02-16 19:06:27 +01:00
hwspinlock
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hwtracing coresight: etm4x: Fix width of CCITMIN field 2024-01-20 11:50:11 +01:00
i2c i2c: i801: Fix block process call transactions 2024-02-23 09:12:35 +01:00
i3c i3c: master: cdns: Update maximum prescaler value for i2c clock 2024-02-05 20:12:58 +00:00
idle intel_idle: add Emerald Rapids Xeon support 2023-10-10 22:00:44 +02:00
iio iio: hid-sensor-als: Return 0 for HID_USAGE_SENSOR_TIME_TIMESTAMP 2024-02-23 09:12:33 +01:00
infiniband RDMA/irdma: Fix support for 64k pages 2024-02-16 19:06:31 +01:00
input Input: atkbd - skip ATKBD_CMD_SETLEDS when skipping ATKBD_CMD_GETID 2024-02-16 19:06:30 +01:00
interconnect interconnect: qcom: sc8180x: Mark CO0 BCM keepalive 2024-02-23 09:12:34 +01:00
iommu iommu/dma: Trace bounce buffer usage when mapping buffers 2024-01-25 15:27:43 -08:00
ipack
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irqchip irqchip/loongson-eiointc: Use correct struct type in eiointc_domain_alloc() 2024-02-23 09:12:35 +01:00
isdn
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leds leds: trigger: panic: Don't register panic notifier if creating the trigger failed 2024-02-05 20:12:57 +00:00
macintosh
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mailbox mailbox: arm_mhuv2: Fix a bug for mhuv2_sender_interrupt 2024-02-05 20:12:58 +00:00
mcb mcb: fix error handling for different scenarios when parsing 2023-11-28 17:07:13 +00:00
md dm-crypt, dm-verity: disable tasklets 2024-02-23 09:12:32 +01:00
media media: Revert "media: rkisp1: Drop IRQF_SHARED" 2024-02-23 09:12:36 +01:00
memory
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memstick
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message
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mfd mfd: ti_am335x_tscadc: Fix TI SoC dependencies 2024-02-05 20:12:58 +00:00
misc misc: lis3lv02d_i2c: Add missing setting of the reg_ctrl callback 2024-02-05 20:12:59 +00:00
mmc mmc: mmc_spi: remove custom DMA mapped buffers 2024-01-31 16:17:01 -08:00
most
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mtd mtd: parsers: ofpart: add workaround for #size-cells 0 2024-02-16 19:06:29 +01:00
mux
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net xen-netback: properly sync TX responses 2024-02-23 09:12:38 +01:00
nfc
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ntb
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nubus
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nvdimm nd_btt: Make BTT lanes preemptible 2023-11-20 11:52:05 +01:00
nvme nvmet-tcp: Fix the H2C expected PDU len calculation 2024-01-25 15:27:48 -08:00
nvmem nvmem: imx: correct nregs for i.MX6UL 2023-11-02 09:35:31 +01:00
of of: property: Improve finding the supplier of a remote-endpoint property 2024-02-23 09:12:30 +01:00
opp OPP: Pass rounded rate to _set_opp() 2024-01-31 16:16:58 -08:00
parisc parisc/power: Fix power soft-off button emulation on qemu 2024-01-31 16:16:59 -08:00
parport parport: parport_serial: Add Brainboxes device IDs and geometry 2024-01-20 11:50:11 +01:00
pci PCI/AER: Decode Requester ID when no error info found 2024-02-05 20:12:59 +00:00
pcmcia pcmcia: ds: fix possible name leak in error path in pcmcia_device_add() 2023-11-20 11:52:13 +01:00
peci
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perf perf: hisi: Fix use-after-free when register pmu fails 2023-11-20 11:52:01 +01:00
phy phy: ti: phy-omap-usb2: Fix NULL pointer dereference for SRP 2024-02-16 19:06:25 +01:00
pinctrl pinctrl: cy8c95x0: Fix get_pincfg 2024-01-20 11:50:09 +01:00
platform platform/x86: intel-uncore-freq: Fix types in sysfs callbacks 2024-01-31 16:17:08 -08:00
pnp PNP: ACPI: fix fortify warning 2024-02-05 20:12:47 +00:00
