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cd2722e411e8ab7e5ae41102f6925fa13dffdac5
kernel_arpi/drivers/rtc
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Ali Pouladi cd2722e411 rtc: pl031: fix rtc features null pointer dereference 
commit ea6af39f3da50c86367a71eb3cc674ade3ed244c upstream.

When there is no interrupt line, rtc alarm feature is disabled.

The clearing of the alarm feature bit was being done prior to allocations
of ldata->rtc device, resulting in a null pointer dereference.

Clear RTC_FEATURE_ALARM after the rtc device is allocated.

Fixes: d9b0dd54a1 ("rtc: pl031: use RTC_FEATURE_ALARM")
Cc: stable@vger.kernel.org
Signed-off-by: Ali Pouladi <quic_apouladi@quicinc.com>
Signed-off-by: Elliot Berman <quic_eberman@quicinc.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Link: https://lore.kernel.org/r/20220225161924.274141-1-quic_eberman@quicinc.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2022-04-08 14:22:56 +02:00
..
class.c
rtc: class: remove bogus documentation
2021-02-06 00:58:24 +01:00
dev.c
…
interface.c
rtc: rtc_update_irq_enable: rework UIE emulation
2021-04-29 23:04:13 +02:00
Kconfig
rtc: rx8010: select REGMAP_I2C
2021-09-09 10:18:40 +02:00
lib_test.c
rtc: lib_test: add MODULE_LICENSE
2021-08-10 23:21:46 +02:00
lib.c
rtc: Improve performance of rtc_time64_to_tm(). Add tests.
2021-08-10 00:09:21 +02:00
Makefile
rtc: move RTC_LIB_KUNIT_TEST to proper location
2021-08-10 23:22:20 +02:00
nvmem.c
rtc: nvmem: emit an error message when nvmem registration fails
2020-11-19 12:50:12 +01:00
proc.c
rtc: fix snprintf() checking in is_rtc_hctosys()
2021-05-25 00:36:11 +02:00
rtc-88pm80x.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-88pm860x.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ab8500.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ab-b5ze-s3.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ab-eoz9.c
rtc: ab-eoz9: make use of RTC_FEATURE_ALARM
2021-04-17 00:07:16 +02:00
rtc-abx80x.c
rtc: abx80x: Add utility function for writing configuration key
2021-02-13 23:03:26 +01:00
rtc-ac100.c
rtc: ac100: use rtc_lock/rtc_unlock
2021-01-25 23:45:37 +01:00
rtc-armada38x.c
rtc: armada38x: remove armada38x_rtc_ops_noirq
2021-01-16 23:19:26 +01:00
rtc-as3722.c
…
rtc-asm9260.c
rtc: asm9260: use rtc_lock/rtc_unlock
2021-01-25 23:46:16 +01:00
rtc-aspeed.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-at91rm9200.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-at91sam9.c
rtc: at91sam9: Remove unnecessary offset variable checks
2021-07-10 02:42:08 +02:00
rtc-au1xxx.c
rtc: au1xxx: convert to SPDX identifier
2021-07-10 01:53:39 +02:00
rtc-bd70528.c
rtc: bd70528: Drop BD70528 support
2021-06-20 22:24:52 +02:00
rtc-bq32k.c
rtc: bq32k: quiet maybe-unused variable warning
2021-02-06 00:58:24 +01:00
rtc-bq4802.c
…
rtc-brcmstb-waketimer.c
rtc: brcmstb-waketimer: quiet maybe-unused variable warning
2021-02-06 00:58:24 +01:00
rtc-cadence.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-cmos.c
rtc: cmos: take rtc_lock while reading from CMOS
2022-01-27 11:02:52 +01:00
rtc-core.h
…
rtc-cpcap.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-cros-ec.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-da9052.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-da9055.c
…
rtc-da9063.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-davinci.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-digicolor.c
rtc: digicolor: quiet maybe-unused variable warning
2021-02-06 00:58:24 +01:00
rtc-dm355evm.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1216.c
…
rtc-ds1286.c
…
rtc-ds1302.c
rtc: ds1302: Add SPI ID table
2021-11-18 19:16:58 +01:00
rtc-ds1305.c
rtc: ds1305: use rtc_lock/rtc_unlock
2021-01-25 23:46:16 +01:00
rtc-ds1307.c
rtc: ds1307: Fix wday settings for rx8130
2021-04-29 23:37:18 +02:00
rtc-ds1343.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1347.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1374.c
rtc: ds1374: convert to SPDX identifier
2021-07-10 01:53:39 +02:00
rtc-ds1390.c
rtc: ds1390: Add SPI ID table
2021-11-18 19:16:59 +01:00
rtc-ds1511.c
