- 08 Apr, 2021 1 commit
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Wei Yongjun authored
In case of error, the function i2c_new_client_device() returns ERR_PTR() and never returns NULL. The NULL test in the return value check should be replaced with IS_ERR(). Fixes: 17631e8c ("i2c: designware: Add driver support for AMD NAVI GPU") Reported-by: Hulk Robot <hulkci@huawei.com> Signed-off-by: Wei Yongjun <weiyongjun1@huawei.com> Acked-by: Jarkko Nikula <jarkko.nikula@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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- 06 Apr, 2021 1 commit
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Alain Volmat authored
Avoid CONFIG_PM preprocessor check for pm suspend/resume callbacks and identify the functions with __maybe_unused. Signed-off-by: Alain Volmat <alain.volmat@foss.st.com> Reviewed-by: Pierre-Yves MORDRET <pierre-yves.mordret@foss.st.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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- 05 Apr, 2021 6 commits
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Wolfram Sang authored
They return 0 always, so save some lines and code. Signed-off-by: Wolfram Sang <wsa@kernel.org> Acked-by: Thierry Reding <treding@nvidia.com> Tested-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Wolfram Sang authored
Since commit bc1c2048 ("i2c: bpmp-tegra: Ignore unknown I2C_M flags") we don't need to mask out flags and can keep the input variable as is to save quite some lines. Signed-off-by: Wolfram Sang <wsa@kernel.org> Acked-by: Thierry Reding <treding@nvidia.com> Tested-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Andy Shevchenko authored
Since we have generic definitions for bus frequencies, let's use them. Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Acked-by: Khalil Blaiech <kblaiech@nvidia.com> Reviewed-by: Robert Foss <robert.foss@linaro.org> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Sanket Goswami authored
The Latest AMD NAVI GPU card has an integrated Type-C controller and Designware I2C with PCI Interface. The PD controller for USB Type-C can be accessed over I2C. The client driver is part of the USB Type-C UCSI driver. Also, there exists a couple of notable IP limitations that are dealt as workarounds: - I2C transaction work on a polling mode as IP does not generate interrupt. - I2C read command sent twice to address the IP issues. - AMD NAVI GPU based products are already in the commercial market, hence some of the I2C parameters are statically programmed as they can not be part of the ACPI table. Reviewed-by: Shyam Sundar S K <Shyam-sundar.S-k@amd.com> Co-developed-by: Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@amd.com> Signed-off-by: Nehal Bakulchandra Shah <Nehal-Bakulchandra.shah@amd.com> Signed-off-by: Sanket Goswami <Sanket.Goswami@amd.com> Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Bence Csókás authored
Create an i2c_adapter for CP2615's I2C master interface Signed-off-by: Bence Csókás <bence98@sch.bme.hu> [wsa: switched to '__packed', added some 'static' and an include] Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Bence Csókás authored
This quirk signifies that the adapter cannot do a repeated START, it always issues a STOP condition after transfers. Suggested-by: Wolfram Sang <wsa@kernel.org> Signed-off-by: Bence Csókás <bence98@sch.bme.hu> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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- 31 Mar, 2021 3 commits
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Dmitry Osipenko authored
The i2c_recover_bus() returns -EOPNOTSUPP if bus recovery isn't wired up by the bus driver, which the case for Tegra I2C driver for example. This error code is then propagated to I2C client and might be confusing, thus make i2c_recover_bus() to return -EBUSY instead. Suggested-by: Wolfram Sang <wsa@the-dreams.de> Signed-off-by: Dmitry Osipenko <digetx@gmail.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Tian Tao authored
Fix the following coccicheck report: drivers/i2c/busses/i2c-stm32f7.c:2032:3-10 : platform_get_irq : line 2032 is redundant because platform_get_irq() already prints an error Remove dev_err() messages after platform_get_irq() failures. Signed-off-by: Tian Tao <tiantao6@hisilicon.com> Signed-off-by: Zihao Tang <tangzihao1@hisilicon.com> Reviewed-by: Alain Volmat <alain.volmat@foss.st.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Thierry Reding authored
