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Dan Carpenter c3d576baa6 dma-buf: fix an error pointer vs NULL bug 
commit 00ae1491f9 upstream.

Smatch detected potential error pointer dereference.

    drivers/gpu/drm/drm_syncobj.c:888 drm_syncobj_transfer_to_timeline()
    error: 'fence' dereferencing possible ERR_PTR()

The error pointer comes from dma_fence_allocate_private_stub().  One
caller expected error pointers and one expected NULL pointers.  Change
it to return NULL and update the caller which expected error pointers,
drm_syncobj_assign_null_handle(), to check for NULL instead.

Fixes: f781f661e8 ("dma-buf: keep the signaling time of merged fences v3")
Signed-off-by: Dan Carpenter <dan.carpenter@linaro.org>
Reviewed-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Sumit Semwal <sumit.semwal@linaro.org>
Signed-off-by: Sumit Semwal <sumit.semwal@linaro.org>
Link: https://patchwork.freedesktop.org/patch/msgid/b09f1996-3838-4fa2-9193-832b68262e43@moroto.mountain
Cc: Jindong Yue <jindong.yue@nxp.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2023-08-03 10:24:19 +02:00
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accessibility
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acpi ACPI: processor: perflib: Avoid updating frequency QoS unnecessarily 2023-08-03 10:24:18 +02:00
amba
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android binder: fix UAF of alloc->vma in race with munmap() 2023-05-30 14:03:19 +01:00
ata ata: pata_ns87415: mark ns87560_tf_read static 2023-08-03 10:24:07 +02:00
atm
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auxdisplay
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base PM: sleep: wakeirq: fix wake irq arming 2023-08-03 10:24:16 +02:00
bcma
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block rbd: retrieve and check lock owner twice before blocklisting 2023-08-03 10:24:17 +02:00
bluetooth Bluetooth: hci_qca: fix debugfs registration 2023-06-14 11:15:28 +02:00
bus bus: ixp4xx: fix IXP4XX_EXP_T1_MASK 2023-07-23 13:49:43 +02:00
cdrom
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char tpm_tis: Explicitly check for error code 2023-08-03 10:24:14 +02:00
clk clk: qcom: mmcc-msm8974: fix MDSS_GDSC power flags 2023-07-19 16:21:58 +02:00
clocksource clocksource/drivers/cadence-ttc: Fix memory leak in ttc_timer_probe 2023-07-19 16:20:59 +02:00
comedi
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connector
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counter
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cpufreq cpufreq: intel_pstate: Drop ACPI _PSS states table patching 2023-08-03 10:24:18 +02:00
cpuidle RISC-V: Align SBI probe implementation with spec 2023-05-11 23:03:04 +09:00
crypto crypto: qat - unmap buffers before free for RSA 2023-07-19 16:21:42 +02:00
cxl cxl/acpi: Return 'rc' instead of '0' in cxl_parse_cfmws() 2023-08-03 10:24:04 +02:00
dax dax/kmem: Pass valid argument to memory_group_register_static 2023-07-19 16:21:43 +02:00
dca
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devfreq
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dio
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dma dmaengine: pl330: rename _start to prevent build error 2023-06-09 10:34:00 +02:00
dma-buf dma-buf: fix an error pointer vs NULL bug 2023-08-03 10:24:19 +02:00
edac EDAC/qcom: Get rid of hardcoded register offsets 2023-06-21 16:00:51 +02:00
eisa
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extcon extcon: usbc-tusb320: Unregister typec port on driver removal 2023-07-19 16:22:08 +02:00
firewire
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firmware firmware: stratix10-svc: Fix a potential resource leak in svc_create_memory_pool() 2023-07-23 13:49:41 +02:00
fpga fpga: bridge: fix kernel-doc parameter description 2023-05-11 23:03:27 +09:00
fsi
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gnss
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gpio gpio: mvebu: fix irq domain leak 2023-08-03 10:23:49 +02:00
gpu dma-buf: fix an error pointer vs NULL bug 2023-08-03 10:24:19 +02:00
