- 15 Jul, 2015 32 commits
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Thomas Petazzoni authored
commit d538990e upstream. There was an incorrect space in the definition of the function of one pin in the Armada 375 pinctrl driver, which this commit fixes. Signed-off-by:
Thomas Petazzoni <thomas.petazzoni@free-electrons.com> Fixes: ce3ed59d ("pinctrl: mvebu: add pin-muxing driver for the Marvell Armada 375") Signed-off-by:
Linus Walleij <linus.walleij@linaro.org> Signed-off-by:
Luis Henriques <luis.henriques@canonical.com>
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Thomas Petazzoni authored
commit ea78b951 upstream. There was a mistake in the definition of the functions for MPP48 on Marvell Armada XP. The second function is dev(clkout), and not tclk. Signed-off-by:
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Thomas Petazzoni authored
commit 80b3d04f upstream. The latest version of the Armada XP datasheet no longer documents the VDD cpu_pd functions, which might indicate they are not working and/or not supported. This commit ensures the pinctrl driver matches the datasheet. Signed-off-by:
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Thomas Petazzoni authored
commit bc99357f upstream. After updating to a more recent version of the Armada XP datasheet, we realized that some of the pins documented as having a NAND-related functionality in fact did not have such functionality. This commit updates the pinctrl driver accordingly. Signed-off-by:
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Thomas Petazzoni authored
commit e5447d26 upstream. After updating to a more recent version of the Armada 375, we realized that some of the pins documented as having a NAND-related functionality in fact did not have such functionality. This commit updates the pinctrl driver accordingly. Signed-off-by:
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Thomas Petazzoni authored
commit 438881df upstream. Due to a mistake, the CS0 and CS1 SPI0 functions were incorrectly named "spi0-1" instead of just "spi0". This commit fixes that. This DT binding change does not affect any of the in-tree users. Signed-off-by:
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Thomas Petazzoni authored
commit 331642fb upstream. A new revision of the Marvell Armada 38x hardware datasheet unveiled that the definition of some of the PCIe functions were not correct. This commit fixes the pinctrl driver accordingly. Some PCIe functions simply do not exist, some of the PCIe functions in fact were corresponding to other functions, and some PCIe functions have been added. Note: the seemingly unrelated removal of spi(cs2) on MPP47 is related: this function is in fact implemented on MPP43, instead of a PCIe function. Signed-off-by:
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Bjorn Helgaas authored
commit 1dace011 upstream. The Foxconn K8M890-8237A has two PCI host bridges, and we can't assign resources correctly without the information from _CRS that tells us which address ranges are claimed by which bridge. In the bugs mentioned below, we incorrectly assign a sound card address (this example is from 1033299): bus: 00 index 2 [mem 0x80000000-0xfcffffffff] ACPI: PCI Root Bridge [PCI0] (domain 0000 [bus 00-7f]) pci_root PNP0A08:00: host bridge window [mem 0x80000000-0xbfefffff] (ignored) pci_root PNP0A08:00: host bridge window [mem 0xc0000000-0xdfffffff] (ignored) pci_root PNP0A08:00: host bridge window [mem 0xf0000000-0xfebfffff] (ignored) ACPI: PCI Root Bridge [PCI1] (domain 0000 [bus 80-ff]) pci_root PNP0A08:01: host bridge window [mem 0xbff00000-0xbfffffff] (ignored) pci 0000:80:01.0: [1106:3288] type 0 class 0x000403 pci 0000:80:01.0: reg 10: [mem 0xbfffc000-0xbfffffff 64bit] pci 0000:80:01.0: address space collision: [mem 0xbfffc000-0xbfffffff 64bit] conflicts with PCI Bus #00 [mem 0x80000000-0xfcffffffff] pci 0000:80:01.0: BAR 0: assigned [mem 0xfd00000000-0xfd00003fff 64bit] BUG: unable to handle kernel paging request at ffffc90000378000 IP: [<ffffffffa0345f63>] azx_create+0x37c/0x822 [snd_hda_intel] We assigned 0xfd_0000_0000, but that is not in any of the host bridge windows, and the sound card doesn't work. Turn on pci=use_crs automatically for this system. Link: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/931368 Link: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1033299Signed-off-by:
