- 15 Sep, 2017 40 commits
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Al Viro authored
commit 6b0d144f upstream. Signed-off-by:
Al Viro <viro@zeniv.linux.org.uk> Signed-off-by:
Ben Hutchings <ben@decadent.org.uk>
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Al Viro authored
commit eb315d2a upstream. Signed-off-by:
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Al Viro authored
commit 414cf718 upstream. Signed-off-by:
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Marc Kleine-Budde authored
commit 5cda3ee5 upstream. This patch adds the missing kfree() in gs_cmd_reset() to free the memory that is not used anymore after usb_control_msg(). Cc: Maximilian Schneider <max@schneidersoft.net> Signed-off-by:
Marc Kleine-Budde <mkl@pengutronix.de> Signed-off-by:
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Nicholas Bellinger authored
commit 73d4e580 upstream. This patch fixes a se_cmd->cmd_kref underflow during CMD_T_ABORTED when a fabric driver drops it's second reference from below the target_core_tmr.c based callers of transport_cmd_finish_abort(). Recently with the conversion of kref to refcount_t, this bug was manifesting itself as: [705519.601034] refcount_t: underflow; use-after-free. [705519.604034] INFO: NMI handler (kgdb_nmi_handler) took too long to run: 20116.512 msecs [705539.719111] ------------[ cut here ]------------ [705539.719117] WARNING: CPU: 3 PID: 26510 at lib/refcount.c:184 refcount_sub_and_test+0x33/0x51 Since the original kref atomic_t based kref_put() didn't check for underflow and only invoked the final callback when zero was reached, this bug did not manifest in practice since all se_cmd memory is using preallocated tags. To address this, go ahead and propigate the existing return from transport_put_cmd() up via transport_cmd_finish_abort(), and change transport_cmd_finish_abort() + core_tmr_handle_tas_abort() callers to only do their local target_put_sess_cmd() if necessary. Reported-by:
Bart Van Assche <bart.vanassche@sandisk.com> Tested-by:
Gary Guo <ghg@datera.io> Tested-by:
Chu Yuan Lin <cyl@datera.io> Signed-off-by:
Nicholas Bellinger <nab@linux-iscsi.org> [bwh: Backported to 3.16: adjust context] Signed-off-by:
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Eric Biggers authored
commit 5649645d upstream. sys_add_key() and the KEYCTL_UPDATE operation of sys_keyctl() allowed a NULL payload with nonzero length to be passed to the key type's ->preparse(), ->instantiate(), and/or ->update() methods. Various key types including asymmetric, cifs.idmap, cifs.spnego, and pkcs7_test did not handle this case, allowing an unprivileged user to trivially cause a NULL pointer dereference (kernel oops) if one of these key types was present. Fix it by doing the copy_from_user() when 'plen' is nonzero rather than when '_payload' is non-NULL, causing the syscall to fail with EFAULT as expected when an invalid buffer is specified. Signed-off-by:
Eric Biggers <ebiggers@google.com> Signed-off-by:
David Howells <dhowells@redhat.com> Signed-off-by:
James Morris <james.l.morris@oracle.com> [bwh: Backported to 3.16: adjust context] Signed-off-by:
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Paolo Bonzini authored
commit 1123a604 upstream. Linu Cherian reported a WARN in cleanup_srcu_struct() when shutting down a guest running iperf on a VFIO assigned device. This happens because irqfd_wakeup() calls srcu_read_lock(&kvm->irq_srcu) in interrupt context, while a worker thread does the same inside kvm_set_irq(). If the interrupt happens while the worker thread is executing __srcu_read_lock(), updates to the Classic SRCU ->lock_count[] field or the Tree SRCU ->srcu_lock_count[] field can be lost. The docs say you are not supposed to call srcu_read_lock() and srcu_read_unlock() from irq context, but KVM interrupt injection happens from (host) interrupt context and it would be nice if SRCU supported the use case. KVM is using SRCU here not really for the "sleepable" part, but rather due to its IPI-free fast detection of grace periods. It is therefore not desirable to switch back to RCU, which would effectively revert commit 719d93cd ("kvm/irqchip: Speed up KVM_SET_GSI_ROUTING", 2014-01-16). However, the docs are overly conservative. You can have an SRCU instance only has users in irq context, and you can mix process and irq context as long as process context users