rtc: ds1511: remove unused function
2021-04-17 11:21:04 +02:00
rtc-ds1553.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds1672.c
rtc: ds1672: quiet maybe-unused variable warning
2021-02-06 00:58:24 +01:00
rtc-ds1685.c
rtc: ds1685: use rtc_lock/rtc_unlock
2021-01-25 23:46:17 +01:00
rtc-ds1742.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds2404.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ds3232.c
rtc: ds3232: quiet maybe-unused variable warning
2021-02-06 00:58:24 +01:00
rtc-efi.c
rtc: efi: Remove the repeated module alias
2021-05-25 00:39:58 +02:00
rtc-em3027.c
…
rtc-ep93xx.c
rtc: ep93xx: Fix NULL pointer dereference in ep93xx_rtc_read_time
2020-12-03 23:49:31 +01:00
rtc-fm3130.c
…
rtc-fsl-ftm-alarm.c
rtc: fsl-ftm-alarm: add MODULE_TABLE()
2021-04-17 11:21:04 +02:00
rtc-ftrtc010.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-generic.c
…
rtc-goldfish.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-hid-sensor-time.c
iio: hid-sensors: lighten exported symbols by moving to IIO_HID namespace
2021-06-16 14:53:13 +01:00
rtc-hym8563.c
rtc: hym8563: use rtc_lock/rtc_unlock
2021-01-25 23:46:17 +01:00
rtc-imx-sc.c
rtc: imx-sc: remove .read_alarm
2021-04-29 23:03:26 +02:00
rtc-imxdi.c
rtc: imxdi: add wakeup support
2021-05-25 00:41:25 +02:00
rtc-isl1208.c
rtc: isl1208: quiet maybe-unused variable warning
2021-02-06 00:58:24 +01:00
rtc-isl12022.c
…
rtc-isl12026.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-jz4740.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-lp8788.c
…
rtc-lpc24xx.c
rtc: remove unnecessary error message after platform_get_irq
2020-04-15 09:56:17 +02:00
rtc-lpc32xx.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-ls1x.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-m41t80.c
rtc: m41t80: correct kerneldoc function names
2021-06-20 22:19:46 +02:00
rtc-m41t93.c
…
rtc-m41t94.c
…
rtc-m48t35.c
…
rtc-m48t59.c
rtc: m48t59: use platform_get_irq_optional
2021-03-11 09:48:09 +01:00
rtc-m48t86.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-max6900.c
rtc: max6900: convert to SPDX identifier
2021-07-10 01:53:39 +02:00
rtc-max6902.c
…
rtc-max6916.c
…
rtc-max8907.c
…
rtc-max8925.c
…
rtc-max8997.c
…
rtc-max8998.c
…
rtc-max77686.c
rtc: max77686: Do not enforce (incorrect) interrupt trigger type
2021-06-20 22:22:13 +02:00
rtc-mc13xxx.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-mc146818-lib.c
rtc: mc146818-lib: fix locking in mc146818_set_time
2022-04-08 14:22:56 +02:00
rtc-mcp795.c
rtc: mcp795: Add SPI ID table
2021-11-18 19:16:59 +01:00
rtc-meson-vrtc.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-meson.c
rtc: meson: quiet maybe-unused variable warning
2021-02-06 00:58:24 +01:00
rtc-moxart.c
…
rtc-mpc5121.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-msm6242.c
…
rtc-mt2712.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-mt6397.c
rtc: mt6397: refine RTC_TC_MTH
2021-06-01 16:44:09 +01:00
rtc-mt7622.c
…
rtc-mv.c
rtc: mv: remove mv_rtc_alarm_ops
2021-01-16 23:19:26 +01:00
rtc-mxc_v2.c
rtc: mxc_v2: add missing MODULE_DEVICE_TABLE
2021-05-25 00:33:17 +02:00
rtc-mxc.c
rtc: mxc: Remove unneeded of_match_ptr()
2021-03-16 08:48:44 +01:00
rtc-ntxec.c
rtc: New driver for RTC in Netronix embedded controller
2021-03-10 11:06:33 +00:00
rtc-omap.c
rtc: omap: use rtc_write to access OMAP_RTC_OSC_REG
2021-04-29 23:37:18 +02:00
rtc-opal.c
rtc: opal: constify opal_rtc_ops
2021-01-16 23:19:26 +01:00
rtc-palmas.c
rtc: palmas: convert to SPDX identifier
2021-07-10 01:53:39 +02:00
rtc-pcap.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pcf2123.c
rtc: pcf2123: Add SPI ID table
2021-11-18 19:16:59 +01:00
rtc-pcf2127.c
rtc: pcf2127: handle timestamp interrupts
2021-07-10 02:58:31 +02:00
rtc-pcf8523.c
rtc: pcf8523: rename register and bit defines
2021-07-10 23:18:30 +02:00
rtc-pcf8563.c
rtc: pcf8563: Fix the datasheet URL
2021-06-20 23:48:35 +02:00
rtc-pcf8583.c
…
rtc-pcf50633.c
…
rtc-pcf85063.c
rtc: pcf85063: Update the PCF85063A datasheet revision
2021-07-10 01:40:49 +02:00
rtc-pcf85363.c
rtc: pcf85363: quiet maybe-unused variable warning
2021-02-06 00:58:25 +01:00