Bjorn Helgaas <bhelgaas@google.com> Signed-off-by:
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Rafael J. Wysocki authored
commit 3d56402d upstream. Add missing invocation of pm_generic_complete() to acpi_subsys_complete() to allow ->complete callbacks provided by the drivers of devices using the ACPI PM domain to be executed during system resume. Fixes: f25c0ae2 (ACPI / PM: Avoid resuming devices in ACPI PM domain during system suspend) Signed-off-by:
Rafael J. Wysocki <rafael.j.wysocki@intel.com> Signed-off-by:
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Stefan Wahren authored
commit a7068e39 upstream. The buffer for condtraints debug isn't big enough to hold the output in all cases. So fix this issue by increasing the buffer. Signed-off-by:
Stefan Wahren <stefan.wahren@i2se.com> Signed-off-by:
Mark Brown <broonie@kernel.org> Signed-off-by:
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Alexey Sokolov authored
commit 15bf722e upstream. ATOL FPrint fiscal printers require usb_clear_halt to be executed to work properly. Add quirk to fix the issue. Signed-off-by:
Alexey Sokolov <sokolov@7pikes.com> Signed-off-by:
Greg Kroah-Hartman <gregkh@linuxfoundation.org> Signed-off-by:
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Rafał Miłecki authored
commit 90f91b12 upstream. It seems Broadcom released two devices with conflicting device id. There are for sure 14e4:4321 PCI devices with BCM4321 (N-PHY) chipset, they can be found in routers, e.g. Netgear WNR834Bv2. However, according to Broadcom public sources 0x4321 is also used for 5 GHz BCM4306 (G-PHY). It's unsure if they meant PCI device id, or "virtual" id (from SPROM). To distinguish these devices lets check PHY type (G vs. N). Signed-off-by:
Rafał Miłecki <zajec5@gmail.com> Signed-off-by:
Kalle Valo <kvalo@codeaurora.org> Signed-off-by:
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Felix Fietkau authored
commit 300f77c0 upstream. AR93xx and newer needs to stop rx before tx to avoid getting the DMA engine or MAC into a stuck state. This should reduce/fix the occurence of "Failed to stop Tx DMA" logspam. Signed-off-by:
Felix Fietkau <nbd@openwrt.org> Signed-off-by:
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Marcel Holtmann authored
commit ecffc804 upstream. The SKB returned from the Intel specific version information command is missing a kfree_skb. Signed-off-by:
Marcel Holtmann <marcel@holtmann.org> Signed-off-by:
Johan Hedberg <johan.hedberg@intel.com> Signed-off-by:
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Dmitry Tunin authored
commit 0d0cef61 upstream. BugLink: https://bugs.launchpad.net/bugs/1427680 This device requires new firmware files AthrBT_0x11020100.dfu and ramps_0x11020100_40.dfu added to /lib/firmware/ar3k/ that are not included in linux-firmware yet. T: Bus=01 Lev=01 Prnt=01 Port=04 Cnt=01 Dev#= 4 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=13d3 ProdID=3474 Rev=00.01 C: #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA I: If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb I: If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=btusb Signed-off-by:
Dmitry Tunin <hanipouspilot@gmail.com> Signed-off-by:
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Dmitry Tunin authored
