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linux/drivers/cpufreq
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Aaron Plattner fefa8ff810 cpufreq: unlock when failing cpufreq_update_policy() 
Commit bd0fa9bb455d introduced a failure path to cpufreq_update_policy() if
cpufreq_driver->get(cpu) returns NULL.  However, it jumps to the 'no_policy'
label, which exits without unlocking any of the locks the function acquired
earlier.  This causes later calls into cpufreq to hang.

Fix this by creating a new 'unlock' label and jumping to that instead.

Fixes: bd0fa9bb455d ("cpufreq: Return error if ->get() failed in cpufreq_update_policy()")
Link: https://devtalk.nvidia.com/default/topic/751903/kernel-3-15-and-nv-drivers-337-340-failed-to-initialize-the-nvidia-kernel-module-gtx-550-ti-/
Signed-off-by: Aaron Plattner <aplattner@nvidia.com>
Cc: 3.15+ <stable@vger.kernel.org> # 3.15+
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
2014-06-18 21:52:20 +02:00
..
acpi-cpufreq.c
cpufreq: Use cpufreq_for_each_* macros for frequency table iteration
2014-04-30 00:06:21 +02:00
amd_freq_sensitivity.c
cpufreq: AMD "frequency sensitivity feedback" powersave bias for ondemand governor
2013-04-10 13:19:26 +02:00
arm_big_little_dt.c
PM / OPP: rename header to linux/pm_opp.h
2013-10-25 22:33:23 +02:00
arm_big_little.c
cpufreq: Use cpufreq_for_each_* macros for frequency table iteration
2014-04-30 00:06:21 +02:00
arm_big_little.h
cpufreq: arm_big_little: add in-kernel switching (IKS) support
2013-10-31 00:10:53 +01:00
at32ap-cpufreq.c
cpufreq: at32ap: don't declare local variable as static
2014-04-07 14:31:33 +02:00
blackfin-cpufreq.c
cpufreq: Remove cpufreq_generic_exit()
2014-03-12 01:06:00 +01:00
cpufreq_conservative.c
cpufreq: conservative: set requested_freq to policy max when it is over policy max
2013-11-12 23:18:20 +01:00
cpufreq_governor.c
cpufreq: governor: remove copy_prev_load from 'struct cpu_dbs_common_info'
2014-06-09 12:58:21 +02:00
cpufreq_governor.h
cpufreq: governor: remove copy_prev_load from 'struct cpu_dbs_common_info'
2014-06-09 12:58:21 +02:00
cpufreq_ondemand.c
cpufreq: ondemand: Remove redundant return statement
2013-11-01 00:44:34 +01:00
cpufreq_opp.c
PM / OPP: Move cpufreq specific OPP functions out of generic OPP library
2014-05-07 00:39:03 +02:00
cpufreq_performance.c
cpufreq: Clean up header files included in the core
2013-08-07 23:34:09 +02:00
cpufreq_powersave.c
cpufreq: Clean up header files included in the core
2013-08-07 23:34:09 +02:00
cpufreq_stats.c
cpufreq: Use cpufreq_for_each_* macros for frequency table iteration
2014-04-30 00:06:21 +02:00
cpufreq_userspace.c
cpufreq / governor: Remove fossil comment
2013-10-17 23:00:20 +02:00
cpufreq-cpu0.c
cpufreq: Mark CPU0 driver with CPUFREQ_NEED_INITIAL_FREQ_CHECK flag
2014-06-09 22:55:48 +02:00
cpufreq-nforce2.c
cpufreq: nforce2: remove DEFINE_PCI_DEVICE_TABLE macro
2014-05-17 01:16:15 +02:00
cpufreq.c
cpufreq: unlock when failing cpufreq_update_policy()
2014-06-18 21:52:20 +02:00
cris-artpec3-cpufreq.c
cpufreq: create another field .flags in cpufreq_frequency_table
2014-04-07 14:43:50 +02:00
cris-etraxfs-cpufreq.c
cpufreq: create another field .flags in cpufreq_frequency_table
2014-04-07 14:43:50 +02:00
davinci-cpufreq.c
cpufreq: Remove cpufreq_generic_exit()
2014-03-12 01:06:00 +01:00
dbx500-cpufreq.c
cpufreq: Use cpufreq_for_each_* macros for frequency table iteration
2014-04-30 00:06:21 +02:00
e_powersaver.c