rtc-pic32.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pl030.c
amba: Make the remove callback return void
2021-02-02 14:25:50 +01:00
rtc-pl031.c
rtc: pl031: fix rtc features null pointer dereference
2022-04-08 14:22:56 +02:00
rtc-pm8xxx.c
rtc: pm8xxx: Add RTC support for PMIC PMK8350
2021-04-17 00:20:01 +02:00
rtc-ps3.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-pxa.c
rtc: pxa: fix null pointer dereference
2022-01-27 11:05:34 +01:00
rtc-r7301.c
rtc: r7301: Replace spin_lock_irqsave with spin_lock in hard IRQ
2021-02-06 00:50:47 +01:00
rtc-r9701.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rc5t583.c
…
rtc-rc5t619.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rk808.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rp5c01.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rs5c313.c
rtc: rtc-rs5c313: Convert to module_platform_driver()
2020-08-21 00:13:44 +02:00
rtc-rs5c348.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-rs5c372.c
rtc: rs5c372: quiet maybe-unused variable warning
2021-02-06 00:58:25 +01:00
rtc-rtd119x.c
rtc: rtd119x: Fix format of SPDX identifier
2021-07-10 01:53:39 +02:00
rtc-rv3028.c
rtc: rv3028: correct weekday register usage
2021-03-15 23:03:27 +01:00
rtc-rv3029c2.c
rtc: rv3029: quiet maybe-unused variable warning
2021-02-06 00:58:25 +01:00
rtc-rv3032.c
rtc: rv3032: fix error handling in rv3032_clkout_set_rate()
2021-11-18 19:17:01 +01:00
rtc-rv8803.c
rtc: rv8803: quiet maybe-unused variable warning
2021-02-06 00:58:25 +01:00
rtc-rx4581.c
…
rtc-rx6110.c
rtc: rx6110: add ACPI bindings to I2C
2021-03-23 22:23:22 +01:00
rtc-rx8010.c
rtc: rx8010: quiet maybe-unused variable warning
2021-02-06 00:58:25 +01:00
rtc-rx8025.c
rtc: rx8025: implement RX-8035 support
2021-08-17 23:48:33 +02:00
rtc-rx8581.c
rtc: rx8581: quiet maybe-unused variable warning
2021-02-06 00:58:25 +01:00
rtc-s3c.c
rtc: s3c: quiet maybe-unused variable warning
2021-02-06 00:59:16 +01:00
rtc-s3c.h
…
rtc-s5m.c
rtc: s5m: set range
2021-08-06 10:31:59 +02:00
rtc-s35390a.c
rtc: s35390a: quiet maybe-unused variable warning
2021-02-06 00:58:25 +01:00
rtc-sa1100.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sa1100.h
…
rtc-sc27xx.c
rtc: sc27xx: Fix format of SPDX identifier
2021-07-10 01:53:39 +02:00
rtc-sd3078.c
rtc: sd3078: quiet maybe-unused variable warning
2021-02-06 00:58:26 +01:00
rtc-sh.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-snvs.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-spear.c
rtc: spear: convert to SPDX identifier
2021-07-10 01:53:57 +02:00
rtc-st-lpc.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-starfire.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-stk17ta8.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-stm32.c
rtc: stm32: Fix unbalanced clk_disable_unprepare() on probe error path
2021-06-20 22:28:02 +02:00
rtc-stmp3xxx.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sun4v.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sun6i.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-sunxi.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-tegra.c
rtc: tegra: Replace spin_lock_irqsave with spin_lock in hard IRQ
2021-02-06 00:50:47 +01:00
rtc-test.c
rtc: test: remove debug message
2020-12-03 23:43:23 +01:00
rtc-tps6586x.c
rtc: tps6586x: convert to SPDX identifier
2021-07-10 01:53:40 +02:00
rtc-tps65910.c
rtc: tps65910: Correct driver module alias
2021-08-17 23:36:22 +02:00
rtc-tps80031.c
rtc: tps80031: convert to SPDX identifier
2021-07-10 01:53:39 +02:00
rtc-twl.c
…
rtc-v3020.c
rtc: v3020: remove redundant initialization of variable retval
2021-06-20 22:29:50 +02:00
rtc-vr41xx.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-vt8500.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-wilco-ec.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-wm831x.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-wm8350.c
…
rtc-x1205.c
…
rtc-xgene.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
rtc-zynqmp.c
rtc: rework rtc_register_device() resource management
2020-11-19 12:50:12 +01:00
sysfs.c
rtc: sysfs: Correct kerneldoc function name hctosys_show()
2021-06-20 22:18:05 +02:00