Inspect a message's return value upon successful IVC transaction to determine if the I2C transaction on the BPMP side was successful. Heavily based on work by Timo Alho <talho@nvidia.com>. Signed-off-by: Thierry Reding <treding@nvidia.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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- 18 Mar, 2021 7 commits
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Wolfram Sang authored
The buggy parameters currently get caught later, but emit a noisy WARN. Userspace should not be able to trigger this, so add similar checks much earlier. Also avoids some unneeded code paths, of course. Apply kernel coding stlye to a comment while here. Reported-by: syzbot+ffb0b3ffa6cfbc7d7b3f@syzkaller.appspotmail.com Tested-by: syzbot+ffb0b3ffa6cfbc7d7b3f@syzkaller.appspotmail.com Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Rafael J. Wysocki authored
The ACPI_MODULE_NAME() definition is only used by the message printing macros from ACPICA that are not used by the code in question, so it is redundant. Drop it. No functional impact. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Wolfram Sang authored
The driver does the correct thing, so no need to question it. Signed-off-by: Wolfram Sang <wsa+renesas@sang-engineering.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Ulrich Hecht authored
Implements atomic transfers. Tested by rebooting an r8a7790 Lager board after connecting the i2c-rcar controller to the PMIC in arch/arm/boot/dts/r8a7790-lager.dts like so: compatible = "i2c-demux-pinctrl"; pinctrl-names = "default"; pinctrl-0 = <&pmic_irq_pins>; - i2c-parent = <&iic3>, <&i2c3>; + i2c-parent = <&i2c3>, <&iic3>; i2c-bus-name = "i2c-pwr"; #address-cells = <1>; #size-cells = <0>; Signed-off-by: Ulrich Hecht <uli+renesas@fpond.eu> Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Alain Volmat authored
To help debugging issues, add the address of the slave being accessed when getting an error. Signed-off-by: Alain Volmat <alain.volmat@foss.st.com> Signed-off-by: Pierre-Yves MORDRET <pierre-yves.mordret@foss.st.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Alain Volmat authored
Add the support for the i2c-digital-filter binding, allowing to enable the digital filter via the device-tree and indicate its value in the DT. Signed-off-by: Alain Volmat <alain.volmat@foss.st.com> Reviewed-by: Pierre-Yves MORDRET <pierre-yves.mordret@foss.st.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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Alain Volmat authored
Replace driver internally coded enabling/disabling of the analog-filter with the DT binding "i2c-analog-filter". Signed-off-by: Alain Volmat <alain.volmat@foss.st.com> Reviewed-by: Pierre-Yves MORDRET <pierre-yves.mordret@foss.st.com> Signed-off-by: Wolfram Sang <wsa@kernel.org>
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- 14 Mar, 2021 14 commits
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Linus Torvalds authored
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Alexey Dobriyan authored
Doing a prctl(PR_SET_MM, PR_SET_MM_AUXV, addr, 1); will copy 1 byte from userspace to (quite big) on-stack array and then stash everything to mm->saved_auxv. AT_NULL terminator will be inserted at the very end. /proc/*/auxv handler will find that AT_NULL terminator and copy original stack contents to userspace. This devious scheme requires CAP_SYS_RESOURCE. Signed-off-by: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull irq fixes from Thomas Gleixner: "A set of irqchip updates: - Make the GENERIC_IRQ_MULTI_HANDLER configuration correct - Add a missing DT compatible string for the Ingenic driver - Remove the pointless debugfs_file pointer from struct irqdomain" * tag 'irq-urgent-2021-03-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: irqchip/ingenic: Add support for the JZ4760 dt-bindings/irq: Add compatible string for the JZ4760B irqchip: Do not blindly select CONFIG_GENERIC_IRQ_MULTI_HANDLER ARM: ep93xx: Select GENERIC_IRQ_MULTI_HANDLER directly irqdomain: Remove debugfs_file from struct irq_domain
