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Colin Ian King 347876ad47 rtc: tx4939: avoid unintended sign extension on a 24 bit shift 
The shifting of buf[5] by 24 bits to the left will be promoted to
a 32 bit signed int and then sign-extended to an unsigned long. If
the top bit of buf[5] is set then all then all the upper bits sec
end up as also being set because of the sign-extension. Fix this by
casting buf[5] to an unsigned long before the shift.

Detected by CoverityScan, CID#1465292 ("Unintended sign extension")

Fixes: 0e1492330cd2 ("rtc: add rtc-tx4939 driver")
Signed-off-by: Colin Ian King <colin.king@canonical.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
2018-03-01 10:49:38 +01:00
..
class.c
rtc: remove nvmem_config
2018-03-01 10:49:23 +01:00
hctosys.c
rtc: use more standard kernel logging styles
2015-04-17 09:04:02 -04:00
interface.c
rtc: Add tracepoints for RTC system
2018-02-13 21:30:22 +01:00
Kconfig
rtc: tx4939: extend test coverage
2018-03-01 10:49:34 +01:00
Makefile
rtc: remove rtc-at32ap700x
2018-01-19 09:59:32 +01:00
nvmem.c
rtc: export rtc_nvmem_register() to drivers
2018-03-01 10:49:15 +01:00
rtc-88pm80x.c
rtc: 88pm80x: add device tree support
2015-09-05 13:19:05 +02:00
rtc-88pm860x.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-ab3100.c
drivers/rtc/ab3100: Update driver to address y2038/y2106 issues
2015-04-03 08:18:25 +02:00
rtc-ab8500.c
rtc: ab8500: remove misuse of IRQF_NO_SUSPEND flag
2015-11-08 14:12:25 +01:00
rtc-ab-b5ze-s3.c
rtc: Export OF module alias information in missing drivers
2015-09-05 13:19:08 +02:00
rtc-abx80x.c
rtc: abx80x: solve race condition
2017-10-13 00:10:12 +02:00
rtc-ac100.c
RTC for 4.16
2018-02-02 14:19:19 -08:00
rtc-armada38x.c
rtc: armada38x: add support for trimming the RTC
2017-10-25 23:05:52 +02:00
rtc-as3722.c
rtc: as3722: Drop IRQF_EARLY_RESUME flag
2016-03-14 17:08:25 +01:00
rtc-asm9260.c
rtc: asm9260: fix module autoload
2016-10-19 08:45:48 +02:00
rtc-at91rm9200.c
rtc: at91rm9200: fix reading alarm value
2017-11-10 16:24:32 +01:00
rtc-at91rm9200.h
…
rtc-at91sam9.c
rtc: at91sam9: Fix missing spin_lock_init()
2016-07-26 00:09:18 +02:00
rtc-au1xxx.c
rtc: constify rtc_class_ops structures
2017-01-11 17:23:06 +01:00
rtc-bfin.c
rtc: constify rtc_class_ops structures
2017-01-11 17:23:06 +01:00
rtc-bq32k.c
rtc: bq32k: Add OF device ID table
2017-03-09 01:29:17 +01:00
rtc-bq4802.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-brcmstb-waketimer.c
rtc: brcmstb-waketimer: fix error handling in brcmstb_waketmr_probe()
2017-11-29 22:11:13 +01:00
rtc-cmos.c
rtc: cmos: use generic nvmem
2018-03-01 10:49:29 +01:00
rtc-coh901331.c
rtc: constify rtc_class_ops structures
2016-09-02 01:24:06 +02:00
rtc-core.h
rtc: export rtc_nvmem_register() to drivers
2018-03-01 10:49:15 +01:00
rtc-cpcap.c
rtc: cpcap: fix improper use of IRQ_NONE for request_threaded_irq
2017-04-14 12:08:52 +02:00
rtc-cros-ec.c
rtc: cros-ec: add cros-ec-rtc driver.
2017-12-18 23:05:10 +01:00
rtc-da9052.c
rtc: explicitly set tm_sec = 0 for drivers with minute accurancy
2016-07-19 18:15:21 +02:00
rtc-da9055.c
rtc: explicitly set tm_sec = 0 for drivers with minute accurancy
2016-07-19 18:15:21 +02:00
rtc-da9063.c
rtc: da9063: avoid writing undefined data to rtc
2016-01-11 20:19:57 +01:00
rtc-davinci.c
rtc: constify rtc_class_ops structures
2016-09-02 01:24:06 +02:00
rtc-dev.c
vfs: do bulk POLL* -> EPOLL* replacement
2018-02-11 14:34:03 -08:00
rtc-digicolor.c
rtc: constify rtc_class_ops structures
2016-09-02 01:24:06 +02:00
rtc-dm355evm.c
mfd: dm355evm_msp: Move header file out of I2C realm
2017-08-15 08:06:14 +01:00
rtc-ds1216.c
rtc: remove useless DRV_VERSION
2016-05-20 12:33:51 +02:00
rtc-ds1286.c
rtc: ds1286: move header to linux/rtc
2016-07-08 16:23:11 +02:00
rtc-ds1302.c
rtc: ds1302: remove redundant initializations of pointer bp
2018-02-13 21:46:06 +01:00
rtc-ds1305.c
rtc: ds1305: put ds1305_nvmem_cfg on the stack
2018-03-01 10:49:16 +01:00
rtc-ds1307.c
rtc: ds1307: put struct nvmem_config on the stack
2018-03-01 10:49:17 +01:00
rtc-ds1343.c
rtc: ds1343: use generic nvmem
2018-03-01 10:49:25 +01:00
rtc-ds1347.c
rtc: ds1347: changed raw spi calls to register map calls
2016-09-22 00:14:40 +02:00
rtc-ds1374.c
rtc: ds1374: wdt: Fix stop/start ioctl always returning -EINVAL
2017-05-04 14:46:25 +02:00
rtc-ds1390.c
rtc: ds1390: Add OF device ID table
2017-10-27 13:11:50 +02:00
rtc-ds1511.c
rtc: ds1511: put ds1511_nvmem_cfg on the stack
2018-03-01 10:49:18 +01:00
rtc-ds1553.c
rtc: ds1553: make alarms useful
2018-03-01 10:49:28 +01:00
rtc-ds1672.c
rtc: constify i2c_device_id
2017-09-01 01:10:11 +02:00
rtc-ds1685.c
rtc: simplify implementations of read_alarm
2016-07-09 10:24:45 +02:00
rtc-ds1742.c
rtc: ds1742: use generic nvmem
2018-03-01 10:49:30 +01:00
rtc-ds2404.c
rtc: ds2404: move rtc-ds2404.h to platform_data
2016-06-27 10:48:28 +02:00
rtc-ds3232.c
rtc: ds3232: add temperature support
2017-07-06 22:37:16 +02:00
rtc-efi-platform.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
rtc-efi.c
rtc: efi: Fail probing if RTC reads don't work
2016-06-06 17:07:33 +02:00
rtc-em3027.c
rtc: constify i2c_device_id
2017-09-01 01:10:11 +02:00
rtc-ep93xx.c
rtc: remove useless DRV_VERSION
2016-05-20 12:33:51 +02:00
rtc-fm3130.c
rtc: Drop owner assignment from i2c_driver
2015-09-05 13:19:06 +02:00
rtc-ftrtc010.c
rtc: gemini/ftrtc010: rename driver and symbols
2017-07-06 22:37:15 +02:00
rtc-generic.c
rtc: generic: remove get_rtc_time/set_rtc_time wrappers
2016-06-04 00:23:35 +02:00
rtc-goldfish.c
rtc: goldfish: Add missing MODULE_LICENSE
2018-02-13 21:46:04 +01:00
rtc-hid-sensor-time.c
rtc: hid-sensor-time: remove some dead code
2017-04-22 17:56:18 +02:00
rtc-hym8563.c
rtc: hym8563: in .read_alarm set .tm_sec to 0 to signal minute accuracy
2016-07-19 18:18:06 +02:00
rtc-imxdi.c
sched/wait: Disambiguate wq_entry->task_list and wq_head->task_list naming
2017-06-20 12:19:14 +02:00
rtc-isl1208.c
rtc: isl1208: Fix unintended clear of SR bits
2018-03-01 10:49:36 +01:00
rtc-isl12022.c
rtc: remove useless DRV_VERSION
2016-05-20 12:33:51 +02:00
rtc-jz4740.c
rtc: jz4740: fix loading of rtc driver
2017-10-12 14:28:14 +02:00
rtc-lib.c
rtc: Fix overflow when converting time64_t to rtc_time
2018-02-13 21:30:28 +01:00
rtc-lp8788.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-lpc24xx.c
rtc: add rtc-lpc24xx driver
2015-09-05 13:19:06 +02:00
rtc-lpc32xx.c
rtc: lpc32xx: remove irq > NR_IRQS check from probe()
2016-01-11 20:19:59 +01:00
rtc-ls1x.c
rtc: constify rtc_class_ops structures
2017-01-11 17:23:06 +01:00
rtc-m41t80.c
rtc: m41t80: remove unneeded checks from m41t80_sqw_set_rate
2017-11-08 07:52:24 +01:00
rtc-m41t93.c
spi: Drop owner assignment from spi_drivers
2015-10-28 10:30:17 +09:00
rtc-m41t94.c
spi: Drop owner assignment from spi_drivers
2015-10-28 10:30:17 +09:00
rtc-m48t35.c
rtc: remove useless DRV_VERSION
2016-05-20 12:33:51 +02:00
rtc-m48t59.c
rtc: m48t59: use generic nvmem
2018-03-01 10:49:26 +01:00
rtc-m48t86.c
rtc: m48t86: put m48t86_nvmem_cfg on the stack
2018-03-01 10:49:19 +01:00
rtc-max6900.c
rtc: constify i2c_device_id
2017-09-01 01:10:11 +02:00
rtc-max6902.c
spi: Drop owner assignment from spi_drivers
2015-10-28 10:30:17 +09:00
rtc-max6916.c
rtc: add support for Maxim max6916
2016-06-04 16:05:59 +02:00
rtc-max8907.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-max8925.c
rtc: max8925: remove redundant check on ret
2017-07-31 00:17:48 +02:00
rtc-max8997.c
rtc: Fix module autoload for rtc-{ab8500,max8997,s5m} drivers
2015-09-05 19:37:21 +02:00
rtc-max8998.c
rtc: ds1672, max6900, max8998: Add MODULE_DEVICE_TABLE
2015-06-25 01:13:36 +02:00
rtc-max77686.c
rtc: max77686: Use REGMAP_IRQ_REG for regmap-rtc-irqs initialisation
2016-03-14 17:08:27 +01:00
rtc-mc13xxx.c
rtc: mc13xxx: remove UIE signaling
2016-05-20 12:33:51 +02:00
rtc-mc146818-lib.c
rtc: move mc146818 helper functions out-of-line
2016-06-26 01:20:08 +02:00
rtc-mcp795.c
rtc: mcp795: add alarm support.
2017-01-11 17:23:04 +01:00
rtc-moxart.c
rtc: Fix module autoload for OF platform drivers
2015-09-05 19:37:22 +02:00
rtc-mpc5121.c
rtc: Fix module autoload for OF platform drivers
2015-09-05 19:37:22 +02:00
rtc-mrst.c
rtc: simplify implementations of read_alarm
2016-07-09 10:24:45 +02:00
rtc-msm6242.c
rtc: use more standard kernel logging styles
2015-04-17 09:04:02 -04:00
rtc-mt6397.c
rtc: constify rtc_class_ops structures
2016-09-02 01:24:06 +02:00
rtc-mt7622.c
rtc: mediatek: add driver for RTC on MT7622 SoC
2017-10-26 10:43:29 +02:00
rtc-mv.c
rtc: Fix module autoload for OF platform drivers
2015-09-05 19:37:22 +02:00
rtc-mxc_v2.c
rtc: mxc_v2: Fix _iomem pointer notation
2018-03-01 10:49:36 +01:00
rtc-mxc.c
rtc: mxc: avoid disabling interrupts on device close
2017-08-24 16:23:16 +02:00
rtc-nuc900.c
rtc: rtc-nuc900: fix loop timeout test
2017-07-06 22:37:16 +02:00
rtc-omap.c
rtc: omap: call rtc_nvmem_register()
2018-03-01 10:49:20 +01:00
rtc-opal.c
rtc-opal: Fix handling of firmware error codes, prevent busy loops
2018-01-27 21:15:59 +11:00
rtc-palmas.c
rtc: constify rtc_class_ops structures
2016-09-02 01:24:06 +02:00
rtc-pcap.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-pcf2123.c
rtc: pcf2123: Add missing error code assignment before test
2016-08-31 18:21:34 +02:00
rtc-pcf2127.c
rtc: pcf2127: bulk read only date and time registers.
2017-02-23 18:38:54 +01:00
rtc-pcf8523.c
rtc: pcf8523: add support for trimming the RTC oscillator
2017-10-25 23:05:52 +02:00
rtc-pcf8563.c
rtc: pcf8563: don't alway enable the alarm
2017-11-09 01:16:36 +01:00
rtc-pcf8583.c
rtc: Drop owner assignment from i2c_driver
2015-09-05 13:19:06 +02:00
rtc-pcf50633.c
rtc: constify rtc_class_ops structures
2016-09-02 01:24:06 +02:00
rtc-pcf85063.c
rtc: pcf85063: do not register a RTC device if chip is not present
2016-11-04 23:08:59 +01:00
rtc-pcf85363.c
rtc: pcf85363: put struct nvmem_config on the stack
2018-03-01 10:49:21 +01:00
rtc-pic32.c
rtc: pic32: Delete owner assignment
2016-08-31 18:21:35 +02:00
rtc-pl030.c
…
rtc-pl031.c
rtc: pl031: make interrupt optional
2017-10-12 16:30:30 +02:00
rtc-pm8xxx.c
rtc: rtc-pm8xxx: Add support for pm8018 rtc
2016-08-31 09:33:33 +01:00
rtc-proc.c
rtc: fix module reference count in rtc-proc
2016-01-11 20:19:55 +01:00
rtc-ps3.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-puv3.c
rtc: puv3: make alarms useful
2017-08-22 12:05:21 +02:00
rtc-pxa.c
rtc: pxa: fix possible race condition
2017-08-24 11:03:34 +02:00
rtc-r7301.c
rtc: r7301: Fix a possible sleep-in-atomic bug in rtc7301_set_time
2018-01-12 00:20:34 +01:00
rtc-r9701.c
rtc: r9701: Remove r9701_remove function
2017-11-29 22:13:30 +01:00
rtc-rc5t583.c
rtc: explicitly set tm_sec = 0 for drivers with minute accurancy
2016-07-19 18:15:21 +02:00
rtc-rk808.c
rtc: rk808: Compensate for Rockchip calendar deviation on November 31st
2015-12-20 13:39:00 +01:00
rtc-rp5c01.c
rtc: rp5c01: use generic nvmem
2018-03-01 10:49:31 +01:00
rtc-rs5c313.c
rtc: remove useless DRV_VERSION
2016-05-20 12:33:51 +02:00
rtc-rs5c348.c
rtc: remove useless DRV_VERSION
2016-05-20 12:33:51 +02:00
rtc-rs5c372.c
rtc: rs5c372: Add OF device ID table
2017-03-09 01:29:34 +01:00
rtc-rtd119x.c
rtc: Add Realtek RTD1295
2017-09-05 09:55:02 +02:00
rtc-rv3029c2.c
rtc: rv3029: Clean up error handling in rv3029_eeprom_write()
2017-10-12 16:24:19 +02:00
rtc-rv8803.c
rtc: rv8803: fix possible race condition
2018-03-01 10:49:23 +01:00
rtc-rx4581.c
spi: Drop owner assignment from spi_drivers
2015-10-28 10:30:17 +09:00
rtc-rx6110.c
rtc: constify rtc_class_ops structures
2016-09-02 01:24:06 +02:00
rtc-rx8010.c
rtc: rx8010: Fix for incorrect return value
2017-11-09 01:16:35 +01:00
rtc-rx8025.c
rtc: constify rtc_class_ops structures
2016-09-02 01:24:06 +02:00
rtc-rx8581.c
rtc: rx8581: Add OF device ID table
2017-03-09 01:29:31 +01:00
rtc-s3c.c
rtc: s3c: Handle clock enable failures
2017-06-24 22:52:43 +02:00
rtc-s3c.h
…
rtc-s5m.c
rtc: s5m: De-inline large functions to save space
2016-03-14 17:08:18 +01:00
rtc-s35390a.c
rtc: s35390a: implement ioctls
2017-07-31 00:17:44 +02:00
rtc-sa1100.c
rtc: sa1100: make alarms useful
2017-08-24 11:03:35 +02:00
rtc-sa1100.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
rtc-sc27xx.c
rtc: sc27xx: Add Spreadtrum SC27xx PMIC RTC driver
2017-11-20 22:47:50 +01:00
rtc-sh.c
rtc: sh: mark PM functions as unused
2017-04-22 18:01:15 +02:00
rtc-sirfsoc.c
rtc: sirfsoc: remove useless sirfsoc_rtc_ioctl
2018-03-01 10:49:27 +01:00
rtc-snvs.c
rtc: snvs: fix an incorrect check of return value
2017-05-05 00:43:50 +02:00
rtc-spear.c
rtc: constify rtc_class_ops structures
2016-09-02 01:24:06 +02:00
rtc-st-lpc.c
rtc: st-lpc: make it robust against y2038/2106 bug
2017-07-09 22:32:18 +02:00
rtc-starfire.c
rtc: sparc: make starfire explicitly non-modular
2016-11-04 23:31:31 +01:00
rtc-stk17ta8.c
rtc: stk17ta8: use generic nvmem
2018-03-01 10:49:33 +01:00
rtc-stm32.c
rtc: stm32: Fix copyright
2017-11-29 22:20:56 +01:00
rtc-stmp3xxx.c
rtc: constify rtc_class_ops structures
2016-09-02 01:24:06 +02:00
rtc-sun4v.c
rtc: sparc: make sun4v explicitly non-modular
2016-11-04 23:31:33 +01:00
rtc-sun6i.c
rtc: sun6i: ensure rtc is kfree'd on error
2017-12-18 23:05:10 +01:00
rtc-sunxi.c
rtc: sunxi: use of_device_get_match_data
2016-01-11 20:19:57 +01:00
rtc-sysfs.c
rtc: sysfs: Use time64_t variables to set time/alarm
2017-11-10 09:57:38 +01:00
rtc-tegra.c
rtc: tegra: Implement clock handling
2017-01-23 00:46:55 +01:00
rtc-test.c
drivers/rtc/test: Update driver to address y2038/y2106 issues
2015-04-03 08:18:24 +02:00
rtc-tile.c
rtc: drop owner assignment from platform_drivers
2014-10-20 16:21:31 +02:00
rtc-tps6586x.c
rtc: tps6586x: rename so module can be autoloaded
2016-05-21 17:07:17 +02:00
rtc-tps65910.c
rtc: tps65910: use 'unsigned int' instead of 'unsigned' in arguments
2017-01-10 01:32:51 +01:00
rtc-tps80031.c
rtc: tps80031: Drop IRQF_EARLY_RESUME flag
2016-03-14 17:08:24 +01:00
rtc-twl.c
mfd: twl: Move header file out of I2C realm
2017-09-04 14:41:02 +01:00
rtc-tx4939.c
rtc: tx4939: avoid unintended sign extension on a 24 bit shift
2018-03-01 10:49:38 +01:00
rtc-v3020.c
rtc: v3020: move rtc-v3020.h to platform_data
2016-07-09 10:24:21 +02:00
rtc-vr41xx.c
rtc: vr41xx: make alarms useful
2017-08-24 11:03:36 +02:00
rtc-vt8500.c
rtc: Fix module autoload for OF platform drivers
2015-09-05 19:37:22 +02:00
rtc-wm831x.c
…
rtc-wm8350.c
rtc: wm8350: Remove unused to_wm8350_from_rtc_dev
2017-03-16 22:59:54 +01:00
rtc-x1205.c
rtc: remove useless DRV_VERSION
2016-05-20 12:33:51 +02:00
rtc-xgene.c
rtc: xgene: mark PM functions as __maybe_unused
2017-11-09 01:25:47 +01:00
rtc-zynqmp.c
rtc: zynqmp: Update seconds time programming logic
2016-05-20 12:33:51 +02:00
systohc.c
rtc: Allow rtc drivers to specify the tv_nsec value for ntp
2017-10-30 15:03:24 -07:00