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e8ba8a2bc4f60a1065f23d6a0e7cbea945a0f40d
linux/drivers/rtc
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Yongliang Gao e8ba8a2bc4 rtc: check if __rtc_read_time was successful in rtc_timer_do_work() 
If the __rtc_read_time call fails,, the struct rtc_time tm; may contain
uninitialized data, or an illegal date/time read from the RTC hardware.

When calling rtc_tm_to_ktime later, the result may be a very large value
(possibly KTIME_MAX). If there are periodic timers in rtc->timerqueue,
they will continually expire, may causing kernel softlockup.

Fixes: 6610e0893b ("RTC: Rework RTC code to use timerqueue for events")
Signed-off-by: Yongliang Gao <leonylgao@tencent.com>
Acked-by: Jingqun Li <jingqunli@tencent.com>
Link: https://lore.kernel.org/r/20241011043153.3788112-1-leonylgao@gmail.com
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2024-11-11 23:10:54 +01:00
..
class.c
rtc: class: make rtc_class constant
2024-03-08 12:05:10 +01:00
dev.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
interface.c
rtc: check if __rtc_read_time was successful in rtc_timer_do_work()
2024-11-11 23:10:54 +01:00
Kconfig
rtc: pcf8563: Switch to regmap
2024-11-11 22:13:39 +01:00
lib_test.c
rtc: add missing MODULE_DESCRIPTION() macro
2024-06-28 00:24:43 +02:00
lib.c
…
Makefile
rtc: Makefile: Replace spaces with tab.
2024-11-10 22:59:21 +01:00
nvmem.c
nvmem: add explicit config option to read old syntax fixed OF cells
2023-10-21 19:19:06 +02:00
proc.c
…
rtc-88pm80x.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-88pm860x.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-ab8500.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-ab-b5ze-s3.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-ab-eoz9.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-abx80x.c
rtc: abx80x: Fix WDT bit position of the status register
2024-11-11 22:10:26 +01:00
rtc-ac100.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-armada38x.c
rtc: remove redundant of_match_ptr()
2023-08-10 09:45:41 +02:00
rtc-as3722.c
…
rtc-asm9260.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-aspeed.c
rtc: remove redundant of_match_ptr()
2023-08-10 09:45:41 +02:00
rtc-at91rm9200.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-at91sam9.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-au1xxx.c
…
rtc-bd70528.c
…
rtc-bq32k.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-bq4802.c
…
rtc-brcmstb-waketimer.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-cadence.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-cmos.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-core.h
…
rtc-cpcap.c
…
rtc-cros-ec.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-da9052.c
…
rtc-da9055.c
…
rtc-da9063.c
rtc: da9063: Use dev_err_probe()
2024-01-18 01:00:21 +01:00
rtc-digicolor.c
…
rtc-ds1216.c
…
rtc-ds1286.c
…
rtc-ds1302.c
…
rtc-ds1305.c
rtc: ds1305: Report maximum alarm limit to rtc core
2023-08-27 23:50:22 +02:00
rtc-ds1307.c
rtc: ds1307: Clamp year to valid BCD (0-99) in set_time()
2024-07-07 00:39:27 +02:00
rtc-ds1343.c
…
rtc-ds1347.c
…
rtc-ds1374.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-ds1390.c
…
rtc-ds1511.c
rtc: ds1511: set alarm offset limit
2024-02-29 22:16:52 +01:00
rtc-ds1553.c
…
rtc-ds1672.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-ds1685.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-ds1742.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-ds2404.c
rtc: ds2404: Convert to GPIO descriptors
2023-08-17 00:55:56 +02:00
rtc-ds3232.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-efi.c
rtc: efi: fixed typo in efi_procfs()
2023-10-15 23:01:08 +02:00
rtc-em3027.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-ep93xx.c
rtc: ep93xx: add DT support for Cirrus EP93xx
2023-10-15 23:17:05 +02:00
rtc-fm3130.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-fsl-ftm-alarm.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-ftrtc010.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-gamecube.c
…
rtc-generic.c
…
rtc-goldfish.c
rtc: add missing MODULE_DESCRIPTION() macro
2024-06-28 00:24:43 +02:00
rtc-hid-sensor-time.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-hym8563.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-imx-sc.c
…
rtc-imx-sm-bbm.c
rtc: support i.MX95 BBM RTC
2024-08-28 21:54:51 +01:00
rtc-imxdi.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-isl1208.c
rtc: isl1208: Update correct procedure for clearing alarm
2024-06-28 00:34:21 +02:00
rtc-isl12022.c
rtc: isl12022: Replace uint8_t types with u8
2024-11-11 00:06:46 +01:00
rtc-isl12026.c
rtc: isl12026: Drop "_new" from probe callback name
2023-07-27 23:32:08 +02:00
rtc-jz4740.c
rtc: jz4740: fix Wvoid-pointer-to-enum-cast warning
2023-08-16 01:32:08 +02:00
rtc-loongson.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-lp8788.c
…
rtc-lpc24xx.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-lpc32xx.c
…
rtc-m41t80.c
[tree-wide] finally take no_llseek out
2024-09-27 08:18:43 -07:00
rtc-m41t93.c
…
rtc-m41t94.c
…
rtc-m48t35.c
…
rtc-m48t59.c
rtc: m48t59: set range
2024-09-22 01:17:10 +02:00
rtc-m48t86.c
rtc: m48t86: add DT support for m48t86
2023-08-28 00:01:51 +02:00
rtc-ma35d1.c
rtc: ma35d1: remove hardcoded UIE support
2024-01-08 01:33:27 +01:00
rtc-max6900.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-max6902.c
…
rtc-max6916.c
…
rtc-max8907.c
…
rtc-max8925.c
…
rtc-max8997.c
…
rtc-max8998.c
…
rtc-max31335.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-max77686.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-mc13xxx.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-mc146818-lib.c
rtc: rtc-mc146818-lib: Use is_leap_year instead of calculate leap years
2024-11-10 23:02:43 +01:00
rtc-mcp795.c
rtc: mcp795: drop unneeded MODULE_ALIAS
2024-04-17 01:39:35 +02:00
rtc-meson-vrtc.c
…
rtc-meson.c
…
rtc-moxart.c
…
rtc-mpc5121.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-mpfs.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-msc313.c
…
rtc-msm6242.c
…
rtc-mt2712.c
…
rtc-mt6397.c
rtc: mt6359: Use RTC_TC_DOW hardware register for wday
2024-11-11 22:00:35 +01:00
rtc-mt7622.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-mv.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-mxc_v2.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-mxc.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-nct3018y.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-ntxec.c
…
rtc-nxp-bbnsm.c
rtc: bbnsm: add remove hook
2024-11-11 11:47:58 +01:00
rtc-omap.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-opal.c
…
rtc-optee.c
…
rtc-palmas.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-pcap.c
rtc: pcap: Drop no-op remove function
2023-10-13 12:29:08 +02:00
rtc-pcf2123.c
…
rtc-pcf2127.c
rtc: pcf2127: remove useless check
2023-08-27 23:53:06 +02:00
rtc-pcf8523.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-pcf8563.c
rtc: pcf8563: Switch to regmap
2024-11-11 22:13:39 +01:00
rtc-pcf8583.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-pcf50633.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-pcf85063.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-pcf85363.c
rtc: pcf85363: fix wrong mask/val parameters in regmap_update_bits call
2023-10-15 22:37:57 +02:00
rtc-pic32.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-pl030.c
…
rtc-pl031.c
…
rtc-pm8xxx.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-ps3.c
…
rtc-pxa.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-r7301.c
rtc: rtc7301: Support byte-addressed IO
2023-10-15 22:37:25 +02:00
rtc-r9701.c
…
rtc-rc5t583.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-rc5t619.c
rtc: rc5t619: use proper module tables
2024-09-22 01:17:35 +02:00
rtc-renesas-rtca3.c
rtc: renesas-rtca3: Fix compilation error on RISC-V
2024-11-10 22:09:01 +01:00
rtc-rk808.c
…
rtc-rp5c01.c
…
rtc-rs5c313.c
…
rtc-rs5c348.c
…
rtc-rs5c372.c
rtc: rs5c372: fix Wvoid-pointer-to-enum-cast warning
2023-08-16 01:32:08 +02:00
rtc-rtd119x.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-rv3028.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-rv3029c2.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-rv3032.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-rv8803.c
rtc: rv8803: add wakeup-source support
2024-01-15 22:29:48 +01:00
rtc-rx4581.c
…
rtc-rx6110.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-rx8010.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-rx8025.c
rtc: Switch i2c drivers back to use .probe()
2023-06-06 23:29:37 +02:00
rtc-rx8111.c
rtc: rx8111: handle VLOW flag
2024-05-07 23:40:10 +02:00
rtc-rx8581.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-rzn1.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-s3c.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-s3c.h
…
rtc-s5m.c
…
rtc-s35390a.c
rtc: s35390a: Drop vendorless compatible string from match table
2024-09-12 00:15:49 +02:00
rtc-sa1100.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-sa1100.h
…
rtc-sc27xx.c
…
rtc-sd2405al.c
rtc: Add driver for SD2405AL
2024-09-12 00:33:24 +02:00
rtc-sd3078.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-sh.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-snvs.c
…
rtc-spear.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-ssd202d.c
rtc: Add support for the SSD202D RTC
2023-10-16 16:54:15 +02:00
rtc-st-lpc.c
rtc: st-lpc: Use IRQF_NO_AUTOEN flag in request_irq()
2024-11-10 23:01:59 +01:00
rtc-starfire.c
…
rtc-stk17ta8.c
…
rtc-stm32.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-stmp3xxx.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-sun4v.c
…
rtc-sun6i.c
rtc: sun6i: disable automatic clock input switching
2024-09-12 00:33:33 +02:00
rtc-sunplus.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-sunxi.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-tegra.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-test.c
…
rtc-ti-k3.c
rtc: Explicitly include correct DT includes
2023-07-27 23:31:29 +02:00
rtc-tps6586x.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-tps6594.c
rtc: tps6594: Add power management support
2024-06-28 00:18:55 +02:00
rtc-tps65910.c
rtc: add missing MODULE_DESCRIPTION() macro
2024-06-28 00:24:43 +02:00
rtc-twl.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-vt8500.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-wilco-ec.c
…
rtc-wm831x.c
…
rtc-wm8350.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-x1205.c
rtc: Drop explicit initialization of struct i2c_device_id::driver_data to 0
2024-07-07 00:40:29 +02:00
rtc-xgene.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
rtc-zynqmp.c
rtc: Switch back to struct platform_driver::remove()
2024-11-10 22:58:28 +01:00
sysfs.c
…