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull timer fix from Thomas Gleixner: "A single fix in for hrtimers to prevent an interrupt storm caused by the lack of reevaluation of the timers which expire in softirq context under certain circumstances, e.g. when the clock was set" * tag 'timers-urgent-2021-03-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: hrtimer: Update softirq_expires_next correctly after __hrtimer_get_next_event()
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull scheduler fixes from Thomas Gleixner: "A set of scheduler updates: - Prevent a NULL pointer dereference in the migration_stop_cpu() mechanims - Prevent self concurrency of affine_move_task() - Small fixes and cleanups related to task migration/affinity setting - Ensure that sync_runqueues_membarrier_state() is invoked on the current CPU when it is in the cpu mask" * tag 'sched-urgent-2021-03-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/membarrier: fix missing local execution of ipi_sync_rq_state() sched: Simplify set_affinity_pending refcounts sched: Fix affine_move_task() self-concurrency sched: Optimize migration_cpu_stop() sched: Collate affine_move_task() stoppers sched: Simplify migration_cpu_stop() sched: Fix migration_cpu_stop() requeueing
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull objtool fix from Thomas Gleixner: "A single objtool fix to handle the PUSHF/POPF validation correctly for the paravirt changes which modified arch_local_irq_restore not to use popf" * tag 'objtool-urgent-2021-03-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: objtool,x86: Fix uaccess PUSHF/POPF validation
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull locking fixes from Thomas Gleixner: "A couple of locking fixes: - A fix for the static_call mechanism so it handles unaligned addresses correctly. - Make u64_stats_init() a macro so every instance gets a seperate lockdep key. - Make seqcount_latch_init() a macro as well to preserve the static variable which is used for the lockdep key" * tag 'locking-urgent-2021-03-14' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: seqlock,lockdep: Fix seqcount_latch_init() u64_stats,lockdep: Fix u64_stats_init() vs lockdep static_call: Fix the module key fixup
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull perf fixes from Borislav Petkov: - Make sure PMU internal buffers are flushed for per-CPU events too and properly handle PID/TID for large PEBS. - Handle the case properly when there's no PMU and therefore return an empty list of perf MSRs for VMX to switch instead of reading random garbage from the stack. * tag 'perf_urgent_for_v5.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/perf: Use RET0 as default for guest_get_msrs to handle "no PMU" case perf/x86/intel: Set PERF_ATTACH_SCHED_CB for large PEBS and LBR perf/core: Flush PMU internal buffers for per-CPU events
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull EFI fix from Ard Biesheuvel via Borislav Petkov: "Fix an oversight in the handling of EFI_RT_PROPERTIES_TABLE, which was added v5.10, but failed to take the SetVirtualAddressMap() RT service into account" * tag 'efi-urgent-for-v5.12-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: efi: stub: omit SetVirtualAddressMap() if marked unsupported in RT_PROP table
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git://git.kernel.org/pub/scm/linux/kernel/git/tip/tipLinus Torvalds authored
Pull x86 fixes from Borislav Petkov: - A couple of SEV-ES fixes and robustifications: verify usermode stack pointer in NMI is not coming from the syscall gap, correctly track IRQ states in the #VC handler and access user insn bytes atomically in same handler as latter cannot sleep. - Balance 32-bit fast syscall exit path to do the proper work on exit and thus not confuse audit and ptrace frameworks. - Two fixes for the ORC unwinder going "off the rails" into KASAN redzones and when ORC data is missing. * tag 'x86_urgent_for_v5.12_rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: x86/sev-es: Use __copy_from_user_inatomic() x86/sev-es: Correctly track IRQ states in runtime #VC handler x86/sev-es: Check regs->sp is trusted before adjusting #VC IST stack x86/sev-es: Introduce ip_within_syscall_gap() helper x86/entry: Fix entry/exit mismatch on failed fast 32-bit syscalls x86/unwind/orc: Silence warnings caused by missing ORC data x86/unwind/orc: Disable KASAN checking in the ORC unwinder, part 2