commit 692c062e upstream. BugLink: https://bugs.launchpad.net/bugs/1462614 This device requires new firmware files AthrBT_0x11020100.dfu and ramps_0x11020100_40.dfu added to /lib/firmware/ar3k/ that are not included in linux-firmware yet. T: Bus=03 Lev=01 Prnt=01 Port=09 Cnt=06 Dev#= 7 Spd=12 MxCh= 0 D: Ver= 1.10 Cls=e0(wlcon) Sub=01 Prot=01 MxPS=64 #Cfgs= 1 P: Vendor=0489 ProdID=e076 Rev= 0.01 C:* #Ifs= 2 Cfg#= 1 Atr=e0 MxPwr=100mA I:* If#= 0 Alt= 0 #EPs= 3 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none) E: Ad=81(I) Atr=03(Int.) MxPS= 16 Ivl=1ms E: Ad=82(I) Atr=02(Bulk) MxPS= 64 Ivl=0ms E: Ad=02(O) Atr=02(Bulk) MxPS= 64 Ivl=0ms I:* If#= 1 Alt= 0 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none) E: Ad=83(I) Atr=01(Isoc) MxPS= 0 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 0 Ivl=1ms I: If#= 1 Alt= 1 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none) E: Ad=83(I) Atr=01(Isoc) MxPS= 9 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 9 Ivl=1ms I: If#= 1 Alt= 2 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none) E: Ad=83(I) Atr=01(Isoc) MxPS= 17 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 17 Ivl=1ms I: If#= 1 Alt= 3 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none) E: Ad=83(I) Atr=01(Isoc) MxPS= 25 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 25 Ivl=1ms I: If#= 1 Alt= 4 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none) E: Ad=83(I) Atr=01(Isoc) MxPS= 33 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 33 Ivl=1ms I: If#= 1 Alt= 5 #EPs= 2 Cls=e0(wlcon) Sub=01 Prot=01 Driver=(none) E: Ad=83(I) Atr=01(Isoc) MxPS= 49 Ivl=1ms E: Ad=03(O) Atr=01(Isoc) MxPS= 49 Ivl=1ms Signed-off-by:
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J. Bruce Fields authored
commit 9fc2b4b4 upstream. Before calling into the filesystem, vfs_setxattr calls security_inode_setxattr, which ends up calling selinux_inode_setxattr in our case. That returns -EOPNOTSUPP whenever SBLABEL_MNT is not set. SBLABEL_MNT was supposed to be set by sb_finish_set_opts, which sets it only if selinux_is_sblabel_mnt returns true. The selinux_is_sblabel_mnt logic was broken by eadcabc6 "SELinux: do all flags twiddling in one place", which didn't take into the account the SECURITY_FS_USE_NATIVE behavior that had been introduced for nfs with eb9ae686 "SELinux: Add new labeling type native labels". This caused setxattr's of security labels over NFSv4.2 to fail. Cc: Eric Paris <eparis@redhat.com> Cc: David Quigley <dpquigl@davequigley.com> Reported-by:
Richard Chan <rc556677@outlook.com> Signed-off-by:
J. Bruce Fields <bfields@redhat.com> Acked-by:
Stephen Smalley <sds@tycho.nsa.gov> [PM: added the stable dependency] Signed-off-by:
Paul Moore <pmoore@redhat.com> [ luis: backported to 3.16: adjusted context ] Signed-off-by:
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Frediano Ziglio authored
commit 8451cc96 upstream. If the function fails reference counter to the object is not decremented causing leaks. This is hard to spot as it happens only on very low memory situations. Signed-off-by:
Frediano Ziglio <fziglio@redhat.com> Reviewed-by:
Dave Airlie <airlied@redhat.com> Signed-off-by:
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Frediano Ziglio authored
commit 2fa19535 upstream. If objects are moved back from system memory to VRAM (and spice id created again) memory is already initialized so we need to set flag to not clear memory. If you don't do it after a while using desktop many images turns to black or transparents. Signed-off-by:
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Eric W. Biederman authored
