mirror of
https://github.com/torvalds/linux
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9bde0afb7a
pcf2127_i2c_gather_write() allocates memory as local variable
for i2c_master_send(), after finishing the master transfer,
the allocated memory should be freed. The kmemleak is reported:
unreferenced object 0xffff80231e7dba80 (size 64):
comm "hwclock", pid 27762, jiffies 4296880075 (age 356.944s)
hex dump (first 32 bytes):
03 00 12 03 19 02 11 13 00 80 98 18 00 00 ff ff ................
00 50 00 00 00 00 00 00 02 00 00 00 00 00 00 00 .P..............
backtrace:
[<ffff000008221398>] create_object+0xf8/0x278
[<ffff000008a96264>] kmemleak_alloc+0x74/0xa0
[<ffff00000821070c>] __kmalloc+0x1ac/0x348
[<ffff0000087ed1dc>] pcf2127_i2c_gather_write+0x54/0xf8
[<ffff0000085fd9d4>] _regmap_raw_write+0x464/0x850
[<ffff0000085fe3f4>] regmap_bulk_write+0x1a4/0x348
[<ffff0000087ed32c>] pcf2127_rtc_set_time+0xac/0xe8
[<ffff0000087eaad8>] rtc_set_time+0x80/0x138
[<ffff0000087ebfb0>] rtc_dev_ioctl+0x398/0x610
[<ffff00000823f2c0>] do_vfs_ioctl+0xb0/0x848
[<ffff00000823fae4>] SyS_ioctl+0x8c/0xa8
[<ffff000008083ac0>] el0_svc_naked+0x34/0x38
[<ffffffffffffffff>] 0xffffffffffffffff
Signed-off-by: Xulin Sun <xulin.sun@windriver.com>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
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| .. | ||
| class.c | ||
| hctosys.c | ||
| interface.c | ||
| Kconfig | ||
| Makefile | ||
| nvmem.c | ||
| rtc-88pm80x.c | ||
| rtc-88pm860x.c | ||
| rtc-ab-b5ze-s3.c | ||
| rtc-ab3100.c | ||
| rtc-ab8500.c | ||
| rtc-abx80x.c | ||
| rtc-ac100.c | ||
| rtc-armada38x.c | ||
| rtc-as3722.c | ||
| rtc-asm9260.c | ||
| rtc-at91rm9200.c | ||
| rtc-at91rm9200.h | ||
| rtc-at91sam9.c | ||
| rtc-au1xxx.c | ||
| rtc-bq32k.c | ||
| rtc-bq4802.c | ||
| rtc-brcmstb-waketimer.c | ||
| rtc-cmos.c | ||
| rtc-coh901331.c | ||
| rtc-core.h | ||
| rtc-cpcap.c | ||
| rtc-cros-ec.c | ||
| rtc-da9052.c | ||
| rtc-da9055.c | ||
| rtc-da9063.c | ||
| rtc-davinci.c | ||
| rtc-dev.c | ||
| rtc-digicolor.c | ||
| rtc-dm355evm.c | ||
| rtc-ds1216.c | ||
| rtc-ds1286.c | ||
| rtc-ds1302.c | ||
| rtc-ds1305.c | ||
| rtc-ds1307.c | ||
| rtc-ds1343.c | ||
| rtc-ds1347.c | ||
| rtc-ds1374.c | ||
| rtc-ds1390.c | ||
| rtc-ds1511.c | ||
| rtc-ds1553.c | ||
| rtc-ds1672.c | ||
| rtc-ds1685.c | ||
| rtc-ds1742.c | ||
| rtc-ds2404.c | ||
| rtc-ds3232.c | ||
