user/sven/linux.git/drivers, branch v4.9.12

bcache: Make gc wakeup sane, remove set_task_state()

2017-02-23T16:44:36Z

commit be628be09563f8f6e81929efbd7cf3f45c344416 upstream. Signed-off-by: Kent Overstreet Cc: Coly Li Signed-off-by: Greg Kroah-Hartman

ntb_transport: Pick an unused queue

2017-02-23T16:44:36Z

commit 8fcd0950c021d7be8493280541332b924b9de962 upstream. Fix typo causing ntb_transport_create_queue to select the first queue every time, instead of using the next free queue. Signed-off-by: Thomas VanSelus Signed-off-by: Aaron Sierra Acked-by: Allen Hubbe Fixes: fce8a7bb5 ("PCI-Express Non-Transparent Bridge Support") Signed-off-by: Jon Mason Signed-off-by: Greg Kroah-Hartman

ntb: ntb_perf missing dmaengine_unmap_put

2017-02-23T16:44:36Z

commit 9644347c5240d0ee3ba7472ef332aaa4ff4db398 upstream. In the normal I/O execution path, ntb_perf is missing a call to dmaengine_unmap_put() after submission. That causes us to leak unmap objects. Signed-off-by: Dave Jiang Fixes: 8a7b6a77 ("ntb: ntb perf tool") Signed-off-by: Jon Mason Signed-off-by: Greg Kroah-Hartman

NTB: ntb_transport: fix debugfs_remove_recursive

2017-02-23T16:44:36Z

commit dd62245e73de9138333cb0e7a42c8bc1215c3ce6 upstream. The call to debugfs_remove_recursive(qp->debugfs_dir) of the sub-level directory must not be later than debugfs_remove_recursive(nt_debugfs_dir) of the top-level directory. Otherwise, the sub-level directory will not exist, and it would be invalid (panic) to attempt to remove it. This removes the top-level directory last, after sub-level directories have been cleaned up. Signed-off-by: Allen Hubbe Fixes: e26a5843f ("NTB: Split ntb_hw_intel and ntb_transport drivers") Signed-off-by: Jon Mason Signed-off-by: Greg Kroah-Hartman

PCI/PME: Restore pcie_pme_driver.remove

2017-02-23T16:44:36Z

commit afe3e4d11bdf50a4c3965eb6465ba6bebbcf5dcf upstream. In addition to making PME non-modular, d7def2040077 ("PCI/PME: Make explicitly non-modular") removed the pcie_pme_driver .remove() method, pcie_pme_remove(). pcie_pme_remove() freed the PME IRQ that was requested in pci_pme_probe(). The fact that we don't free the IRQ after d7def2040077 causes the following crash when removing a PCIe port device via /sys: ------------[ cut here ]------------ kernel BUG at drivers/pci/msi.c:370! invalid opcode: 0000 [#1] SMP Modules linked in: CPU: 1 PID: 14509 Comm: sh Tainted: G W 4.8.0-rc1-yh-00012-gd29438d RIP: 0010:[] free_msi_irqs+0x65/0x190 ... Call Trace: [] pci_disable_msi+0x34/0x40 [] cleanup_service_irqs+0x27/0x30 [] pcie_port_device_remove+0x2a/0x40 [] pcie_portdrv_remove+0x40/0x50 [] pci_device_remove+0x4b/0xc0 [] __device_release_driver+0xb6/0x150 [] device_release_driver+0x25/0x40 [] pci_stop_bus_device+0x74/0xa0 [] pci_stop_and_remove_bus_device_locked+0x1a/0x30 [] remove_store+0x50/0x70 [] dev_attr_store+0x18/0x30 [] sysfs_kf_write+0x44/0x60 [] kernfs_fop_write+0x10e/0x190 [] __vfs_write+0x28/0x110 [] ? percpu_down_read+0x44/0x80 [] ? __sb_start_write+0xa7/0xe0 [] ? __sb_start_write+0xa7/0xe0 [] vfs_write+0xc4/0x180 [] SyS_write+0x49/0xa0 [] do_syscall_64+0xa6/0x1b0 [] entry_SYSCALL64_slow_path+0x25/0x25 ... RIP [] free_msi_irqs+0x65/0x190 RSP ---[ end trace f4505e1dac5b95d3 ]--- Segmentation fault Restore pcie_pme_remove(). [bhelgaas: changelog] Fixes: d7def2040077 ("PCI/PME: Make explicitly non-modular") Signed-off-by: Yinghai Lu Signed-off-by: Bjorn Helgaas Acked-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman

Revert "i2c: designware: detect when dynamic tar update is possible"

