Changes in 4.9.249 spi: bcm2835aux: Fix use-after-free on unbind spi: bcm2835aux: Restore err assignment in bcm2835aux_spi_probe iwlwifi: pcie: limit memory read spin time arm64: dts: rockchip: Assign a fixed index to mmc devices on rk3399 boards. ARC: stack unwinding: don't assume non-current task is sleeping platform/x86: acer-wmi: add automatic keyboard background light toggle key as KEY_LIGHTS_TOGGLE Input: cm109 - do not stomp on control URB Input: i8042 - add Acer laptops to the i8042 reset list pinctrl: amd: remove debounce filter setting in IRQ type setting scsi: be2iscsi: Revert "Fix a theoretical leak in beiscsi_create_eqs()" spi: Prevent adding devices below an unregistering controller net/mlx4_en: Avoid scheduling restart task if it is already running tcp: fix cwnd-limited bug for TSO deferral where we send nothing net: stmmac: delete the eee_ctrl_timer after napi disabled net: stmmac: dwmac-meson8b: fix mask definition of the m250_sel mux net: bridge: vlan: fix error return code in __vlan_add() mac80211: mesh: fix mesh_pathtbl_init() error path USB: dummy-hcd: Fix uninitialized array use in init() USB: add RESET_RESUME quirk for Snapscan 1212 ALSA: usb-audio: Fix potential out-of-bounds shift ALSA: usb-audio: Fix control 'access overflow' errors from chmap xhci: Give USB2 ports time to enter U3 in bus suspend USB: sisusbvga: Make console support depend on BROKEN ALSA: pcm: oss: Fix potential out-of-bounds shift serial: 8250_omap: Avoid FIFO corruption caused by MDR1 access pinctrl: merrifield: Set default bias in case no particular value given pinctrl: baytrail: Avoid clearing debounce value when turning it off scsi: bnx2i: Requires MMU can: softing: softing_netdev_open(): fix error handling RDMA/cm: Fix an attempt to use non-valid pointer when cleaning timewait kernel/cpu: add arch override for clear_tasks_mm_cpumask() mm handling drm/tegra: sor: Disable clocks on error in tegra_sor_init() scsi: mpt3sas: Increase IOCInit request timeout to 30s dm table: Remove BUG_ON(in_interrupt()) soc/tegra: fuse: Fix index bug in get_process_id USB: serial: option: add interface-number sanity check to flag handling USB: gadget: f_acm: add support for SuperSpeed Plus USB: gadget: f_midi: setup SuperSpeed Plus descriptors USB: gadget: f_rndis: fix bitrate for SuperSpeed and above usb: gadget: f_fs: Re-use SS descriptors for SuperSpeedPlus usb: chipidea: ci_hdrc_imx: Pass DISABLE_DEVICE_STREAMING flag to imx6ul ARM: dts: exynos: fix roles of USB 3.0 ports on Odroid XU ARM: dts: exynos: fix USB 3.0 VBUS control and over-current pins on Exynos5410 ARM: dts: exynos: fix USB 3.0 pins supply being turned off on Odroid XU HID: i2c-hid: add Vero K147 to descriptor override serial_core: Check for port state when tty is in error state media: msi2500: assign SPI bus number dynamically md: fix a warning caused by a race between concurrent md_ioctl()s Bluetooth: Fix slab-out-of-bounds read in hci_le_direct_adv_report_evt() drm/gma500: fix double free of gma_connector RDMA/rxe: Compute PSN windows correctly ARM: p2v: fix handling of LPAE translation in BE mode crypto: talitos - Fix return type of current_desc_hdr() spi: img-spfi: fix reference leak in img_spfi_resume ASoC: pcm: DRAIN support reactivation arm64: dts: exynos: Correct psci compatible used on Exynos7 Bluetooth: Fix null pointer dereference in hci_event_packet() spi: spi-ti-qspi: fix reference leak in ti_qspi_setup spi: tegra20-slink: fix reference leak in slink ops of tegra20 spi: tegra20-sflash: fix reference leak in tegra_sflash_resume