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git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linuxLinus Torvalds authored
Pull powerpc fixes from Michael Ellerman: "Some more powerpc fixes for 5.12: - Fix wrong instruction encoding for lis in ppc_function_entry(), which could potentially lead to missed kprobes. - Fix SET_FULL_REGS on 32-bit and 64e, which prevented ptrace of non-volatile GPRs immediately after exec. - Clean up a missed SRR specifier in the recent interrupt rework. - Don't treat unrecoverable_exception() as an interrupt handler, it's called from other handlers so shouldn't do the interrupt entry/exit accounting itself. - Fix build errors caused by missing declarations for [en/dis]able_kernel_vsx(). Thanks to Christophe Leroy, Daniel Axtens, Geert Uytterhoeven, Jiri Olsa, Naveen N. Rao, and Nicholas Piggin" * tag 'powerpc-5.12-3' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux: powerpc/traps: unrecoverable_exception() is not an interrupt handler powerpc: Fix missing declaration of [en/dis]able_kernel_vsx() powerpc/64s/exception: Clean up a missed SRR specifier powerpc: Fix inverted SET_FULL_REGS bitop powerpc/64s: Use symbolic macros for function entry encoding powerpc/64s: Fix instruction encoding for lis in ppc_function_entry()
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git://git.kernel.org/pub/scm/virt/kvm/kvmLinus Torvalds authored
Pull KVM fixes from Paolo Bonzini: "More fixes for ARM and x86" * tag 'for-linus' of git://git.kernel.org/pub/scm/virt/kvm/kvm: KVM: LAPIC: Advancing the timer expiration on guest initiated write KVM: x86/mmu: Skip !MMU-present SPTEs when removing SP in exclusive mode KVM: kvmclock: Fix vCPUs > 64 can't be online/hotpluged kvm: x86: annotate RCU pointers KVM: arm64: Fix exclusive limit for IPA size KVM: arm64: Reject VM creation when the default IPA size is unsupported KVM: arm64: Ensure I-cache isolation between vcpus of a same VM KVM: arm64: Don't use cbz/adr with external symbols KVM: arm64: Fix range alignment when walking page tables KVM: arm64: Workaround firmware wrongly advertising GICv2-on-v3 compatibility KVM: arm64: Rename __vgic_v3_get_ich_vtr_el2() to __vgic_v3_get_gic_config() KVM: arm64: Don't access PMSELR_EL0/PMUSERENR_EL0 when no PMU is available KVM: arm64: Turn kvm_arm_support_pmu_v3() into a static key KVM: arm64: Fix nVHE hyp panic host context restore KVM: arm64: Avoid corrupting vCPU context register in guest exit KVM: arm64: nvhe: Save the SPE context early kvm: x86: use NULL instead of using plain integer as pointer KVM: SVM: Connect 'npt' module param to KVM's internal 'npt_enabled' KVM: x86: Ensure deadline timer has truly expired before posting its IRQ
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Linus Torvalds authored
Merge misc fixes from Andrew Morton: "28 patches. Subsystems affected by this series: mm (memblock, pagealloc, hugetlb, highmem, kfence, oom-kill, madvise, kasan, userfaultfd, memcg, and zram), core-kernel, kconfig, fork, binfmt, MAINTAINERS, kbuild, and ia64" * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (28 commits) zram: fix broken page writeback zram: fix return value on writeback_store mm/memcg: set memcg when splitting page mm/memcg: rename mem_cgroup_split_huge_fixup to split_page_memcg and add nr_pages argument ia64: fix ptrace(PTRACE_SYSCALL_INFO_EXIT) sign ia64: fix ia64_syscall_get_set_arguments() for break-based syscalls mm/userfaultfd: fix memory corruption due to writeprotect kasan: fix KASAN_STACK dependency for HW_TAGS kasan, mm: fix crash with HW_TAGS and DEBUG_PAGEALLOC mm/madvise: replace ptrace attach requirement for process_madvise include/linux/sched/mm.h: use rcu_dereference in in_vfork() kfence: fix reports if constant function prefixes exist kfence, slab: fix cache_alloc_debugcheck_after() for bulk allocations kfence: fix printk format for ptrdiff_t linux/compiler-clang.h: define HAVE_BUILTIN_BSWAP* MAINTAINERS: exclude uapi directories in API/ABI section binfmt_misc: fix possible deadlock in bm_register_write mm/highmem.c: fix zero_user_segments() with start > end hugetlb: do early cow when page pinned on src mm mm: use is_cow_mapping() across tree where proper ...