2017-02-23T16:44:36Z

commit 12688dc21f71f4dcc9e2b8b5556b0c6cc8df1491 upstream. This reverts commit 63d0f0a6952a1a02bc4f116b7da7c7887e46efa3. It caused a regression on platforms where I2C controller is synthesized with dynamic TAR update disabled. Detection code is testing is bit DW_IC_CON_10BITADDR_MASTER in register DW_IC_CON read-only but fails to restore original value in case bit is read-write. Instead of fixing this we revert the commit since it was preparation for the commit 0317e6c0f1dc ("i2c: designware: do not disable adapter after transfer") which was also reverted. Reported-by: Shah Nehal-Bakulchandra Reported-by: Suravee Suthikulpanit Acked-By: Lucas De Marchi Fixes: 63d0f0a6952a ("i2c: designware: detect when dynamic tar update is possible") Signed-off-by: Jarkko Nikula Signed-off-by: Wolfram Sang Signed-off-by: Greg Kroah-Hartman

drm/dp/mst: fix kernel oops when turning off secondary monitor

2017-02-23T16:44:36Z

commit bb08c04dc867b5f392caec635c097d5d5fcd8c9f upstream. 100% reproducible issue found on SKL SkullCanyon NUC with two external DP daisy-chained monitors in DP/MST mode. When turning off or changing the input of the second monitor the machine stops with a kernel oops. This issue happened with 4.8.8 as well as drm/drm-intel-nightly. This issue is traced to an inconsistent control flow in drm_dp_update_payload_part1(): the 'port' pointer is set to NULL at the same time as 'req_payload.num_slots' is set to zero, but the pointer is dereferenced even when req_payload.num_slot is zero. The problematic dereference was introduced in commit dfda0df34 ("drm/mst: rework payload table allocation to conform better") and may impact all versions since v3.18 The fix suggested by Chris Wilson removes the kernel oops and was found to work well after 10mn of monkey-testing with the second monitor power and input buttons Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=98990 Fixes: dfda0df34264 ("drm/mst: rework payload table allocation to conform better.") Cc: Dave Airlie Cc: Chris Wilson Cc: Nathan D Ciobanu Cc: Dhinakaran Pandiyan Cc: Sean Paul Tested-by: Nathan D Ciobanu Reviewed-by: Dhinakaran Pandiyan Signed-off-by: Pierre-Louis Bossart Signed-off-by: Jani Nikula Link: http://patchwork.freedesktop.org/patch/msgid/1487076561-2169-1-git-send-email-jani.nikula@intel.com Signed-off-by: Greg Kroah-Hartman

drm/radeon: Use mode h/vdisplay fields to hide out of bounds HW cursor

2017-02-23T16:44:35Z

commit d74c67dd7800fc7aae381f272875c337f268806c upstream. The crtc_h/vdisplay fields may not match the CRTC viewport dimensions with special modes such as interlaced ones. Fixes the HW cursor disappearing in the bottom half of the screen with interlaced modes. Fixes: 6b16cf7785a4 ("drm/radeon: Hide the HW cursor while it's out of bounds") Reported-by: Ashutosh Kumar Tested-by: Sonny Jiang Reviewed-by: Alex Deucher Signed-off-by: Michel Dänzer Signed-off-by: Alex Deucher Signed-off-by: Greg Kroah-Hartman

Input: elan_i2c - add ELAN0605 to the ACPI table

2017-02-23T16:44:35Z

commit 722c5ac708b4f5c1fcfad5fed4c95234c8b06590 upstream. ELAN0605 has been confirmed to be a variant of ELAN0600, which is blacklisted in the hid-core to be managed by elan_i2c. This device can be found in Lenovo ideapad 310s (80U4000). Signed-off-by: Hiroka IHARA Signed-off-by: Dmitry Torokhov Signed-off-by: Greg Kroah-Hartman

Fix missing sanity check in /dev/sg

2017-02-23T16:44:35Z

commit 137d01df511b3afe1f05499aea05f3bafc0fb221 upstream. What happens is that a write to /dev/sg is given a request with non-zero ->iovec_count combined with zero ->dxfer_len. Or with ->dxferp pointing to an array full of empty iovecs. Having write permission to /dev/sg shouldn't be equivalent to the ability to trigger BUG_ON() while holding spinlocks... Found by Dmitry Vyukov and syzkaller. [ The BUG_ON() got changed to a WARN_ON_ONCE(), but this fixes the underlying issue. - Linus ] Signed-off-by: Al Viro Reported-by: Dmitry Vyukov Reviewed-by: Christoph Hellwig Signed-off-by: Linus Torvalds Signed-off-by: Greg Kroah-Hartman