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Yang Yingliang 6ecd4d5c28 rtc: mt6397: check return value after calling platform_get_resource() 
[ Upstream commit d3b43eb505bffb8e4cdf6800c15660c001553fe6 ]

It will cause null-ptr-deref if platform_get_resource() returns NULL,
we need check the return value.

Fixes: fc2979118f3f ("rtc: mediatek: Add MT6397 RTC driver")
Signed-off-by: Yang Yingliang <yangyingliang@huawei.com>
Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220505125043.1594771-1-yangyingliang@huawei.com
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-06-14 16:59:32 +02:00
..
class.c
rtc: remove irq_task and irq_task_lock
2018-07-26 15:08:53 +02:00
hctosys.c
rtc: hctosys: Add missing range error reporting
2018-11-21 09:19:23 +01:00
interface.c
rtc: disable uie before setting time and enable after
2019-12-17 20:35:43 +01:00
Kconfig
rtc: s5m: select REGMAP_I2C
2021-03-04 09:39:44 +01:00
Makefile
RTC for 4.17
2018-04-10 10:22:27 -07:00
nvmem.c
rtc: nvmem: don't use IS_ERR_OR_NULL
2018-05-21 22:34:38 +02:00
rtc-88pm80x.c
rtc: 88pm80x: fix unintended sign extension
2020-01-27 14:50:20 +01:00
rtc-88pm860x.c
rtc: 88pm860x: fix possible race condition
2020-04-23 10:30:18 +02:00
rtc-ab3100.c
rtc: stop validating rtc_time after rtc_time64_to_tm
2018-03-01 10:49:41 +01:00
rtc-ab8500.c
rtc: ab8500: Drop AB8540 support
2018-03-27 10:45:05 +02:00
rtc-ab-b5ze-s3.c
rtc: ab-b5ze-s3: let the core handle the RTC range
2018-05-17 22:23:25 +02:00
rtc-abx80x.c
rtc: abx80x: remove useless message
2018-03-02 10:12:23 +01:00
rtc-ac100.c
treewide: Use struct_size() for devm_kmalloc() and friends
2018-06-06 11:15:43 -07:00
rtc-armada38x.c
rtc: armada38x: fix possible race condition
2019-11-20 18:47:52 +01:00
rtc-as3722.c
…
rtc-asm9260.c
rtc: asm9260: fix module autoload
2016-10-19 08:45:48 +02:00
rtc-at91rm9200.c
rtc: at91rm9200: add range
2018-05-17 22:23:14 +02:00
rtc-at91rm9200.h
…
rtc-at91sam9.c
rtc: at91sam9: Set name of regmap_config
2018-03-17 14:20:57 +01:00
rtc-au1xxx.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-bq32k.c
rtc: remove VLA usage
2018-03-17 14:20:56 +01:00
rtc-bq4802.c
rtc: bq4802: add error handling for devm_ioremap
2018-07-11 20:41:01 +02:00
rtc-brcmstb-waketimer.c
rtc: brcmstb-waketimer: add missed clk_disable_unprepare
2020-01-17 19:47:13 +01:00
rtc-cmos.c
rtc: cmos: take rtc_lock while reading from CMOS
2022-01-27 09:04:15 +01:00
rtc-coh901331.c
headers: separate linux/mod_devicetable.h from linux/platform_device.h
2018-07-07 17:52:26 +02:00
rtc-core.h
rtc: sysfs: facilitate attribute add to rtc device
2018-08-14 22:56:27 +02:00
rtc-cpcap.c
headers: separate linux/mod_devicetable.h from linux/platform_device.h
2018-07-07 17:52:26 +02:00
rtc-cros-ec.c
rtc: cros-ec: Fail suspend/resume if wake IRQ can't be configured
2019-05-08 07:21:45 +02:00
rtc-da9052.c
rtc: diasemi: stop validating rtc_time in .read_time
2018-03-02 10:11:02 +01:00
rtc-da9055.c
rtc: diasemi: stop validating rtc_time in .read_time
2018-03-02 10:11:02 +01:00
rtc-da9063.c
rtc: da9063: set uie_unsupported when relevant
2019-05-08 07:21:49 +02:00
rtc-davinci.c
rtc: constify rtc_class_ops structures
2016-09-02 01:24:06 +02:00
rtc-dev.c
rtc: simplify rtc_irq_set_state/rtc_irq_set_freq
2018-07-26 15:08:53 +02:00
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: simplify getting .drvdata
2018-05-03 22:08:00 +02:00
rtc-ds1286.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-ds1302.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-ds1305.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-ds1307.c
rtc: ds1307: Fix wday settings for rx8130
2021-05-22 10:59:43 +02:00
rtc-ds1343.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-ds1347.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-ds1374.c
rtc: ds1374: fix possible race condition
2020-10-01 13:14:38 +02:00
rtc-ds1390.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-ds1511.c
rtc: simplify getting .drvdata
2018-05-03 22:08:00 +02:00
rtc-ds1553.c
rtc: simplify getting .drvdata
2018-05-03 22:08:00 +02:00
rtc-ds1672.c
rtc: ds1672: fix unintended sign extension
2020-01-27 14:50:19 +01:00
rtc-ds1685.c
rtc: ds1685: remove sysfs access to control registers
2018-06-20 12:38:14 +02:00
rtc-ds1742.c
rtc: ds1742: don't explicitly specify word_size and stride of nvmem
2018-05-21 22:34:36 +02:00
rtc-ds2404.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-ds3232.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
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: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-em3027.c
rtc: constify i2c_device_id
2017-09-01 01:10:11 +02:00
rtc-ep93xx.c
…
rtc-fm3130.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-ftrtc010.c
headers: separate linux/mod_devicetable.h from linux/platform_device.h
2018-07-07 17:52:26 +02:00
rtc-generic.c
…
rtc-goldfish.c
rtc: goldfish: Enable interrupt in set_alarm() when necessary
2020-08-26 10:31:00 +02:00
rtc-hid-sensor-time.c
iio/hid-sensors: Fix IIO_CHAN_INFO_RAW returning wrong values for signed numbers
2018-12-05 19:32:13 +01:00
rtc-hym8563.c
rtc: hym8563: Return -EINVAL if the time is known to be invalid
2020-02-14 16:33:24 -05:00
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: avoid possible sysfs race
2019-11-20 18:47:52 +01:00
rtc-isl12022.c
rtc: isl12022: use true and false for boolean values
2018-04-03 16:40:46 +02:00
rtc-isl12026.c
rtc: isl12026: fixup nvmem registration
2018-03-17 14:20:51 +01:00
rtc-jz4740.c
rtc: stop validating rtc_time after rtc_time_to_tm
2018-03-01 10:49:41 +01:00
rtc-lib.c
rtc: fix rtc_time64_to_tm for 3477
2018-03-17 14:20:50 +01:00
rtc-lp8788.c
…
rtc-lpc24xx.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-lpc32xx.c
rtc: simplify getting .drvdata
2018-05-03 22:08:00 +02:00
rtc-ls1x.c
rtc: ls1x: add range
2018-05-18 09:38:22 +02:00
rtc-m41t80.c
rtc: m41t80: Correct alarm month range with RTC reads
2019-01-09 17:38:48 +01:00
rtc-m41t93.c
rtc: m41t93: stop validating rtc_time in .read_time
2018-03-02 10:12:19 +01:00
rtc-m41t94.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-m48t35.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-m48t59.c
rtc: m48t59: remove redundant pointer 'name'
2018-07-12 21:17:36 +02:00
rtc-m48t86.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-max6900.c
rtc: max6900: remove useless indirection
2018-03-17 14:20:46 +01:00
rtc-max6902.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-max6916.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-max8907.c
…
rtc-max8925.c
rtc: max8925: remove redundant check on ret
2017-07-31 00:17:48 +02:00
rtc-max8997.c
rtc: max8997: Fix the returned value in case of error in 'max8997_rtc_read_alarm()'
2019-12-13 08:51:35 +01:00
rtc-max8998.c
rtc: maxim: Add SPDX license identifiers
2018-08-14 23:38:45 +02:00
rtc-max77686.c
rtc: max77686: Do not enforce (incorrect) interrupt trigger type
2021-07-28 11:13:44 +02:00
rtc-mc13xxx.c
headers: separate linux/mod_devicetable.h from linux/platform_device.h
2018-07-07 17:52:26 +02:00
rtc-mc146818-lib.c
rtc: cmos: Evaluate century appropriate
2022-02-08 18:23:18 +01:00
rtc-mcp795.c
rtc: remove VLA usage
2018-03-17 14:20:56 +01:00
rtc-moxart.c
…
rtc-mpc5121.c
rtc: stop validating rtc_time after rtc_time_to_tm
2018-03-01 10:49:41 +01:00
rtc-mrst.c
rtc: mrst: fix error code in probe()
2018-06-20 12:43:11 +02:00
rtc-msm6242.c
rtc: msm6242: Fix reading of 10-hour digit
2020-01-17 19:47:13 +01:00
rtc-mt6397.c
rtc: mt6397: check return value after calling platform_get_resource()
2022-06-14 16:59:32 +02:00
rtc-mt7622.c
rtc: mt7622: fix module autoloading for OF platform drivers
2018-04-03 16:40:48 +02:00
rtc-mv.c
rtc: simplify getting .drvdata
2018-05-03 22:08:00 +02:00
rtc-mxc_v2.c
rtc: mxc_v2: add missing MODULE_DEVICE_TABLE
2021-07-28 11:13:42 +02:00
rtc-mxc.c
rtc: mxc: Switch to SPDX identifier
2018-05-22 09:47:17 +02:00
rtc-nuc900.c
rtc: nuc900: stop validating rtc_time in .read_time
2018-03-02 10:12:17 +01:00
rtc-omap.c
rtc: omap: Use define directive for PIN_CONFIG_ACTIVE_HIGH
2020-04-17 10:48:51 +02:00
rtc-opal.c
rtc: opal: Fix OPAL RTC driver OPAL_BUSY loops
2018-04-25 13:24:13 +10:00
rtc-palmas.c
rtc: constify rtc_class_ops structures
2016-09-02 01:24:06 +02:00
rtc-pcap.c
rtc: simplify getting .drvdata
2018-05-03 22:08:00 +02:00
rtc-pcf2123.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-pcf2127.c
rtc: pcf2127: bugfix: read rtc disables watchdog
2020-01-27 14:51:07 +01:00
rtc-pcf8523.c
rtc: pcf8523: set xtal load capacitance from DT
2019-11-06 13:05:33 +01:00
rtc-pcf8563.c
rtc: pcf8563: Clear event flags and disable interrupts before requesting irq
2020-01-27 14:50:56 +01:00
rtc-pcf8583.c
…
rtc-pcf50633.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-pcf85063.c
rtc: pcf85063: preserve control register value between stop and start
2018-07-28 14:49:25 +02:00
rtc-pcf85363.c
rtc: pcf85363/pcf85263: fix regmap error in set_time
2019-10-07 18:57:12 +02:00
rtc-pic32.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-pl030.c
rtc: pl030: fix possible race condition
2019-11-20 18:46:18 +01:00
rtc-pl031.c
rtc: pl031: make interrupt optional
2017-10-12 16:30:30 +02:00
rtc-pm8xxx.c
rtc: pm8xxx: fix unintended sign extension
2020-01-27 14:50:20 +01:00
rtc-proc.c
rtc: fix snprintf() checking in is_rtc_hctosys()
2021-07-20 16:16:14 +02:00
rtc-ps3.c
rtc: stop validating rtc_time after rtc_time_to_tm
2018-03-01 10:49:41 +01:00
rtc-puv3.c
rtc: puv3: make alarms useful
2017-08-22 12:05:21 +02:00
rtc-pxa.c
rtc: pxa: fix null pointer dereference
2022-01-27 09:04:33 +01:00
rtc-r7301.c
headers: separate linux/mod_devicetable.h from linux/platform_device.h
2018-07-07 17:52:26 +02:00
rtc-r9701.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-rc5t583.c
…
rtc-rk808.c
rtc: rk808: fix possible race condition
2018-03-17 14:20:42 +01:00
rtc-rp5c01.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-rs5c313.c
…
rtc-rs5c348.c
rtc: rs5c348: let the core handle invalid time
2018-03-01 10:49:40 +01:00
rtc-rs5c372.c
rtc: rs5c372: remove useless indirection
2018-03-17 14:20:45 +01:00
rtc-rtd119x.c
rtc: Add Realtek RTD1295
2017-09-05 09:55:02 +02:00
rtc-rv3029c2.c
rtc: rv3029: revert error handling patch to rv3029_eeprom_write()
2020-01-27 14:51:06 +01:00
rtc-rv8803.c
rtc: rv8803: fix the rv8803 id in the OF table
2019-11-20 18:45:25 +01:00
rtc-rx4581.c
rtc: rx4581: remove useless message
2018-03-02 10:12:24 +01:00
rtc-rx6110.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-rx8010.c
rtc: rx8010: don't modify the global rtc ops
2020-11-05 11:08:54 +01:00
rtc-rx8025.c
rtc: stop validating rtc_time in .read_time
2018-03-02 10:09:58 +01:00
rtc-rx8581.c
rtc: rx8581: switch to regmap
2018-05-17 22:43:22 +02:00
rtc-s3c.c
rtc: s3c-rtc: Avoid using broken ALMYEAR register
2019-12-13 08:51:16 +01:00
rtc-s3c.h
…
rtc-s5m.c
rtc: s5m: Add SPDX license identifier
2018-08-14 23:38:47 +02:00
rtc-s35390a.c
rtc: s35390a: Change buf's type to u8 in s35390a_init
2019-12-01 09:16:52 +01:00
rtc-sa1100.c
rtc: sa1100: fix possible race condition
2020-10-01 13:14:37 +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: sprd: Add new RTC power down check method
2018-05-31 23:02:11 +02:00
rtc-sh.c
rtc: sh: Fix invalid alarm warning for non-enabled alarm
2019-05-08 07:21:46 +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 possible race condition
2019-10-07 18:57:11 +02:00
rtc-spear.c
rtc: spear: stop validating rtc_time in .set_time and .set_alarm
2018-03-02 10:12:21 +01:00
rtc-st-lpc.c
rtc: st-lpc: add range
2018-05-23 09:26:19 +02:00
rtc-starfire.c
rtc: stop validating rtc_time after rtc_time_to_tm
2018-03-01 10:49:41 +01:00
rtc-stk17ta8.c
rtc: simplify getting .drvdata
2018-05-03 22:08:00 +02:00
rtc-stm32.c
rtc: stm32: Fix unbalanced clk_disable_unprepare() on probe error path
2021-07-20 16:15:41 +02:00
rtc-stmp3xxx.c
rtc: stmp3xxx: Don't reset the rtc in .probe() when watchdog is running
2018-07-11 20:42:08 +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: Fix memleak in sun6i_rtc_clk_init
2021-01-06 14:45:01 +01:00
rtc-sunxi.c
rtc: sunxi: fix possible race condition
2018-06-04 14:36:14 +02:00
rtc-sysfs.c
rtc: sysfs: fix NULL check in rtc_add_groups()
2019-11-20 18:45:25 +01:00
rtc-tegra.c
headers: separate linux/mod_devicetable.h from linux/platform_device.h
2018-07-07 17:52:26 +02:00
rtc-test.c
rtc: test: make array pdev static
2018-07-12 20:16:10 +02:00
rtc-tps6586x.c
rtc: tps6586x: let the core handle rtc range
2018-05-17 22:54:24 +02:00
rtc-tps65910.c
rtc: tps65910: Correct driver module alias
2021-09-22 11:47:57 +02:00
rtc-tps80031.c
…
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: fixup nvmem name and register size
2019-11-20 18:47:52 +01:00
rtc-v3020.c
…
rtc-vr41xx.c
rtc: vr41xx: add range
2018-05-17 22:54:21 +02:00
rtc-vt8500.c
…
rtc-wm831x.c
rtc: stop validating rtc_time after rtc_time_to_tm
2018-03-01 10:49:41 +01:00
rtc-wm8350.c
rtc: wm8350: Handle error for wm8350_register_irq
2022-04-15 14:15:00 +02:00
rtc-x1205.c
…
rtc-xgene.c
rtc: xgene: fix possible race condition
2019-05-31 06:46:26 -07:00
rtc-zynqmp.c
rtc: simplify getting .drvdata
2018-05-03 22:08:00 +02:00
systohc.c
rtc: remove a warning during scripts/kernel-doc step
2018-03-27 10:45:05 +02:00