spi: tegra114: fix reference leak in tegra spi ops RDMa/mthca: Work around -Wenum-conversion warning MIPS: BCM47XX: fix kconfig dependency bug for BCM47XX_BCMA staging: greybus: codecs: Fix reference counter leak in error handling media: solo6x10: fix missing snd_card_free in error handling case drm/omap: dmm_tiler: fix return error code in omap_dmm_probe() Input: ads7846 - fix integer overflow on Rt calculation Input: ads7846 - fix unaligned access on 7845 powerpc/feature: Fix CPU_FTRS_ALWAYS by removing CPU_FTRS_GENERIC_32 crypto: omap-aes - Fix PM disable depth imbalance in omap_aes_probe soc: ti: knav_qmss: fix reference leak in knav_queue_probe soc: ti: Fix reference imbalance in knav_dma_probe drivers: soc: ti: knav_qmss_queue: Fix error return code in knav_queue_probe RDMA/cxgb4: Validate the number of CQEs memstick: fix a double-free bug in memstick_check ARM: dts: at91: sama5d4_xplained: add pincontrol for USB Host ARM: dts: at91: sama5d3_xplained: add pincontrol for USB Host orinoco: Move context allocation after processing the skb cw1200: fix missing destroy_workqueue() on error in cw1200_init_common media: siano: fix memory leak of debugfs members in smsdvb_hotplug mips: cdmm: fix use-after-free in mips_cdmm_bus_discover HSI: omap_ssi: Don't jump to free ID in ssi_add_controller() ARM: dts: at91: at91sam9rl: fix ADC triggers NFSv4.2: condition READDIR's mask for security label based on LSM state SUNRPC: xprt_load_transport() needs to support the netid "rdma6" lockd: don't use interval-based rebinding over TCP NFS: switch nfsiod to be an UNBOUND workqueue. vfio-pci: Use io_remap_pfn_range() for PCI IO memory media: saa7146: fix array overflow in vidioc_s_audio() clocksource/drivers/cadence_ttc: Fix memory leak in ttc_setup_clockevent() pinctrl: falcon: add missing put_device() call in pinctrl_falcon_probe() memstick: r592: Fix error return in r592_probe() ASoC: jz4740-i2s: add missed checks for clk_get() dm ioctl: fix error return code in target_message clocksource/drivers/arm_arch_timer: Correct fault programming of CNTKCTL_EL1.EVNTI cpufreq: highbank: Add missing MODULE_DEVICE_TABLE cpufreq: st: Add missing MODULE_DEVICE_TABLE cpufreq: loongson1: Add missing MODULE_ALIAS cpufreq: scpi: Add missing MODULE_ALIAS scsi: pm80xx: Fix error return in pm8001_pci_probe() seq_buf: Avoid type mismatch for seq_buf_init scsi: fnic: Fix error return code in fnic_probe() powerpc/pseries/hibernation: drop pseries_suspend_begin() from suspend ops usb: ehci-omap: Fix PM disable depth umbalance in ehci_hcd_omap_probe usb: oxu210hp-hcd: Fix memory leak in oxu_create speakup: fix uninitialized flush_lock nfsd: Fix message level for normal termination nfs_common: need lock during iterate through the list x86/kprobes: Restore BTF if the single-stepping is cancelled clk: tegra: Fix duplicated SE clock entry extcon: max77693: Fix modalias string ASoC: wm_adsp: remove "ctl" from list on error in wm_adsp_create_control() irqchip/alpine-msi: Fix freeing of interrupts on allocation error path um: chan_xterm: Fix fd leak nfc: s3fwrn5: Release the nfc firmware powerpc/ps3: use dma_mapping_error() checkpatch: fix unescaped left brace net: bcmgenet: Fix a resource leak in an error handling path in the probe functin net: allwinner: Fix some resources leak in the error handling path of the probe and in the remove function net: korina: fix return value watchdog: qcom: Avoid context switch in restart handler clk: ti: Fix memleak in ti_fapll_synth_setup perf record: Fix memory leak when using '--user-regs=?' to list registers qlcnic: Fix error code in probe clk: s2mps11: Fix a resource leak in error handling paths in the probe function cfg80211: initialize rekey_data Input: cros_ec_keyb - send 'scancodes' in addition to key events Input: goodix - add upside-down quirk for Teclast X98 Pro tablet media: gspca: Fix memory leak in probe media: sunxi-cir: ensure IR is handled when it is continuous media: netup_unidvb: Don't leak SPI master in probe error path Input: cyapa_gen6 - fix out-of-bounds stack access Revert "ACPI / resources: Use AE_CTRL_TERMINATE to terminate resources walks" ACPI: PNP: compare the string length in the matching_id() ALSA: pcm: oss: Fix a few more UBSAN fixes ALSA: usb-audio: Disable sample read check if firmware doesn't give back s390/dasd: prevent inconsistent LCU device data s390/dasd: fix list corruption of pavgroup group list s390/dasd: fix list corruption of lcu list staging: comedi: mf6x4: Fix AI end-of-conversion detection powerpc/perf: Exclude kernel samples while counting events in user space. USB: serial: mos7720: fix parallel-port state restore USB: serial: keyspan_pda: fix dropped unthrottle interrupts USB: serial: keyspan_pda: fix write deadlock USB: serial: keyspan_pda: fix stalled writes USB: serial: keyspan_pda: fix write-wakeup use-after-free USB: serial: keyspan_pda: fix tx-unthrottle use-after-free USB: serial: keyspan_pda: fix write unthrottling btrfs: quota: Set rescan progress to (u64)-1 if we hit last leaf btrfs: scrub: Don't use inode page cache in scrub_handle_errored_block() Btrfs: fix selftests failure due to uninitialized i_mode in test inodes btrfs: fix return value mixup in btrfs_get_extent ext4: fix a memory leak of ext4_free_data KVM: arm64: Introduce handling of AArch32 TTBCR2 traps powerpc/xmon: Change printk() to pr_cont() ceph: fix race in concurrent __ceph_remove_cap invocations jffs2: Fix GC exit abnormally jfs: Fix array index bounds check in dbAdjTree drm/dp_aux_dev: check aux_dev before use in drm_dp_aux_dev_get_by_minor() spi: spi-sh: Fix use-after-free on unbind spi: davinci: Fix use-after-free on unbind spi: pic32: Don't leak DMA channels in probe error path spi: rb4xx: Don't leak SPI master in probe error path spi: sc18is602: Don't leak SPI master in probe error path spi: st-ssc4: Fix unbalanced pm_runtime_disable() in probe error path soc: qcom: smp2p: Safely acquire spinlock without IRQs mtd: parser: cmdline: Fix parsing of part-names with colons iio: buffer: Fix demux update iio: adc: rockchip_saradc: fix missing clk_disable_unprepare() on error in rockchip_saradc_resume iio:pressure:mpl3115: Force alignment of buffer clk: mvebu: a3700: fix the XTAL MODE pin to MPP1_9 xen-blkback: set ring->xenblkd to NULL after kthread_stop() PCI: Fix pci_slot_release() NULL pointer dereference Linux 4.9.249 Signed-off-by: Greg Kroah-Hartman <gregkh@google.com> Change-Id: I4829a32e2ea6e76eefea716f35f42ee02b75c265
139 lines
3.7 KiB
C
139 lines
3.7 KiB
C
#ifndef _LINUX_TRACE_SEQ_H
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#define _LINUX_TRACE_SEQ_H
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#include <linux/seq_buf.h>
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#include <asm/page.h>
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/*
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* Trace sequences are used to allow a function to call several other functions
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* to create a string of data to use (up to a max of PAGE_SIZE).