disable interrupts. In addition, __srcu_read_unlock() actually uses this_cpu_dec() on both Tree SRCU and Classic SRCU. For those two implementations, only srcu_read_lock() is unsafe. When Classic SRCU's __srcu_read_unlock() was changed to use this_cpu_dec(), in commit 5a41344a ("srcu: Simplify __srcu_read_unlock() via this_cpu_dec()", 2012-11-29), __srcu_read_lock() did two increments. Therefore it kept __this_cpu_inc(), with preempt_disable/enable in the caller. Tree SRCU however only does one increment, so on most architectures it is more efficient for __srcu_read_lock() to use this_cpu_inc(), and any performance differences appear to be down in the noise. Fixes: 719d93cd ("kvm/irqchip: Speed up KVM_SET_GSI_ROUTING") Reported-by:
Linu Cherian <linuc.decode@gmail.com> Suggested-by:
Paolo Bonzini <pbonzini@redhat.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by:
Paul E. McKenney <paulmck@linux.vnet.ibm.com> [bwh: Backported to 3.16: __srcu_read_lock() still updates two different counters. So follow what _this_cpu_generic_to_op() does and use raw_local_irq_{save,restore}() and raw_cpu_ptr().] Signed-off-by:
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Paul E. McKenney authored
commit 49f5903b upstream. Currently, __srcu_read_lock() cannot be invoked from restricted environments because it contains calls to preempt_disable() and preempt_enable(), both of which can invoke lockdep, which is a bad idea in some restricted execution modes. This commit therefore moves the preempt_disable() and preempt_enable() from __srcu_read_lock() to srcu_read_lock(). It also inserts the preempt_disable() and preempt_enable() around the call to __srcu_read_lock() in do_exit(). Signed-off-by:
Josh Triplett <josh@joshtriplett.org> [bwh: Backported to 3.16: - Drop changes in do_exit() - Adjust context] Signed-off-by:
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Christian Lamparter authored
commit 19d90ece upstream. This patch fixes a problem where the AR8035 PHY can't be detected on an Cisco Meraki MR24, if the ethernet cable is not connected on boot. Russell Senior provided steps to reproduce the issue: |Disconnect ethernet cable, apply power, wait until device has booted, |plug in ethernet, check for interfaces, no eth0 is listed. | |This appears to be a problem during probing of the AR8035 Phy chip. |When ethernet has no link, the phy detection fails, and eth0 is not |created. Plugging ethernet later has no effect, because there is no |interface as far as the kernel is concerned. The relevant part of |the boot log looks like this: |this is the failing case: | |[ 0.876611] /plb/opb/emac-rgmii@ef601500: input 0 in RGMII mode |[ 0.882532] /plb/opb/ethernet@ef600c00: reset timeout |[ 0.888546] /plb/opb/ethernet@ef600c00: can't find PHY! |and the succeeding case: | |[ 0.876672] /plb/opb/emac-rgmii@ef601500: input 0 in RGMII mode |[ 0.883952] eth0: EMAC-0 /plb/opb/ethernet@ef600c00, MAC 00:01:.. |[ 0.890822] eth0: found Atheros 8035 Gigabit Ethernet PHY (0x01) Based on the comment and the commit message of commit 23fbb5a8 ("emac: Fix EMAC soft reset on 460EX/GT"). This is because the AR8035 PHY doesn't provide the TX Clock, if the ethernet cable is not attached. This causes the reset to timeout and the PHY detection code in emac_init_phy() is unable to detect the AR8035 PHY. As a result, the emac driver bails out early and the user left with no ethernet. In order to stay compatible with existing configurations, the driver tries the current reset approach at first. Only if the first attempt timed out, it does perform one more retry with the clock temporarily switched to the internal source for just the duration of the reset. LEDE-Bug: #687 <https://bugs.lede-project.org/index.php?do=details&task_id=687> Cc: Chris Blake <chrisrblake93@gmail.com> Reported-by:
Russell Senior <russell@personaltelco.net> Fixes: 23fbb5a8 ("emac: Fix EMAC soft reset on 460EX/GT") Signed-off-by:
Christian Lamparter <chunkeey@googlemail.com> Reviewed-by:
Andrew Lunn <andrew@lunn.ch> Signed-off-by:
David S. Miller <davem@davemloft.net> Signed-off-by:
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Marcin Nowakowski authored
commit 698b8510 upstream. When ftrace is used with kprobes, it is possible for a kprobe to contain an invalid location (ie. only initialised to 0 and not to a specific location in the code). Trying to perform a cache flush on such location leads to a crash r4k_flush_icache_range(). Fixes: c1bf207d ("MIPS: kprobe: Add support.") Signed-off-by:
Marcin Nowakowski <marcin.nowakowski@imgtec.com> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/16296/Signed-off-by:
Ralf Baechle <ralf@linux-mips.org> Signed-off-by:
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Wanpeng Li authored
commit a3641631 upstream. If "i" is the last element in the vcpu->arch.cpuid_entries[] array, it potentially can be exploited the vulnerability. this will out-of-bounds read and write. Luckily, the effect is small: /* when no next entry is found, the current entry[i] is reselected */ for (j = i + 1; ; j = (j + 1) % nent) { struct kvm_cpuid_entry2 *ej = &vcpu->arch.cpuid_entries[j]; if (ej->function == e->function) { It reads ej->maxphyaddr, which is user controlled. However... ej->flags |= KVM_CPUID_FLAG_STATE_READ_NEXT; After cpuid_entries there is int maxphyaddr; struct x86_emulate_ctxt emulate_ctxt; /* 16-byte aligned */ So we have: - cpuid_entries at offset 1B50 (6992) - maxphyaddr at offset 27D0 (6992 + 3200 = 10192) - padding at 27D4...27DF - emulate_ctxt at 27E0 And it writes in the padding. Pfew, writing the ops field of emulate_ctxt would have been much worse. This patch fixes it by modding the index to avoid the out-of-bounds access. Worst case, i == j and ej->function == e->function, the loop can bail out. Reported-by:
Moguofang <moguofang@huawei.com> Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Radim Krčmář <rkrcmar@redhat.com> Cc: Guofang Mo <moguofang@huawei.com> Signed-off-by:
Wanpeng Li <wanpeng.li@hotmail.com> Signed-off-by:
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SeongJae Park authored
commit 14fc42fa upstream. Few shell command examples in perf-script-python.txt has few nitpicks include: - tools/perf/scripts/python directory listing command is unnecessarily repeated. - few examples contain additional information in command prompt unnecessarily and inconsistently. This commit fixes them to enhance readability of the document. Signed-off-by:
SeongJae Park <sj38.park@gmail.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Tom Zanussi <tzanussi@gmail.com> Fixes: cff68e58 ("perf/scripts: Add perf-trace-python Documentation") Link: http://lkml.kernel.org/r/20170530111827.21732-4-sj38.park@gmail.comSigned-off-by:
Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by:
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SeongJae Park authored
commit 1bf8d5a4 upstream. Default function signature of trace_unhandled() got changed to include a field dict, but its documentation, perf-script-python.txt has not been updated. Fix it. Signed-off-by:
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SeongJae Park authored
commit 26ddb872 upstream. This commit fixes wrong code snippets for trace_begin() and trace_end() function example definition. Signed-off-by:
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SeongJae Park authored
commit 34d4453d upstream. This commit fixes two errors in documents for perf-script-python and perf-script-perl as below: - /sys/kernel/debug/tracing events -> /sys/kernel/debug/tracing/events/ - trace_handled -> trace_unhandled Signed-off-by:
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SeongJae Park authored
commit c76132dc upstream. Script generated by the '--gen-script' option contains an outdated comment. It mentions a 'perf-trace-python' document while it has been renamed to 'perf-script-python'. Fix it. Signed-off-by:
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SeongJae Park authored
commit d89269a8 upstream. An example in perf-probe documentation for pattern of function name based probe addition is not providing example command for that case. This commit fixes the example to give appropriate example command. Signed-off-by:
Masami Hiramatsu <mhiramat@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Taeung Song <treeze.taeung@gmail.com> Fixes: ee391de8 ("perf probe: Update perf probe document") Link: http://lkml.kernel.org/r/20170507103642.30560-1-sj38.park@gmail.comSigned-off-by:
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Ulrik De Bie authored
commit 47eb0c8b upstream. The Lifebook E546 and E557 touchpad were also not functioning and worked after running: echo "1" > /sys/devices/platform/i8042/serio2/crc_enabled Add them to the list of machines that need this workaround. Signed-off-by:
Ulrik De Bie <ulrik.debie-os@e2big.org> Reviewed-by:
Arjan Opmeer <arjan@opmeer.net> Signed-off-by:
Dmitry Torokhov <dmitry.torokhov@gmail.com> [bwh: Backported to 3.16: adjust context] Signed-off-by:
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Dan Carpenter authored
commit f0c62e98 upstream. If vmalloc() fails then we need to a bit of cleanup before returning. Fixes: fb1d9738 ("drm/vmwgfx: Add DRM driver for VMware Virtual GPU") Signed-off-by:
Dan Carpenter <dan.carpenter@oracle.com> Reviewed-by:
Sinclair Yeh <syeh@vmware.com> Signed-off-by:
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Max Filippov authored
commit d220b942 upstream. ethoc_reset enables device interrupts, ethoc_interrupt may schedule a NAPI poll before NAPI is enabled in the ethoc_open, which results in device being unable to send or receive anything until it's closed and reopened. In case the device is flooded with ingress packets it may be unable to recover at all. Move napi_enable above ethoc_reset in the ethoc_open to fix that. Fixes: a1702857 ("net: Add support for the OpenCores 10/100 Mbps Ethernet MAC.") Signed-off-by:
Max Filippov <jcmvbkbc@gmail.com> Reviewed-by:
Tobias Klauser <tklauser@distanz.ch> Reviewed-by:
Florian Fainelli <f.fainelli@gmail.com> Signed-off-by:
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Marc Zyngier authored
commit 33b5c388 upstream. We currently have the HSCTLR.A bit set, trapping unaligned accesses at HYP, but we're not really prepared to deal with it. Since the rest of the kernel is pretty happy about that, let's follow its example and set HSCTLR.A to zero. Modern CPUs don't really care. Signed-off-by:
Marc Zyngier <marc.zyngier@arm.com> Signed-off-by:
Christoffer Dall <cdall@linaro.org> Signed-off-by:
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Marc Zyngier authored
commit 78fd6dcf upstream. We currently have the SCTLR_EL2.A bit set, trapping unaligned accesses at EL2, but we're not really prepared to deal with it. So far, this has been unnoticed, until GCC 7 started emitting those (in particular 64bit writes on a 32bit boundary). Since the rest of the kernel is pretty happy about that, let's follow its example and set SCTLR_EL2.A to zero. Modern CPUs don't really care. Reported-by:
Alexander Graf <agraf@suse.de> Signed-off-by:
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Marc Zyngier authored
commit d68c1f7f upstream. __do_hyp_init has the rather bad habit of ignoring RES1 bits and writing them back as zero. On a v8.0-8.2 CPU, this doesn't do anything bad, but may end-up being pretty nasty on future revisions of the architecture. Let's preserve those bits so that we don't have to fix this later on. Signed-off-by:
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Wanpeng Li authored
commit d4912215 upstream. WARNING: CPU: 3 PID: 2840 at arch/x86/kvm/vmx.c:10966 nested_vmx_vmexit+0xdcd/0xde0 [kvm_intel] CPU: 3 PID: 2840 Comm: qemu-system-x86 Tainted: G OE 4.12.0-rc3+ #23 RIP: 0010:nested_vmx_vmexit+0xdcd/0xde0 [kvm_intel] Call Trace: ? kvm_check_async_pf_completion+0xef/0x120 [kvm] ? rcu_read_lock_sched_held+0x79/0x80 vmx_queue_exception+0x104/0x160 [kvm_intel] ? vmx_queue_exception+0x104/0x160 [kvm_intel] kvm_arch_vcpu_ioctl_run+0x1171/0x1ce0 [kvm] ? kvm_arch_vcpu_load+0x47/0x240 [kvm] ? kvm_arch_vcpu_load+0x62/0x240 [kvm] kvm_vcpu_ioctl+0x384/0x7b0 [kvm] ? kvm_vcpu_ioctl+0x384/0x7b0 [kvm] ? __fget+0xf3/0x210 do_vfs_ioctl+0xa4/0x700 ? __fget+0x114/0x210 SyS_ioctl+0x79/0x90 do_syscall_64+0x81/0x220 entry_SYSCALL64_slow_path+0x25/0x25 This is triggered occasionally by running both win7 and win2016 in L2, in addition, EPT is disabled on both L1 and L2. It can't be reproduced easily. Commit 0b6ac343 (KVM: nVMX: Correct handling of exception injection) mentioned that "KVM wants to inject page-faults which it got to the guest. This function assumes it is called with the exit reason in vmcs02 being a #PF exception". Commit e011c663 (KVM: nVMX: Check all exceptions for intercept during delivery to L2) allows to check all exceptions for intercept during delivery to L2. However, there is no guarantee the exit reason is exception currently, when there is an external interrupt occurred on host, maybe a time interrupt for host which should not be injected to guest, and somewhere queues an exception, then the function nested_vmx_check_exception() will be called and the vmexit emulation codes will try to emulate the "Acknowledge interrupt on exit" behavior, the warning is triggered. Reusing the exit reason from the L2->L0 vmexit is wrong in this case, the reason must always be EXCEPTION_NMI when injecting an exception into L1 as a nested vmexit. Cc: Paolo Bonzini <pbonzini@redhat.com> Cc: Radim Krčmář <rkrcmar@redhat.com> Signed-off-by:
Radim Krčmář <rkrcmar@redhat.com> Signed-off-by:
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Sebastian Parschauer authored
commit 3db28271 upstream. This mouse is also known under other IDs. It needs the quirk ALWAYS_POLL or will disconnect in runlevel 1 or 3. Signed-off-by:
Sebastian Parschauer <sparschauer@suse.de> Signed-off-by:
Jiri Kosina <jkosina@suse.cz> Signed-off-by:
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Vasilis Liaskovitis authored
commit d529a4ad upstream. Like other switches, the Aten CS-1758 KVM switch needs a quirk to avoid spewing errors: [12599018.071059] usb 5-2: input irq status -75 received [12599018.079053] usb 5-2: input irq status -75 received Signed-off-by:
Vasilis Liaskovitis <vliaskovitis@suse.com> Signed-off-by:
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Oscar Campos authored
commit deaba636 upstream. Add quirks for several corsair gaming devices to avoid long delays on report initialization Supported devices: - Corsair K65RGB Rapidfire Gaming Keyboard - Corsair K70RGB Rapidfire Gaming Keyboard - Corsair Scimitar Pro RGB Gaming Mouse Signed-off-by:
Oscar Campos <oscar.campos@member.fsf.org> Signed-off-by:
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Colin Ian King authored
commit ed9ab428 upstream. Quirking the following AMI USB device with ALWAYS_POLL fixes an AMI virtual keyboard and mouse from not responding and timing out when it is attached to a ppc64el Power 8 system and when we have some rapid open/closes on the mouse device. usb 1-3: new high-speed USB device number 2 using xhci_hcd usb 1-3: New USB device found, idVendor=046b, idProduct=ff01 usb 1-3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-3: Product: Virtual Hub usb 1-3: Manufacturer: American Megatrends Inc. usb 1-3: SerialNumber: serial usb 1-3.3: new high-speed USB device number 3 using xhci_hcd usb 1-3.3: New USB device found, idVendor=046b, idProduct=ff31 usb 1-3.3: New USB device strings: Mfr=1, Product=2, SerialNumber=3 usb 1-3.3: Product: Virtual HardDisk Device usb 1-3.3: Manufacturer: American Megatrends Inc. usb 1-3.4: new low-speed USB device number 4 using xhci_hcd usb 1-3.4: New USB device found, idVendor=046b, idProduct=ff10 usb 1-3.4: New USB device strings: Mfr=1, Product=2, SerialNumber=0 usb 1-3.4: Product: Virtual Keyboard and Mouse usb 1-3.4: Manufacturer: American Megatrends Inc. With the quirk I have not been able to trigger the issue with half an hour of saturation soak testing. Signed-off-by:
Colin Ian King <colin.king@canonical.com> Signed-off-by:
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Marcel Hasler authored
commit 8aa2cc7e upstream. The DolphinBar by Mayflash (identified as Dragonrise) needs HID_QUIRK_MULTI_INPUT to split it up into four input devices. Without this quirk the adapter is falsely recognized as a tablet. See also bug 115841 (https://bugzilla.kernel.org/show_bug.cgi?id=115841). Signed-off-by:
Marcel Hasler <mahasler@gmail.com> Signed-off-by:
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Alex Wood authored
commit f83f90cf upstream. The Futaba TOSD-5711BB VFD crashes when the initial HID report is requested, register the display in hid-ids and tell hid-quirks to not do the init. Signed-off-by:
Alex Wood <thetewood@gmail.com> Signed-off-by:
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Daniel Keller authored
commit 2ae3986b upstream. Adding support for not JP versions of the Microsoft Surface 4 Type Cover Pro [jkosina@suse.cz: The identical patch has been sent by Jeff Farthing, so I am including his signoff as well] Signed-off-by:
Jeff Farthing <jeff@jfarthing.com> Signed-off-by:
Daniel Keller <daniel.keller@gcd.de> Signed-off-by:
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Marcel Hasler authored
commit b2554000 upstream. All known gamepad adapters by Mayflash (identified as Dragonrise) need HID_QUIRK_MULTI_INPUT to split them up into four input devices. Without this quirk those adapters are falsely recognized as tablets. Fixes bug 115841 (https://bugzilla.kernel.org/show_bug.cgi?id=115841). Signed-off-by:
Benjamin Tissoires <benjamin.tissoires@redhat.com> Signed-off-by:
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Steinar H. Gunderson authored
commit 4973ca9a upstream. The Akai MIDImix (09e8:0031) is a MIDI fader controller that speaks regular MIDI and works well with Linux. However, initialization gets delayed due to reports timeout: [3643645.631124] hid-generic 0003:09E8:0031.0020: timeout initializing reports [3643645.632416] hid-generic 0003:09E8:0031.0020: hiddev0: USB HID v1.11 Device [AKAI MIDI Mix] on usb-0000:00:14.0-2/input0 Adding "usbhid.quirks=0x09e8:0x0031:0x20000000" on the kernel command line makes the issues go away. Signed-off-by:
Steinar H. Gunderson <sgunderson@bigfoot.com> Signed-off-by:
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Marian Krivoš authored
commit 3da30bfc upstream. Add quirk for Corsair STRAFE keyboard, similarly to what we've been doing for other CORSAIR devices already, in order to avoid long delays during boot. [jkosina@suse.cz: reword changelog a little bit] Signed-off-by:
Marian Krivos <marian.krivos@gmail.com> Signed-off-by:
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Yuta Kobayashi authored
commit b490a853 upstream. Adding support for the Microsoft Surface 4 Type Cover Pro (JP). Signed-off-by:
Yuta Kobayashi <alu.ula@outlook.com> Signed-off-by:
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Trent Lloyd authored
commit 282bf1fe upstream. These devices feature multiple interfaces/endpoints: a legacy BIOS/boot interface (endpoint 0x81), as well as 2 corsair-specific keyboard interfaces (endpoint 0x82, 0x83 IN/0x03 OUT) and an RGB LED control interface (endpoint 0x84 IN/0x04 OUT) Because the extra 3 interfaces are not of subclass USB_INTERFACE_SUBCLASS_BOOT, HID_QUIRK_NOGET is not automatically set on them and a 10s timeout per-endpoint (30s per device) occurs initialising reports on boot. We configure HID_QUIRK_NO_INIT_REPORTS for these devices. Additionally the left-side G1-G18 macro keys on the K95RGB generate output on the un-opened 0x82/0x83 endpoints which causes the keyboard to stop responding waiting for this event to be collected. We enable HID_QUIRK_ALWAYS_POLL to prevent this situation from occurring. Signed-off-by:
Trent Lloyd <trent@lloyd.id.au> Tested-by:
SUGNIAUX Wilfried <wsu@ppharm2k20.net> Signed-off-by:
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Nazar Mokrynskyi authored
commit 567a44ec upstream. Needed for v2 of the device firmware, otherwise kernel will stuck for few seconds and throw "usb_submit_urb(ctrl) failed: -1" early on system boot. Signed-off-by:
Nazar Mokrynskyi <nazar@mokrynskyi.com> Reviewed-by:
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Daniel Bristot de Oliveira authored
commit c14022bf upstream. The device which identifies itself as a "USB Keykoard" (no typo) with VID:PID 1a2c:0027 does not seem to be handling the reports initialization very well. This results in a "usb_submit_urb(ctrl) failed: -1" message from the kernel when connected, and a delay before its initialization. It can also cause the hang the system. This patch adds the quirk for this device, which causes the delay to disappear. It is named as "USB Keykoard2" because the "USB Keykoard" already exists. Signed-off-by:
Daniel Bristot de Oliveira <bristot@redhat.com> Signed-off-by:
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Stafford Horne authored
commit a382c30c upstream. The midi controller times-out while initializing reports, this causes boot to take an extra 10 seconds. The device descriptor advertises that it has an internal HID device but seems to not actually do anything useful. Signed-off-by:
Stafford Horne <shorne@gmail.com> Reviewed-by:
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Benjamin Tissoires authored
commit 962b7a0e upstream. dmesg shows a lot of: [ 1374.890348] hid-multitouch 0003:0408:3003.0007: usb_submit_urb(ctrl) failed: -1 [ 1384.916388] hid-multitouch 0003:0408:3003.0007: usb_submit_urb(ctrl) failed: -1 [ 1384.916432] hid-multitouch 0003:0408:3003.0007: timeout initializing reports Add the quirk and make the touchscreen happy. Signed-off-by:
Jim lovell <jimlovell777@gmail.com> Signed-off-by:
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