greybus
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hid HID: add quirk for 03f0:464a HP Elite Presenter Mouse 2023-07-27 08:50:32 +02:00
hsi
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hte hte: tegra-194: Fix off by one in tegra_hte_map_to_line_id() 2023-05-11 23:03:38 +09:00
hv Drivers: hv: vmbus: Fix vmbus_wait_for_unload() to scan present CPUs 2023-06-28 11:12:23 +02:00
hwmon hwmon: (nct7802) Fix for temp6 (PECI1) processed even if PECI1 disabled 2023-08-03 10:24:12 +02:00
hwspinlock
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hwtracing hwtracing: hisi_ptt: Fix potential sleep in atomic context 2023-07-19 16:21:58 +02:00
i2c i2c: nomadik: Remove a useless call in the remove function 2023-08-03 10:23:50 +02:00
i3c i3c: master: svc: fix cpu schedule in spin lock 2023-07-19 16:21:54 +02:00
idle
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iio meson saradc: fix clock divider mask length 2023-07-23 13:49:42 +02:00
infiniband RDMA/irdma: Report correct WC error 2023-08-03 10:24:06 +02:00
input Input: pm8941-powerkey - fix debounce on gen2+ PMICs 2023-07-19 16:21:26 +02:00
interconnect interconnect: qcom: rpm: drop bogus pm domain attach 2023-05-11 23:03:28 +09:00
iommu iommu/virtio: Return size mapped for a detached domain 2023-07-19 16:21:20 +02:00
ipack
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irqchip irqchip/gic-v4.1: Properly lock VPEs when doing a directLPI invalidation 2023-08-03 10:24:14 +02:00
isdn
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leds leds: trigger: netdev: Recheck NETDEV_LED_MODE_LINKUP on dev rename 2023-07-19 16:22:15 +02:00
macintosh macintosh: via-pmu-led: requires ATA to be set 2023-05-11 23:03:31 +09:00
mailbox mailbox: ti-msgmgr: Fill non-message tx data fields with 0x0 2023-07-19 16:22:03 +02:00
mcb mcb-pci: Reallocate memory region to avoid memory overlapping 2023-05-24 17:32:41 +01:00
md dm cache policy smq: ensure IO doesn't prevent cleaner policy progress 2023-08-03 10:24:17 +02:00
media media: amphion: Fix firmware path to match linux-firmware 2023-08-03 10:23:57 +02:00
memory memory: brcmstb_dpfe: fix testing array offset after use 2023-07-19 16:21:24 +02:00
memstick memstick r592: make memstick_debug_get_tpc_name() static 2023-07-19 16:21:08 +02:00
message scsi: message: mptlan: Fix use after free bug in mptlan_remove() due to race condition 2023-05-24 17:32:37 +01:00
mfd mfd: pm8008: Fix module autoloading 2023-07-23 13:49:37 +02:00
misc misc: pci_endpoint_test: Re-init completion for every test 2023-07-23 13:49:37 +02:00
mmc mmc: sdhci: fix DMA configure compatibility issue when 64bit DMA mode is used. 2023-07-19 16:22:09 +02:00
most
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mtd mtd: rawnand: meson: fix unaligned DMA buffers handling 2023-07-23 13:49:31 +02:00
mux
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net net: dsa: qca8k: fix mdb add/del case with 0 VID 2023-08-03 10:24:15 +02:00
nfc nfcsim.c: Fix error checking for debugfs_create_dir 2023-06-28 11:12:36 +02:00
ntb NTB: ntb_tool: Add check for devm_kcalloc 2023-07-23 13:49:24 +02:00
nubus nubus: Partially revert proc_create_single_data() conversion 2023-07-05 18:27:37 +01:00
nvdimm
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nvme nvme: don't reject probe due to duplicate IDs for single-ported PCIe devices 2023-07-23 13:49:43 +02:00
nvmem nvmem: rmem: Use NVMEM_DEVID_AUTO 2023-07-19 16:21:57 +02:00
of of: Preserve "of-display" device name for compatibility 2023-07-27 08:50:26 +02:00
opp opp: Fix use-after-free in lazy_opp_tables after probe deferral 2023-07-23 13:49:42 +02:00
parisc parisc: Replace regular spinlock with spin_trylock on panic path 2023-05-24 17:32:42 +01:00
parport
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pci PCI: rockchip: Don't advertise MSI-X in PCIe capabilities 2023-08-03 10:23:51 +02:00
pcmcia
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peci
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perf perf: RISC-V: Remove PERF_HES_STOPPED flag checking in riscv_pmu_start() 2023-07-23 13:49:44 +02:00