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*/
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struct trace_seq {
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char buffer[PAGE_SIZE];
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struct seq_buf seq;
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int full;
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};
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static inline void
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trace_seq_init(struct trace_seq *s)
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{
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seq_buf_init(&s->seq, s->buffer, PAGE_SIZE);
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s->full = 0;
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}
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/**
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* trace_seq_used - amount of actual data written to buffer
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* @s: trace sequence descriptor
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*
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* Returns the amount of data written to the buffer.
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*
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* IMPORTANT!
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*
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* Use this instead of @s->seq.len if you need to pass the amount
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* of data from the buffer to another buffer (userspace, or what not).
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* The @s->seq.len on overflow is bigger than the buffer size and
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* using it can cause access to undefined memory.
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*/
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static inline int trace_seq_used(struct trace_seq *s)
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{
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return seq_buf_used(&s->seq);
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}
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/**
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* trace_seq_buffer_ptr - return pointer to next location in buffer
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* @s: trace sequence descriptor
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*
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* Returns the pointer to the buffer where the next write to
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* the buffer will happen. This is useful to save the location
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* that is about to be written to and then return the result
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* of that write.
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*/
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static inline char *
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trace_seq_buffer_ptr(struct trace_seq *s)
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{
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return s->buffer + seq_buf_used(&s->seq);
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}
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/**
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* trace_seq_has_overflowed - return true if the trace_seq took too much
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* @s: trace sequence descriptor
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*
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* Returns true if too much data was added to the trace_seq and it is
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* now full and will not take anymore.
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*/
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static inline bool trace_seq_has_overflowed(struct trace_seq *s)
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{
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return s->full || seq_buf_has_overflowed(&s->seq);
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}
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/*
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* Currently only defined when tracing is enabled.
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*/
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#ifdef CONFIG_TRACING
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extern __printf(2, 3)
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void trace_seq_printf(struct trace_seq *s, const char *fmt, ...);
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extern __printf(2, 0)
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void trace_seq_vprintf(struct trace_seq *s, const char *fmt, va_list args);
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extern void
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trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary);
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extern int trace_print_seq(struct seq_file *m, struct trace_seq *s);
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extern int trace_seq_to_user(struct trace_seq *s, char __user *ubuf,
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int cnt);
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extern void trace_seq_puts(struct trace_seq *s, const char *str);
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extern void trace_seq_putc(struct trace_seq *s, unsigned char c);
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extern void trace_seq_putmem(struct trace_seq *s, const void *mem, unsigned int len);
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extern void trace_seq_putmem_hex(struct trace_seq *s, const void *mem,
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unsigned int len);
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extern int trace_seq_path(struct trace_seq *s, const struct path *path);
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extern void trace_seq_bitmask(struct trace_seq *s, const unsigned long *maskp,
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int nmaskbits);
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#else /* CONFIG_TRACING */
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static inline void trace_seq_printf(struct trace_seq *s, const char *fmt, ...)
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{
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}
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static inline void
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trace_seq_bprintf(struct trace_seq *s, const char *fmt, const u32 *binary)
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{
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}
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static inline void
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trace_seq_bitmask(struct trace_seq *s, const unsigned long *maskp,
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int nmaskbits)
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{
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}
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static inline int trace_print_seq(struct seq_file *m, struct trace_seq *s)
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{
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return 0;
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}
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static inline int trace_seq_to_user(struct trace_seq *s, char __user *ubuf,
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int cnt)
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{
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return 0;
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}
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static inline void trace_seq_puts(struct trace_seq *s, const char *str)
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{
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}
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static inline void trace_seq_putc(struct trace_seq *s, unsigned char c)
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{
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}
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static inline void
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trace_seq_putmem(struct trace_seq *s, const void *mem, unsigned int len)
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{
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}
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static inline void trace_seq_putmem_hex(struct trace_seq *s, const void *mem,
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unsigned int len)
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{
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}
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static inline int trace_seq_path(struct trace_seq *s, const struct path *path)
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{
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return 0;
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}
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#endif /* CONFIG_TRACING */
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#endif /* _LINUX_TRACE_SEQ_H */
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