| rtc-efi-platform.c | ||
| rtc-efi.c | ||
| rtc-em3027.c | ||
| rtc-ep93xx.c | ||
| rtc-fm3130.c | ||
| rtc-ftrtc010.c | ||
| rtc-generic.c | ||
| rtc-goldfish.c | ||
| rtc-hid-sensor-time.c | ||
| rtc-hym8563.c | ||
| rtc-imxdi.c | ||
| rtc-isl1208.c | ||
| rtc-isl12022.c | ||
| rtc-isl12026.c | ||
| rtc-jz4740.c | ||
| rtc-lib.c | ||
| rtc-lp8788.c | ||
| rtc-lpc24xx.c | ||
| rtc-lpc32xx.c | ||
| rtc-ls1x.c | ||
| rtc-m41t80.c | ||
| rtc-m41t93.c | ||
| rtc-m41t94.c | ||
| rtc-m48t35.c | ||
| rtc-m48t59.c | ||
| rtc-m48t86.c | ||
| rtc-max6900.c | ||
| rtc-max6902.c | ||
| rtc-max6916.c | ||
| rtc-max8907.c | ||
| rtc-max8925.c | ||
| rtc-max8997.c | ||
| rtc-max8998.c | ||
| rtc-max77686.c | ||
| rtc-mc13xxx.c | ||
| rtc-mc146818-lib.c | ||
| rtc-mcp795.c | ||
| rtc-moxart.c | ||
| rtc-mpc5121.c | ||
| rtc-mrst.c | ||
| rtc-msm6242.c | ||
| rtc-mt6397.c | ||
| rtc-mt7622.c | ||
| rtc-mv.c | ||
| rtc-mxc.c | ||
| rtc-mxc_v2.c | ||
| rtc-nuc900.c | ||
| rtc-omap.c | ||
| rtc-opal.c | ||
| rtc-palmas.c | ||
| rtc-pcap.c | ||
| rtc-pcf2123.c | ||
| rtc-pcf2127.c | ||
| rtc-pcf8523.c | ||
| rtc-pcf8563.c | ||
| rtc-pcf8583.c | ||
| rtc-pcf50633.c | ||
| rtc-pcf85063.c | ||
| rtc-pcf85363.c | ||
| rtc-pic32.c | ||
| rtc-pl030.c | ||
| rtc-pl031.c | ||
| rtc-pm8xxx.c | ||
| rtc-proc.c | ||
| rtc-ps3.c | ||
| rtc-puv3.c | ||
| rtc-pxa.c | ||
| rtc-r7301.c | ||
| rtc-r9701.c | ||
| rtc-rc5t583.c | ||
| rtc-rk808.c | ||
| rtc-rp5c01.c | ||
| rtc-rs5c313.c | ||
| rtc-rs5c348.c | ||
| rtc-rs5c372.c | ||
| rtc-rtd119x.c | ||
| rtc-rv3029c2.c | ||
| rtc-rv8803.c | ||
| rtc-rx4581.c | ||
| rtc-rx6110.c | ||
| rtc-rx8010.c | ||
| rtc-rx8025.c | ||
| rtc-rx8581.c | ||
| rtc-s3c.c | ||
| rtc-s3c.h | ||
| rtc-s5m.c | ||
| rtc-s35390a.c | ||
| rtc-sa1100.c | ||
| rtc-sa1100.h | ||
| rtc-sc27xx.c | ||
| rtc-sh.c | ||
| rtc-sirfsoc.c | ||
| rtc-snvs.c | ||
| rtc-spear.c | ||
| rtc-st-lpc.c | ||
| rtc-starfire.c | ||
| rtc-stk17ta8.c | ||
| rtc-stm32.c | ||
| rtc-stmp3xxx.c | ||
| rtc-sun4v.c | ||
| rtc-sun6i.c | ||
| rtc-sunxi.c | ||
| rtc-sysfs.c | ||
| rtc-tegra.c | ||
| rtc-test.c | ||
| rtc-tps6586x.c | ||
| rtc-tps65910.c | ||
| rtc-tps80031.c | ||
| rtc-twl.c | ||
| rtc-tx4939.c | ||
| rtc-v3020.c | ||
| rtc-vr41xx.c | ||
| rtc-vt8500.c | ||
| rtc-wm831x.c | ||
| rtc-wm8350.c | ||
| rtc-x1205.c | ||
| rtc-xgene.c | ||
| rtc-zynqmp.c | ||
| systohc.c | ||