phy phy: hisilicon: Fix an out of bounds check in hisi_inno_phy_probe() 2023-08-03 10:23:59 +02:00
pinctrl pinctrl: renesas: rzg2l: Handle non-unique subnode names 2023-07-27 08:50:38 +02:00
platform platform/x86: msi-laptop: Fix rfkill out-of-sync on MSI Wind U100 2023-08-03 10:24:01 +02:00
pnp
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power power: supply: Fix logic checking if system is running from battery 2023-06-21 16:00:52 +02:00
powercap powercap: RAPL: Fix CONFIG_IOSF_MBI dependency 2023-07-19 16:21:00 +02:00
pps
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ps3
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ptp
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pwm pwm: meson: fix handling of period/duty if greater than UINT_MAX 2023-07-23 13:49:46 +02:00
rapidio
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ras
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regulator regulator: tps65219: Fix matching interrupts for their regulators 2023-07-19 16:22:14 +02:00
remoteproc remoteproc: imx_dsp_rproc: Fix kernel test robot sparse warning 2023-05-24 17:32:53 +01:00
reset
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rpmsg rpmsg: glink: Propagate TX failures in intentless mode as well 2023-05-11 23:03:16 +09:00
rtc rtc: st-lpc: Release some resources in st_rtc_probe() in case of error 2023-07-19 16:21:59 +02:00
s390 s390/dasd: print copy pair message only for the correct error 2023-08-03 10:24:16 +02:00
sbus
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scsi scsi: qla2xxx: Fix end of loop test 2023-07-23 13:49:49 +02:00
sh
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siox
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slimbus
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soc soc: qcom: mdt_loader: Fix unconditional call to scm_pas_mem_setup 2023-07-23 13:49:34 +02:00
soundwire soundwire: fix enumeration completion 2023-08-03 10:24:15 +02:00
spi spi: dw: Remove misleading comment for Mount Evans SoC 2023-07-27 08:50:50 +02:00
spmi spmi: Add a check for remove callback when removing a SPMI driver 2023-05-11 23:03:31 +09:00
ssb
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staging staging: ks7010: potential buffer overflow in ks_wlan_set_encode_ext() 2023-08-03 10:24:12 +02:00
target scsi: target: iscsi: Prevent login threads from racing between each other 2023-06-28 11:12:35 +02:00
tc
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tee tee: amdtee: Add return_origin to 'struct tee_cmd_load_ta' 2023-06-14 11:15:28 +02:00
thermal thermal/drivers/sun8i: Fix some error handling paths in sun8i_ths_probe() 2023-07-19 16:21:01 +02:00
thunderbolt thunderbolt: Mask ring interrupt on Intel hardware as well 2023-06-21 16:00:56 +02:00
tty tty: n_gsm: fix UAF in gsm_cleanup_mux 2023-08-03 10:24:12 +02:00
ufs scsi: ufs: ufs-mediatek: Add dependency for RESET_CONTROLLER 2023-07-23 13:49:21 +02:00
uio
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usb Revert "xhci: add quirk for host controllers that don't update endpoint DCS" 2023-08-03 10:24:12 +02:00
vdpa vduse: avoid empty string for dev name 2023-06-14 11:15:32 +02:00
vfio vfio/mdev: Move the compat_class initialization to module init 2023-07-19 16:21:41 +02:00
vhost vhost_net: revert upend_idx only on retriable error 2023-06-28 11:12:40 +02:00
video fbdev: au1200fb: Fix missing IRQ check in au1200fb_drv_probe 2023-07-27 08:50:45 +02:00
virt virt: sevguest: Add CONFIG_CRYPTO dependency 2023-07-19 16:20:55 +02:00
virtio virtio_ring: don't update event idx on get_buf 2023-05-11 23:03:31 +09:00
vlynq
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w1 w1: fix loop in w1_fini() 2023-07-19 16:21:48 +02:00
watchdog watchdog: menz069_wdt: fix watchdog initialisation 2023-06-09 10:34:07 +02:00
xen xen: speed up grant-table reclaim 2023-08-03 10:24:14 +02:00
zorro
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Kconfig
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Makefile
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