Merge Linux 4.4.272 kernel

Changes in 4.4.272: (24 commits)
        efi: cper: fix snprintf() use in cper_dimm_err_location()
        vfio/pci: Fix error return code in vfio_ecap_init()
        vfio/platform: fix module_put call in error flow
        ipvs: ignore IP_VS_SVC_F_HASHED flag when adding service
        HID: pidff: fix error return code in hid_pidff_init()
        netfilter: nfnetlink_cthelper: hit EBUSY on updates if size mismatches
        ieee802154: fix error return code in ieee802154_add_iface()
        ieee802154: fix error return code in ieee802154_llsec_getparams()
        Bluetooth: fix the erroneous flush_work() order
        Bluetooth: use correct lock to prevent UAF of hdev object
        net: caif: added cfserl_release function
        net: caif: add proper error handling
        net: caif: fix memory leak in caif_device_notify
        net: caif: fix memory leak in cfusbl_device_notify
        ALSA: timer: Fix master timer notification
        ext4: fix bug on in ext4_es_cache_extent as ext4_split_extent_at failed
        pid: take a reference when initializing `cad_pid`
        ocfs2: fix data corruption by fallocate
        nfc: fix NULL ptr dereference in llcp_sock_getname() after failed connect
        btrfs: fixup error handling in fixup_inode_link_counts
        KVM: SVM: Truncate GPR value for DR and CR accesses in !64-bit mode
        arm64: Remove unimplemented syscall log message
        xen-pciback: redo VF placement in the virtual topology
        Linux 4.4.272