cpufreq: add 'freq_table' in struct cpufreq_policy
2014-03-12 01:06:00 +01:00
elanfreq.c
cpufreq: Use cpufreq_for_each_* macros for frequency table iteration
2014-04-30 00:06:21 +02:00
exynos4x12-cpufreq.c
cpufreq: exynos: Fix driver compilation with ARCH_MULTIPLATFORM
2014-05-31 03:00:25 +09:00
exynos4210-cpufreq.c
cpufreq: exynos: Fix driver compilation with ARCH_MULTIPLATFORM
2014-05-31 03:00:25 +09:00
exynos5250-cpufreq.c
cpufreq: exynos: Fix driver compilation with ARCH_MULTIPLATFORM
2014-05-31 03:00:25 +09:00
exynos5440-cpufreq.c
cpufreq: Use cpufreq_for_each_* macros for frequency table iteration
2014-04-30 00:06:21 +02:00
exynos-cpufreq.c
ACPI and power management updates for 3.16-rc1
2014-06-04 08:57:16 -07:00
exynos-cpufreq.h
ACPI and power management updates for 3.16-rc1
2014-06-04 08:57:16 -07:00
freq_table.c
cpufreq: Break out early when frequency equals target_freq
2014-05-20 14:02:09 +02:00
gx-suspmod.c
cpufreq: Convert existing drivers to use cpufreq_freq_transition_{begin|end}
2014-03-26 16:41:41 +01:00
highbank-cpufreq.c
cpufreq: highbank-cpufreq: Enable Midway/ECX-2000
2013-10-17 00:53:08 +02:00
ia64-acpi-cpufreq.c
cpufreq: use kzalloc() to allocate memory for cpufreq_frequency_table
2014-04-07 14:43:49 +02:00
imx6q-cpufreq.c
cpufreq: imx6q: Remove unused include
2014-05-17 01:34:42 +02:00
integrator-cpufreq.c
cpufreq: Convert existing drivers to use cpufreq_freq_transition_{begin|end}
2014-03-26 16:41:41 +01:00
intel_pstate.c
intel_pstate: Correct rounding in busy calculation
2014-06-17 22:57:40 +02:00
Kconfig
cpufreq: cpufreq-cpu0: fix CPU_THERMAL dependency
2014-06-16 22:33:38 +02:00
Kconfig.arm
Merge branch 'pm-cpufreq'
2014-06-12 13:43:02 +02:00
Kconfig.powerpc
cpufreq: powernv: cpufreq driver for powernv platform
2014-04-07 14:35:27 +02:00
Kconfig.x86
cpufreq: Kconfig: Fix spelling errors
2014-05-01 01:18:19 +02:00
kirkwood-cpufreq.c
cpufreq: create another field .flags in cpufreq_frequency_table
2014-04-07 14:43:50 +02:00
longhaul.c
Merge branch 'cpufreq-macros' into pm-cpufreq
2014-05-01 00:50:47 +02:00
longhaul.h
cpufreq: delete __cpuinit usage from all cpufreq files
2013-07-14 19:36:57 -04:00
longrun.c
cpufreq: add new routine cpufreq_verify_within_cpu_limits()
2013-10-16 00:50:23 +02:00
loongson2_cpufreq.c
MIPS/loongson2_cpufreq: Fix CPU clock rate setting
2014-05-13 00:29:41 +02:00
Makefile
PM / OPP: Move cpufreq specific OPP functions out of generic OPP library
2014-05-07 00:39:03 +02:00
maple-cpufreq.c
cpufreq: create another field .flags in cpufreq_frequency_table
2014-04-07 14:43:50 +02:00
omap-cpufreq.c
cpufreq: add 'freq_table' in struct cpufreq_policy
2014-03-12 01:06:00 +01:00
p4-clockmod.c
cpufreq: create another field .flags in cpufreq_frequency_table
2014-04-07 14:43:50 +02:00
pasemi-cpufreq.c
cpufreq: Use cpufreq_for_each_* macros for frequency table iteration
2014-04-30 00:06:21 +02:00
pcc-cpufreq.c
cpufreq: Convert existing drivers to use cpufreq_freq_transition_{begin|end}
2014-03-26 16:41:41 +01:00
pmac32-cpufreq.c
cpufreq: create another field .flags in cpufreq_frequency_table
2014-04-07 14:43:50 +02:00
pmac64-cpufreq.c
cpufreq: create another field .flags in cpufreq_frequency_table
2014-04-07 14:43:50 +02:00
powernow-k6.c
Merge branch 'cpufreq-macros' into pm-cpufreq
2014-05-01 00:50:47 +02:00
powernow-k7.c
cpufreq: powernow-k7: Fix double invocation of cpufreq_freq_transition_begin/end
2014-04-29 01:22:54 +02:00
powernow-k7.h
[CPUFREQ] Move x86 drivers to drivers/cpufreq/