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Thomas Gleixner authored
Merge tag 'irqchip-fixes-5.12-1' of git://git.kernel.org/pub/scm/linux/kernel/git/maz/arm-platforms into irq/urgent Pull irqchip fixes from Marc Zyngier: - More compatible strings for the Ingenic irqchip (introducing the JZ4760B SoC) - Select GENERIC_IRQ_MULTI_HANDLER on the ARM ep93xx platform - Drop all GENERIC_IRQ_MULTI_HANDLER selections from the irqchip Kconfig, now relying on the architecture to get it right - Drop the debugfs_file field from struct irq_domain, now that debugfs can track things on its own
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- 13 Mar, 2021 8 commits
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-miscLinus Torvalds authored
Pull char/misc driver fixes from Greg KH: "Here are some small misc/char driver fixes to resolve some reported problems: - habanalabs driver fixes - Acrn build fixes (reported many times) - pvpanic module table export fix All of these have been in linux-next for a while with no reported issues" * tag 'char-misc-5.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/char-misc: misc/pvpanic: Export module FDT device table misc: fastrpc: restrict user apps from sending kernel RPC messages virt: acrn: Correct type casting of argument of copy_from_user() virt: acrn: Use EPOLLIN instead of POLLIN virt: acrn: Use vfs_poll() instead of f_op->poll() virt: acrn: Make remove_cpu sysfs invisible with !CONFIG_HOTPLUG_CPU cpu/hotplug: Fix build error of using {add,remove}_cpu() with !CONFIG_SMP habanalabs: fix debugfs address translation habanalabs: Disable file operations after device is removed habanalabs: Call put_pid() when releasing control device drivers: habanalabs: remove unused dentry pointer for debugfs files habanalabs: mark hl_eq_inc_ptr() as static
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/stagingLinus Torvalds authored
Pull staging driver fixes from Greg KH: "Here are some small staging driver fixes for reported problems. They include: - wfx header file cleanup patch reverted as it could cause problems - comedi driver endian fixes - buffer overflow problems for staging wifi drivers - build dependency issue for rtl8192e driver All have been in linux-next for a while with no reported problems" * tag 'staging-5.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging: (23 commits) Revert "staging: wfx: remove unused included header files" staging: rtl8188eu: prevent ->ssid overflow in rtw_wx_set_scan() staging: rtl8188eu: fix potential memory corruption in rtw_check_beacon_data() staging: rtl8192u: fix ->ssid overflow in r8192_wx_set_scan() staging: comedi: pcl726: Use 16-bit 0 for interrupt data staging: comedi: ni_65xx: Use 16-bit 0 for interrupt data staging: comedi: ni_6527: Use 16-bit 0 for interrupt data staging: comedi: comedi_parport: Use 16-bit 0 for interrupt data staging: comedi: amplc_pc236_common: Use 16-bit 0 for interrupt data staging: comedi: pcl818: Fix endian problem for AI command data staging: comedi: pcl711: Fix endian problem for AI command data staging: comedi: me4000: Fix endian problem for AI command data staging: comedi: dmm32at: Fix endian problem for AI command data staging: comedi: das800: Fix endian problem for AI command data staging: comedi: das6402: Fix endian problem for AI command data staging: comedi: adv_pci1710: Fix endian problem for AI command data staging: comedi: addi_apci_1500: Fix endian problem for command sample staging: comedi: addi_apci_1032: Fix endian problem for COS sample staging: ks7010: prevent buffer overflow in ks_wlan_set_scan() staging: rtl8712: Fix possible buffer overflow in r8712_sitesurvey_cmd ...
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/ttyLinus Torvalds authored
Pull tty/serial fixes from Greg KH: "Here are some small tty and serial driver fixes to resolve some reported problems: - led tty trigger fixes based on review and were acked by the led maintainer - revert a max310x serial driver patch as it was causing problems - revert a pty change as it was also causing problems All of these have been in linux-next for a while with no reported problems" * tag 'tty-5.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty: Revert "drivers:tty:pty: Fix a race causing data loss on close" Revert "serial: max310x: rework RX interrupt handling" leds: trigger/tty: Use led_set_brightness_sync() from workqueue leds: trigger: Fix error path to not unlock the unlocked mutex
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git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usbLinus Torvalds authored
Pull USB fixes from Greg KH: "Here are a small number of USB fixes for 5.12-rc3 to resolve a bunch of reported issues: - usbip fixups for issues found by syzbot - xhci driver fixes and quirk additions - gadget driver fixes - dwc3 QCOM driver fix - usb-serial new ids and fixes - usblp fix for a long-time issue - cdc-acm quirk addition - other tiny fixes for reported problems All of these have been in linux-next for a while with no reported issues" * tag 'usb-5.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/usb: (25 commits) xhci: Fix repeated xhci wake after suspend due to uncleared internal wake state usb: xhci: Fix ASMedia ASM1042A and ASM3242 DMA addressing xhci: Improve detection of device initiated wake signal. usb: xhci: do not perform Soft Retry for some xHCI hosts usbip: fix vudc usbip_sockfd_store races leading to gpf usbip: fix vhci_hcd attach_store() races leading to gpf usbip: fix stub_dev usbip_sockfd_store() races leading to gpf usbip: fix vudc to check for stream socket usbip: fix vhci_hcd to check for stream socket usbip: fix stub_dev to check for stream socket usb: dwc3: qcom: Add missing DWC3 OF node refcount decrement USB: usblp: fix a hang in poll() if disconnected USB: gadget: udc: s3c2410_udc: fix return value check in s3c2410_udc_probe() usb: renesas_usbhs: Clear PIPECFG for re-enabling pipe with other EPNUM usb: dwc3: qcom: Honor wakeup enabled/disabled state usb: gadget: f_uac1: stop playback on function disable usb: gadget: f_uac2: always increase endpoint max_packet_size by one audio slot USB: gadget: u_ether: Fix a configfs return code usb: dwc3: qcom: add ACPI device id for sc8180x Goodix Fingerprint device is not a modem ...