power power: supply: bq256xx: fix some problem in bq256xx_hw_init 2024-01-25 15:27:45 -08:00
powercap powercap: DTPM: Fix missing cpufreq_cpu_put() calls 2023-12-13 18:39:21 +01:00
pps
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ps3
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ptp ptp: annotate data-race around q->head and q->tail 2023-11-28 17:07:05 +00:00
pwm pwm: Fix out-of-bounds access in of_pwm_single_xlate() 2024-01-25 15:27:42 -08:00
rapidio
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ras
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regulator regulator: ti-abb: don't use devm_platform_ioremap_resource_byname for shared interrupt register 2024-02-05 20:13:00 +00:00
remoteproc
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reset reset: hisilicon: hi6220: fix Wvoid-pointer-to-enum-cast warning 2024-01-20 11:50:07 +01:00
rpmsg rpmsg: virtio: Free driver_override when rpmsg_remove() 2024-01-31 16:16:59 -08:00
rtc rtc: Extend timeout for waiting for UIP to clear to 1s 2024-01-31 16:17:01 -08:00
s390 s390/vfio-ap: fix sysfs status attribute for AP queue devices 2024-02-05 20:12:49 +00:00
sbus
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scsi scsi: Revert "scsi: fcoe: Fix potential deadlock on &fip->ctlr_lock" 2024-02-23 09:12:37 +01:00
sh
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siox
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slimbus
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soc soc: xilinx: fix unhandled SGI warning message 2024-02-05 20:12:50 +00:00
soundwire soundwire: stream: fix NULL pointer dereference for multi_link 2023-12-20 17:00:25 +01:00
spi spi: ppc4xx: Drop write-only variable 2024-02-23 09:12:31 +01:00
spmi spmi: mediatek: Fix UAF on device remove 2024-02-05 20:12:58 +00:00
ssb
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staging media: rkvdec: Hook the (TRY_)DECODER_CMD stateless ioctls 2024-01-25 15:27:32 -08:00
target scsi: target: core: add missing file_{start,end}_write() 2024-01-25 15:27:42 -08:00
tc
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tee tee: optee: Fix supplicant based device enumeration 2023-12-13 18:39:12 +01:00
thermal thermal: intel: hfi: Add syscore callbacks for system-wide PM 2024-01-31 16:17:09 -08:00
thunderbolt thunderbolt: Fix memory leak in margining_port_remove() 2024-01-01 12:39:08 +00:00
tty tty: allow TIOCSLCKTRMIOS with CAP_CHECKPOINT_RESTORE 2024-02-05 20:12:58 +00:00
ufs scsi: ufs: core: Remove the ufshcd_hba_exit() call from ufshcd_async_scan() 2024-01-31 16:17:00 -08:00
uio uio: Fix use-after-free in uio_open 2024-01-20 11:50:10 +01:00
usb usb: dwc3: gadget: Fix NULL pointer dereference in dwc3_gadget_suspend 2024-02-23 09:12:34 +01:00
vdpa vdpa: Fix an error handling path in eni_vdpa_probe() 2024-01-25 15:27:47 -08:00
vfio vfio/mdev: Fix a null-ptr-deref bug for mdev_unregister_parent() 2023-10-06 14:56:45 +02:00
vhost vhost: use kzalloc() instead of kmalloc() followed by memset() 2024-02-16 19:06:31 +01:00
video fbdev: flush deferred IO before closing 2024-01-25 15:27:42 -08:00
virt virt: sevguest: Fix passing a stack buffer as a scatterlist target 2023-11-20 11:52:13 +01:00
virtio virtio_pci: fix the common cfg map size 2023-11-02 09:35:23 +01:00
vlynq
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w1
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watchdog watchdog: it87_wdt: Keep WDTCTRL bit 3 unmodified for IT8784/IT8786 2024-02-05 20:12:56 +00:00
xen xen/gntdev: Fix the abuse of underlying struct page in DMA-buf import 2024-02-05 20:12:58 +00:00
zorro
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Kconfig
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Makefile
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