2011-05-19 18:51:07 -04:00
powernow-k8.c
cpufreq: powernow-k8: Suppress checkpatch warnings
2014-05-17 01:27:01 +02:00
powernow-k8.h
cpufreq: powernow-k8: Suppress checkpatch warnings
2014-05-17 01:27:01 +02:00
powernv-cpufreq.c
cpufreq: powernv: make local function static
2014-05-17 01:25:46 +02:00
ppc_cbe_cpufreq_pervasive.c
cpufreq: powerpc/platforms/cell: move cpufreq driver to drivers/cpufreq
2013-04-10 13:19:26 +02:00
ppc_cbe_cpufreq_pmi.c
cpufreq: powerpc/platforms/cell: move cpufreq driver to drivers/cpufreq
2013-04-10 13:19:26 +02:00
ppc_cbe_cpufreq.c
cpufreq: Use cpufreq_for_each_* macros for frequency table iteration
2014-04-30 00:06:21 +02:00
ppc_cbe_cpufreq.h
cpufreq: powerpc/platforms/cell: move cpufreq driver to drivers/cpufreq
2013-04-10 13:19:26 +02:00
ppc-corenet-cpufreq.c
cpufreq: ppc-corenet-cpu-freq: do_div use quotient
2014-06-06 22:50:43 +02:00
pxa2xx-cpufreq.c
cpufreq: Remove cpufreq_generic_exit()
2014-03-12 01:06:00 +01:00
pxa3xx-cpufreq.c
cpufreq: Remove cpufreq_generic_exit()
2014-03-12 01:06:00 +01:00
s3c24xx-cpufreq-debugfs.c
cpufreq: s3c24xx: move cpufreq driver to drivers/cpufreq
2013-05-20 23:04:28 +09:00
s3c24xx-cpufreq.c
ARM: S3C24XX: cpufreq-utils: don't write raw values to MPLLCON when using ccf
2014-05-09 05:48:44 +09:00
s3c64xx-cpufreq.c
cpufreq: Use cpufreq_for_each_* macros for frequency table iteration
2014-04-30 00:06:21 +02:00
s3c2410-cpufreq.c
cpufreq: s3c24xx: move cpufreq driver to drivers/cpufreq
2013-05-20 23:04:28 +09:00
s3c2412-cpufreq.c
cpufreq: s3c24xx: move cpufreq driver to drivers/cpufreq
2013-05-20 23:04:28 +09:00
s3c2416-cpufreq.c
cpufreq: Use cpufreq_for_each_* macros for frequency table iteration
2014-04-30 00:06:21 +02:00
s3c2440-cpufreq.c
cpufreq: s3c2440: Staticize local variables
2014-01-06 01:18:33 +01:00
s5pv210-cpufreq.c
cpufreq: s5pv210: drop check for CONFIG_PM_VERBOSE
2014-05-27 01:06:44 +02:00
sa1100-cpufreq.c
cpufreq: Mark ARM drivers with CPUFREQ_NEED_INITIAL_FREQ_CHECK flag
2014-01-06 14:17:25 +01:00
sa1110-cpufreq.c
cpufreq: Mark ARM drivers with CPUFREQ_NEED_INITIAL_FREQ_CHECK flag
2014-01-06 14:17:25 +01:00
sc520_freq.c
cpufreq: create another field .flags in cpufreq_frequency_table
2014-04-07 14:43:50 +02:00
sh-cpufreq.c
cpufreq: Convert existing drivers to use cpufreq_freq_transition_{begin|end}
2014-03-26 16:41:41 +01:00
sparc-us2e-cpufreq.c
cpufreq: add 'freq_table' in struct cpufreq_policy
2014-03-12 01:06:00 +01:00
sparc-us3-cpufreq.c
cpufreq: add 'freq_table' in struct cpufreq_policy
2014-03-12 01:06:00 +01:00
spear-cpufreq.c
cpufreq: use kzalloc() to allocate memory for cpufreq_frequency_table
2014-04-07 14:43:49 +02:00
speedstep-centrino.c
cpufreq: Make linux-pm@vger.kernel.org official mailing list
2014-05-01 01:15:32 +02:00
speedstep-ich.c
cpufreq: create another field .flags in cpufreq_frequency_table
2014-04-07 14:43:50 +02:00
speedstep-lib.c
cpufreq: Add support for x86 cpuinfo auto loading v4
2012-01-26 16:49:06 -08:00
speedstep-lib.h
[CPUFREQ] Move x86 drivers to drivers/cpufreq/
2011-05-19 18:51:07 -04:00
speedstep-smi.c
cpufreq: create another field .flags in cpufreq_frequency_table
2014-04-07 14:43:50 +02:00
tegra-cpufreq.c
cpufreq: tegra: update comment for clarity
2014-06-10 22:50:50 +02:00
unicore2-cpufreq.c
cpufreq: unicore32: replace IS_ERR and PTR_ERR with PTR_ERR_OR_ZERO
2014-04-21 23:42:27 +02:00
vexpress-spc-cpufreq.c
cpufreq: arm_big_little: add vexpress SPC interface driver
2013-10-30 00:48:26 +01:00