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git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofsLinus Torvalds authored
Pull erofs fix from Gao Xiang: "Fix an urgent regression introduced by commit baa2c7c9 ("block: set .bi_max_vecs as actual allocated vector number"), which could cause unexpected hung since linux 5.12-rc1. Resolve it by avoiding using bio->bi_max_vecs completely" * tag 'erofs-for-5.12-rc3' of git://git.kernel.org/pub/scm/linux/kernel/git/xiang/erofs: erofs: fix bio->bi_max_vecs behavior change
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Linus Torvalds authored
Merge tag 'kbuild-fixes-v5.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild Pull Kbuild fixes from Masahiro Yamada: - avoid 'make image_name' invoking syncconfig - fix a couple of bugs in scripts/dummy-tools - fix LLD_VENDOR and locale issues in scripts/ld-version.sh - rebuild GCC plugins when the compiler is upgraded - allow LTO to be enabled with KASAN_HW_TAGS - allow LTO to be enabled without LLVM=1 * tag 'kbuild-fixes-v5.12-2' of git://git.kernel.org/pub/scm/linux/kernel/git/masahiroy/linux-kbuild: kbuild: fix ld-version.sh to not be affected by locale kbuild: remove meaningless parameter to $(call if_changed_rule,dtc) kbuild: remove LLVM=1 test from HAS_LTO_CLANG kbuild: remove unneeded -O option to dtc kbuild: dummy-tools: adjust to scripts/cc-version.sh kbuild: Allow LTO to be selected with KASAN_HW_TAGS kbuild: dummy-tools: support MPROFILE_KERNEL checks for ppc kbuild: rebuild GCC plugins when the compiler is upgraded kbuild: Fix ld-version.sh script if LLD was built with LLD_VENDOR kbuild: dummy-tools: fix inverted tests for gcc kbuild: add image_name to no-sync-config-targets
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Minchan Kim authored
commit 0d835962 ("zram: support page writeback") introduced two problems. It overwrites writeback_store's return value as kstrtol's return value, which makes return value zero so user could see zero as return value of write syscall even though it wrote data successfully. It also breaks index value in the loop in that it doesn't increase the index any longer. It means it can write only first starting block index so user couldn't write all idle pages in the zram so lose memory saving chance. This patch fixes those issues. Link: https://lkml.kernel.org/r/20210312173949.2197662-2-minchan@kernel.org Fixes: 0d835962("zram: support page writeback") Signed-off-by: Minchan Kim <minchan@kernel.org> Reported-by: Amos Bianchi <amosbianchi@google.com> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: John Dias <joaodias@google.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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Minchan Kim authored
writeback_store's return value is overwritten by submit_bio_wait's return value. Thus, writeback_store will return zero since there was no IO error. In the end, write syscall from userspace will see the zero as return value, which could make the process stall to keep trying the write until it will succeed. Link: https://lkml.kernel.org/r/20210312173949.2197662-1-minchan@kernel.org Fixes: 3b82a051("drivers/block/zram/zram_drv.c: fix error return codes not being returned in writeback_store") Signed-off-by: Minchan Kim <minchan@kernel.org> Cc: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Cc: Colin Ian King <colin.king@canonical.com> Cc: John Dias <joaodias@google.com> Cc: <stable@vger.kernel.org> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
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