commit 8c6cf9cc upstream. Ignore an existing mount if the locked readonly, nodev or atime attributes are less permissive than the desired attributes of the new mount. On success ensure the new mount locks all of the same readonly, nodev and atime attributes as the old mount. The nosuid and noexec attributes are not checked here as this change is destined for stable and enforcing those attributes causes a regression in lxc and libvirt-lxc where those applications will not start and there are no known executables on sysfs or proc and no known way to create exectuables without code modifications Fixes: e51db735 ("userns: Better restrictions on when proc and sysfs can be mounted") Signed-off-by:
"Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by:
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Lennert Buytenhek authored
commit 8a70cefa upstream. The AF_IEEE802154 sockaddr looks like this: struct sockaddr_ieee802154 { sa_family_t family; /* AF_IEEE802154 */ struct ieee802154_addr_sa addr; }; struct ieee802154_addr_sa { int addr_type; u16 pan_id; union { u8 hwaddr[IEEE802154_ADDR_LEN]; u16 short_addr; }; }; On most architectures there will be implicit structure padding here, in two different places: * In struct sockaddr_ieee802154, two bytes of padding between 'family' (unsigned short) and 'addr', so that 'addr' starts on a four byte boundary. * In struct ieee802154_addr_sa, two bytes at the end of the structure, to make the structure 16 bytes. When calling recvmsg(2) on a PF_IEEE802154 SOCK_DGRAM socket, the ieee802154 stack constructs a struct sockaddr_ieee802154 on the kernel stack without clearing these padding fields, and, depending on the addr_type, between four and ten bytes of uncleared kernel stack will be copied to userspace. We can't just insert two 'u16 __pad's in the right places and zero those before copying an address to userspace, as not all architectures insert this implicit padding -- from a quick test it seems that avr32, cris and m68k don't insert this padding, while every other architecture that I have cross compilers for does insert this padding. The easiest way to plug the leak is to just memset the whole struct sockaddr_ieee802154 before filling in the fields we want to fill in, and that's what this patch does. Signed-off-by:
Lennert Buytenhek <buytenh@wantstofly.org> Acked-by:
Alexander Aring <alex.aring@gmail.com> Signed-off-by:
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Brian King authored
commit 45c44b5f upstream. Increase the default init stage change timeout from 15 seconds to 30 seconds. This resolves issues we have seen with some adapters not transitioning to the first init stage within 15 seconds, which results in adapter initialization failures. Signed-off-by:
Brian King <brking@linux.vnet.ibm.com> Signed-off-by:
James Bottomley <JBottomley@Odin.com> Signed-off-by:
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Trond Myklebust authored
commit 88de6af2 upstream. req->rq_private_buf isn't initialised when xprt_setup_backchannel calls xprt_free_allocation. Fixes: fb7a0b9a ("nfs41: New backchannel helper routines") Signed-off-by:
Trond Myklebust <trond.myklebust@primarydata.com> Signed-off-by:
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Anton Blanchard authored
commit 72e349f1 upstream. When we take a PMU exception or a software event we call perf_read_regs(). This overloads regs->result with a boolean that describes if we should use the sampled instruction address register (SIAR) or the regs. If the exception is in kernel, we start with the kernel regs and backtrace through the kernel stack. At this point we switch to the userspace regs and backtrace the user stack with perf_callchain_user(). Unfortunately these regs have not got the perf_read_regs() treatment, so regs->result could be anything. If it is non zero, perf_instruction_pointer() decides to use the SIAR, and we get issues like this: 0.11% qemu-system-ppc [kernel.kallsyms] [k] _raw_spin_lock_irqsave | ---_raw_spin_lock_irqsave | |--52.35%-- 0 | | | |--46.39%-- __hrtimer_start_range_ns | | kvmppc_run_core | | kvmppc_vcpu_run_hv | | kvmppc_vcpu_run | | kvm_arch_vcpu_ioctl_run | | kvm_vcpu_ioctl | | do_vfs_ioctl | | sys_ioctl | | system_call | | | | | |--67.08%-- _raw_spin_lock_irqsave <--- hi mum | | | | | | | --100.00%-- 0x7e714 | | | 0x7e714 Notice the bogus _raw_spin_irqsave when we transition from kernel (system_call) to userspace (0x7e714). We inserted what was in the SIAR. Add a check in regs_use_siar() to check that the regs in question are from a PMU exception. With this fix the backtrace makes sense: 0.47% qemu-system-ppc [kernel.vmlinux] [k] _raw_spin_lock_irqsave | ---_raw_spin_lock_irqsave | |--53.83%-- 0 | | | |--44.73%-- hrtimer_try_to_cancel | | kvmppc_start_thread | | kvmppc_run_core | | kvmppc_vcpu_run_hv | | kvmppc_vcpu_run | | kvm_arch_vcpu_ioctl_run | | kvm_vcpu_ioctl | | do_vfs_ioctl | | sys_ioctl | | system_call | | __ioctl | | 0x7e714 | | 0x7e714 Signed-off-by:
Anton Blanchard <anton@samba.org> Signed-off-by:
Michael Ellerman <mpe@ellerman.id.au> Signed-off-by:
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Dmitry Tunin authored
commit 4fa9dabc upstream. Lenovo G30-50 does not have a hardware wireless switch and wireless is always blocked. BugLink: https://bugs.launchpad.net/bugs/1397021Signed-off-by:
Philippe Coval <philippe.coval@open.eurogiciel.org> [dvhart@linux.intel.com: Reordered dmi id per Phillippe's later version] Signed-off-by:
Darren Hart <dvhart@linux.intel.com> Signed-off-by:
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Olga Kornievskaia authored
commit e8d975e7 upstream. Problem: When an operation like WRITE receives a BAD_STATEID, even though recovery code clears the RECLAIM_NOGRACE recovery flag before recovering the open state, because of clearing delegation state for the associated inode, nfs_inode_find_state_and_recover() gets called and it makes the same state with RECLAIM_NOGRACE flag again. As a results, when we restart looking over the open states, we end up in the infinite loop instead of breaking out in the next test of state flags. Solution: unset the RECLAIM_NOGRACE set because of calling of nfs_inode_find_state_and_recover() after returning from calling recover_open() function. Signed-off-by:
Olga Kornievskaia <kolga@netapp.com> Signed-off-by:
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Malcolm Priestley authored
commit b5eeed8c upstream. There is a small chance that pRD->pRDInfo->skb could go NULL while the interrupt is processing. Put NULL check on loop to break out. Signed-off-by:
Malcolm Priestley <tvboxspy@gmail.com> Signed-off-by:
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Robert Schlabbach authored
commit fb6d1f7d upstream. Fix USB 3.0 devices lost in NOTATTACHED state after a hub port reset. Dissolve the function hub_port_finish_reset() completely and divide the actions to be taken into those which need to be done after each reset attempt and those which need to be done after the full procedure is complete, and place them in the appropriate places in hub_port_reset(). Also, remove an unneeded forward declaration of hub_port_reset(). Verbose Problem Description: USB 3.0 devices may be "lost for good" during a hub port reset. This makes Linux unable to boot from USB 3.0 devices in certain constellations of host controllers and devices, because the USB device is lost during initialization, preventing the rootfs from being mounted. The underlying problem is that in the affected constellations, during the processing inside hub_port_reset(), the hub link state goes from 0 to SS.inactive after the initial reset, and back to 0 again only after the following "warm" reset. However, hub_port_finish_reset() is called after each reset attempt and sets the state the connected USB device based on the "preliminary" status of the hot reset to USB_STATE_NOTATTACHED due to SS.inactive, yet when the following warm reset is complete and hub_port_finish_reset() is called again, its call to set the device to USB_STATE_DEFAULT is blocked by usb_set_device_state() which does not allow taking USB devices out of USB_STATE_NOTATTACHED state. Thanks to Alan Stern for guiding me to the proper solution and how to submit it. Link: http://lkml.kernel.org/r/trinity-25981484-72a9-4d46-bf17-9c1cf9301a31-1432073240136%20()%203capp-gmx-bs27Signed-off-by:
Robert Schlabbach <robert_s@gmx.net> Acked-by:
Alan Stern <stern@rowland.harvard.edu> Signed-off-by:
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Haggai Eran authored
commit cab46214 upstream. With an RTL8191SU USB adaptor, sometimes the hints for a fragmented packet are set, but the packet length is too large. Allocate enough space to prevent memory corruption and a resulting kernel panic [1]. [1] http://www.spinics.net/lists/linux-wireless/msg136546.htmlSigned-off-by:
Haggai Eran <haggai.eran@gmail.com> ACKed-by:
Larry Finger <Larry.Finger@lwfinger.net> Signed-off-by:
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Felipe Balbi authored
commit e18b7975 upstream. In case of non-Isochronous transfers, we don't want to clear DWC3_EP_BUSY flag until XferComplete event. That's because XferInProgress was only enabled so we can recycle TRBs and usb_requests quicker, but there are still other pending requests being transferred. In order to make sure we don't allow for another StartTransfer command while the HW is still processing other transfers, we must keep DWC3_EP_BUSY flag set and this what this patch does. Fixes: f3af3651 (usb: dwc3: gadget: always enable IOC on bulk/interrupt transfers) Reported-by:
sundeep subbaraya <sundeep.lkml@gmail.com> Tested-by:
Felipe Balbi <balbi@ti.com> Signed-off-by:
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Richard Fitzgerald authored
commit 15575ed5 upstream. The Arizona codec drivers had an incorrect dB scaling for the noise generator gain that started at 0dB and went upwards. Actually the highest setting is 0dB. Signed-off-by:
Richard Fitzgerald <rf@opensource.wolfsonmicro.com> Signed-off-by:
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Paul E. McKenney authored
commit 6e91f8cb upstream. If, at the time __rcu_process_callbacks() is invoked, there are callbacks in Tiny RCU's callback list, but none of them are ready to be invoked, the current list-management code will knit the non-ready callbacks out of the list. This can result in hangs and possibly worse. This commit therefore inserts a check for there being no callbacks that can be invoked immediately. This bug is unlikely to occur -- you have to get a new callback between the time rcu_sched_qs() or rcu_bh_qs() was called, but before we get to __rcu_process_callbacks(). It was detected by the addition of RCU-bh testing to rcutorture, which in turn was instigated by Iftekhar Ahmed's mutation testing. Although this bug was made much more likely by 915e8a4f (rcu: Remove fastpath from __rcu_process_callbacks()), this did not cause the bug, but rather made it much more probable. That said, it takes more than 40 hours of rcutorture testing, on average, for this bug to appear, so this fix cannot be considered an emergency. Signed-off-by:
Paul E. McKenney <paulmck@linux.vnet.ibm.com> Reviewed-by:
Josh Triplett <josh@joshtriplett.org> Signed-off-by:
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- 09 Jul, 2015 8 commits
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Subbaraya Sundeep Bhatta authored
commit 891b1dc0 upstream. We need to return error to caller if command is not sent to controller succesfully. Signed-off-by:
Subbaraya Sundeep Bhatta <sbhatta@xilinx.com> Fixes: b09bb642 (usb: dwc3: gadget: implement Global Command support) Signed-off-by:
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Alex Deucher authored
commit 39fa10f7 upstream. Since we are messing with state in the worker. v2: drop the changes in the mst worker Signed-off-by:
Alex Deucher <alexander.deucher@amd.com> Signed-off-by:
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David Fries authored
commit f7134eea upstream. A temperature conversion can take 750 ms and when possible the w1_therm slave driver drops the bus_mutex to allow other bus operations, but that includes operations such as a periodic slave search, which can remove this slave when it is no longer detected. If that happens the sl->family_data will be freed and set to NULL causing w1_slave_show to crash when it wakes up. Signed-off-by:
David Fries <David@Fries.net> Reported-By:
Thorsten Bschorr <thorsten@bschorr.de> Tested-by:
Evgeniy Polyakov <zbr@ioremap.net> Signed-off-by:
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Paolo Bonzini authored
commit 69a12200 upstream. The argument to KVM_GET_DIRTY_LOG is a memslot id; it may not match the position in the memslots array, which is sorted by gfn. Reviewed-by:
James Hogan <james.hogan@imgtec.com> Signed-off-by:
Paolo Bonzini <pbonzini@redhat.com> [ luis: backported to 3.16: - file rename: arch/mips/kvm/mips.c -> arch/mips/kvm/kvm_mips.c ] Signed-off-by:
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Bart Van Assche authored
commit 535fb906 upstream. Avoid that srp_terminate_io() can get invoked while srp_queuecommand() is in progress. This patch avoids that an I/O timeout can trigger the following kernel warning: WARNING: at drivers/infiniband/ulp/srp/ib_srp.c:1447 srp_terminate_io+0xef/0x100 [ib_srp]() Call Trace: [<ffffffff814c65a2>] dump_stack+0x4e/0x68 [<ffffffff81051f71>] warn_slowpath_common+0x81/0xa0 [<ffffffff8105204a>] warn_slowpath_null+0x1a/0x20 [<ffffffffa075f51f>] srp_terminate_io+0xef/0x100 [ib_srp] [<ffffffffa07495da>] __rport_fail_io_fast+0xba/0xc0 [scsi_transport_srp] [<ffffffffa0749a90>] rport_fast_io_fail_timedout+0xe0/0xf0 [scsi_transport_srp] [<ffffffff8106e09b>] process_one_work+0x1db/0x780 [<ffffffff8106e75b>] worker_thread+0x11b/0x450 [<ffffffff81073c64>] kthread+0xe4/0x100 [<ffffffff814cf26c>] ret_from_fork+0x7c/0xb0 See also patch "scsi_transport_srp: Add transport layer error handling" (commit ID 29c17324). Signed-off-by:
Bart Van Assche <bart.vanassche@sandisk.com> Cc: James Bottomley <JBottomley@Odin.com> Cc: Sagi Grimberg <sagig@mellanox.com> Cc: Sebastian Parschauer <sebastian.riemer@profitbricks.com> Signed-off-by:
Doug Ledford <dledford@redhat.com> Signed-off-by:
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Bart Van Assche authored
commit be34c62d upstream. Introduce the helper function srp_wait_for_queuecommand(). Move the definition of scsi_request_fn_active(). Add a comment above srp_wait_for_queuecommand() that support for scsi-mq needs to be added. This patch does not change any functionality. A second call to srp_wait_for_queuecommand() will be introduced in the next patch. Signed-off-by:
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Axel Lin authored
commit 12c35005 upstream. WM8955_K_8_0_MASK bits is controlled by WM8955_PLL_CONTROL_3 rather than WM8955_PLL_CONTROL_2. Signed-off-by:
Axel Lin <axel.lin@ingics.com> Acked-by:
Charles Keepax <ckeepax@opensource.wolfsonmicro.com> Signed-off-by:
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Eric W. Biederman authored
commit 1b852bce upstream. Fresh mounts of proc and sysfs are a very special case that works very much like a bind mount. Unfortunately the current structure can not preserve the MNT_LOCK... mount flags. Therefore refactor the logic into a form that can be modified to preserve those lock bits. Add a new filesystem flag FS_USERNS_VISIBLE that requires some mount of the filesystem be fully visible in the current mount namespace, before the filesystem may be mounted. Move the logic for calling fs_fully_visible from proc and sysfs into fs/namespace.c where it has greater access to mount namespace state. Signed-off-by:
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