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| author | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-05-15 10:26:50 -0400 |
|---|---|---|
| committer | Konrad Rzeszutek Wilk <konrad.wilk@oracle.com> | 2013-05-15 10:26:50 -0400 |
| commit | 12e04ffcd93b25dfd726d46338c2ee7d23de556e (patch) | |
| tree | f91479a62805619168994fd3ee55e3ffa23fc24e /drivers/acpi/processor_thermal.c | |
| parent | 9eff37a8713939f218ab8bf0dc93f1d67af7b8b4 (diff) | |
| parent | f722406faae2d073cc1d01063d1123c35425939e (diff) | |
Merge tag 'v3.10-rc1' into stable/for-linus-3.10
Linux 3.10-rc1
* tag 'v3.10-rc1': (12273 commits)
Linux 3.10-rc1
[SCSI] qla2xxx: Update firmware link in Kconfig file.
[SCSI] iscsi class, qla4xxx: fix sess/conn refcounting when find fns are used
[SCSI] sas: unify the pointlessly separated enums sas_dev_type and sas_device_type
[SCSI] pm80xx: thermal, sas controller config and error handling update
[SCSI] pm80xx: NCQ error handling changes
[SCSI] pm80xx: WWN Modification for PM8081/88/89 controllers
[SCSI] pm80xx: Changed module name and debug messages update
[SCSI] pm80xx: Firmware flash memory free fix, with addition of new memory region for it
[SCSI] pm80xx: SPC new firmware changes for device id 0x8081 alone
[SCSI] pm80xx: Added SPCv/ve specific hardware functionalities and relevant changes in common files
[SCSI] pm80xx: MSI-X implementation for using 64 interrupts
[SCSI] pm80xx: Updated common functions common for SPC and SPCv/ve
[SCSI] pm80xx: Multiple inbound/outbound queue configuration
[SCSI] pm80xx: Added SPCv/ve specific ids, variables and modify for SPC
[SCSI] lpfc: fix up Kconfig dependencies
[SCSI] