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linux/drivers/cpufreq
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Xiaobing Luo 06a40e7105 cpufreq: fix memory leak in sun50i_cpufreq_nvmem_probe 
[ Upstream commit 1aa24a8f3b ]

--------------------------------------------
unreferenced object 0xffff000010742a00 (size 128):
  comm "swapper/0", pid 1, jiffies 4294902015 (age 1187.652s)
  hex dump (first 32 bytes):
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
    00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00  ................
  backtrace:
    [<00000000b4dfebaa>] __kmalloc+0x338/0x474
    [<00000000d6e716db>] sun50i_cpufreq_nvmem_probe+0xc4/0x36c
    [<000000007d6082a0>] platform_probe+0x98/0x11c
    [<00000000c990f549>] really_probe+0x234/0x5a0
    [<000000002d9fecc6>] __driver_probe_device+0x194/0x224
    [<00000000cf0b94fa>] driver_probe_device+0x64/0x13c
    [<00000000f238e4cf>] __device_attach_driver+0xf8/0x180
    [<000000006720e418>] bus_for_each_drv+0xf8/0x160
    [<00000000df4f14f6>] __device_attach+0x174/0x29c
    [<00000000782002fb>] device_initial_probe+0x20/0x30
    [<00000000c2681b06>] bus_probe_device+0xfc/0x110
    [<00000000964cf3bd>] device_add+0x5f0/0xcd0
    [<000000004b9264e3>] platform_device_add+0x198/0x390
    [<00000000fa82a9d0>] platform_device_register_full+0x178/0x210
    [<000000009a5daf13>] sun50i_cpufreq_init+0xf8/0x168
    [<000000000377cc7c>] do_one_initcall+0xe4/0x570
--------------------------------------------

if sun50i_cpufreq_get_efuse failed, then opp_tables leak.

Fixes: f328584f7b ("cpufreq: Add sun50i nvmem based CPU scaling driver")
Signed-off-by: Xiaobing Luo <luoxiaobing0926@gmail.com>
Reviewed-by: Samuel Holland <samuel@sholland.org>
Signed-off-by: Viresh Kumar <viresh.kumar@linaro.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
2022-05-09 09:05:03 +02:00
..
acpi-cpufreq.c cpufreq: ACPI: Set cpuinfo.max_freq directly if max boost is known 2021-03-04 11:38:22 +01:00
amd_freq_sensitivity.c cpufreq: amd_freq_sensitivity: Mark sometimes used ID structs as __maybe_unused 2020-07-15 15:17:06 +02:00
armada-8k-cpufreq.c cpufreq: ap806: Add missing MODULE_DEVICE_TABLE 2020-12-30 11:53:37 +01:00
armada-37xx-cpufreq.c cpufreq: armada-37xx: forbid cpufreq for 1.2 GHz variant 2021-08-26 08:35:41 -04:00
bmips-cpufreq.c
brcmstb-avs-cpufreq.c cpufreq: brcmstb-avs-cpufreq: Fix resource leaks in ->remove() 2021-03-04 11:37:24 +01:00
cppc_cpufreq.c cpufreq: CPPC: Reuse caps variable in few routines 2020-07-30 10:57:47 +05:30
cpufreq_conservative.c cpufreq: Register governors at core_initcall 2020-07-02 13:03:30 +02:00
cpufreq_governor_attr_set.c cpufreq: schedutil: Destroy mutex before kobject_put() frees the memory 2021-10-06 15:55:46 +02:00
cpufreq_governor.c cpufreq: cpufreq_governor: Demote store_sampling_rate() header to standard comment block 2020-07-15 15:17:06 +02:00
cpufreq_governor.h cpufreq: Introduce governor flags 2020-11-10 18:31:17 +01:00
cpufreq_ondemand.c cpufreq: Register governors at core_initcall 2020-07-02 13:03:30 +02:00
cpufreq_ondemand.h
cpufreq_performance.c cpufreq: Introduce CPUFREQ_GOV_STRICT_TARGET 2020-11-10 18:31:17 +01:00
cpufreq_powersave.c cpufreq: Introduce CPUFREQ_GOV_STRICT_TARGET 2020-11-10 18:31:17 +01:00
cpufreq_stats.c cpufreq: stats: Fix string format specifier mismatch 2020-10-12 12:32:10 +02:00
cpufreq_userspace.c cpufreq: Register governors at core_initcall 2020-07-02 13:03:30 +02:00
cpufreq-dt-platdev.c cpufreq: blocklist Qualcomm sm8150 in cpufreq-dt-platdev 2021-09-03 10:09:26 +02:00
cpufreq-dt.c Merge branch 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm 2020-10-06 12:26:45 +02:00
cpufreq-dt.h
cpufreq-nforce2.c
cpufreq.c cpufreq: Fix initialization of min and max frequency QoS requests 2022-01-27 10:54:17 +01:00
davinci-cpufreq.c cpufreq: Replace HTTP links with HTTPS ones 2020-07-13 17:54:37 +02:00
e_powersaver.c cpufreq: e_powersaver: remove unreachable break 2020-10-27 18:42:54 +01:00
elanfreq.c
freq_table.c cpufreq: ACPI: Set cpuinfo.max_freq directly if max boost is known 2021-03-04 11:38:22 +01:00
gx-suspmod.c
highbank-cpufreq.c cpufreq: highbank: Add missing MODULE_DEVICE_TABLE 2020-12-30 11:53:38 +01:00
ia64-acpi-cpufreq.c
imx-cpufreq-dt.c
imx6q-cpufreq.c cpufreq: imx6q: Unconditionally call dev_pm_opp_of_remove_table() 2020-09-10 16:36:09 +05:30
intel_pstate.c cpufreq: intel_pstate: Override parameters if HWP forced by BIOS 2021-09-30 10:11:06 +02:00
Kconfig cpufreq: Avoid configuring old governors as default with intel_pstate 2020-10-27 18:45:34 +01:00
Kconfig.arm cpufreq: imx: fix NVMEM_IMX_OCOTP dependency 2020-12-30 11:53:39 +01:00
Kconfig.powerpc
Kconfig.x86 treewide: replace '---help---' in Kconfig files with 'help' 2020-06-14 01:57:21 +09:00
kirkwood-cpufreq.c
longhaul.c cpufreq: e_powersaver: remove unreachable break 2020-10-27 18:42:54 +01:00
longhaul.h
longrun.c
loongson1-cpufreq.c cpufreq: loongson1: Add missing MODULE_ALIAS 2020-12-30 11:53:38 +01:00
loongson2_cpufreq.c
Makefile Merge branch 'cpufreq/arm/linux-next' of git://git.kernel.org/pub/scm/linux/kernel/git/vireshk/pm 2020-08-04 12:44:53 +02:00
maple-cpufreq.c
mediatek-cpufreq.c cpufreq: mediatek: Add missing MODULE_DEVICE_TABLE 2020-12-30 11:53:38 +01:00
mvebu-cpufreq.c
omap-cpufreq.c OPP: refactor dev_pm_opp_of_register_em() and update related drivers 2020-06-24 17:16:42 +02:00
p4-clockmod.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
pasemi-cpufreq.c cpufreq: pasemi: Include header file for {check,restore}_astate prototypes 2020-07-15 15:17:06 +02:00
pcc-cpufreq.c cpufreq: pcc-cpufreq: Mark sometimes used ID structs as __maybe_unused 2020-07-15 15:17:06 +02:00
pmac32-cpufreq.c
pmac64-cpufreq.c
powernow-k6.c
powernow-k7.c
powernow-k7.h
powernow-k8.c cpufreq: powernow-k8: pass policy rather than use cpufreq_cpu_get() 2021-01-17 14:17:00 +01:00
powernow-k8.h
powernv-cpufreq.c cpufreq: powernv: Fix init_chip_info initialization in numa=off 2021-09-18 13:40:36 +02:00
ppc_cbe_cpufreq_pervasive.c
ppc_cbe_cpufreq_pmi.c
ppc_cbe_cpufreq.c
ppc_cbe_cpufreq.h
pxa2xx-cpufreq.c
pxa3xx-cpufreq.c
qcom-cpufreq-hw.c cpufreq: qcom-hw: Fix return value check in qcom_cpufreq_hw_cpu_init() 2021-03-17 17:06:33 +01:00
qcom-cpufreq-nvmem.c cpufreq: qcom-cpufreq-nvmem: fix reading of PVS Valid fuse 2022-04-08 14:40:24 +02:00
qoriq-cpufreq.c cpufreq: qoriq: convert to a platform driver 2020-05-07 10:47:27 +05:30
raspberrypi-cpufreq.c
s3c24xx-cpufreq-debugfs.c ARM: s3c: remove cpufreq header dependencies 2020-08-20 17:52:05 +02:00
s3c24xx-cpufreq.c cpufreq: s3c24xx: move low-level clk reg access into platform code 2020-08-20 17:53:22 +02:00
s3c64xx-cpufreq.c
s3c2410-cpufreq.c cpufreq: s3c24xx: move low-level clk reg access into platform code 2020-08-20 17:53:22 +02:00
s3c2412-cpufreq.c cpufreq: s3c24xx: move low-level clk reg access into platform code 2020-08-20 17:53:22 +02:00
s3c2416-cpufreq.c
s3c2440-cpufreq.c cpufreq: s3c24xx: move low-level clk reg access into platform code 2020-08-20 17:53:22 +02:00
s5pv210-cpufreq.c cpufreq: s5pv210: Use dev_err instead of pr_err in probe 2020-09-16 14:12:18 +05:30
sa1100-cpufreq.c
sa1110-cpufreq.c
sc520_freq.c
scmi-cpufreq.c cpufreq: scmi: Fix build for !CONFIG_COMMON_CLK 2020-11-23 10:15:56 +05:30
scpi-cpufreq.c cpufreq: scpi: Add missing MODULE_ALIAS 2020-12-30 11:53:38 +01:00
sfi-cpufreq.c
sh-cpufreq.c
sparc-us2e-cpufreq.c
sparc-us3-cpufreq.c
spear-cpufreq.c
speedstep-centrino.c
speedstep-ich.c
speedstep-lib.c cpufreq: speedstep: remove unneeded semicolon 2020-10-28 18:04:07 +01:00
speedstep-lib.h
speedstep-smi.c
sti-cpufreq.c cpufreq: st: Add missing MODULE_DEVICE_TABLE 2020-12-30 11:53:38 +01:00
sun50i-cpufreq-nvmem.c cpufreq: fix memory leak in sun50i_cpufreq_nvmem_probe 2022-05-09 09:05:03 +02:00
tango-cpufreq.c
tegra20-cpufreq.c
tegra124-cpufreq.c
tegra186-cpufreq.c cpufreq: tegra186: Fix get frequency callback 2020-11-17 10:04:21 +05:30
tegra194-cpufreq.c cpufreq: replace cpu_logical_map() with read_cpuid_mpir() 2020-08-21 20:17:01 +02:00
ti-cpufreq.c treewide: Use fallthrough pseudo-keyword 2020-08-23 17:36:59 -05:00
vexpress-spc-cpufreq.c cpufreq: vexpress-spc: Add missing MODULE_ALIAS 2020-12-30 11:53:38 +01:00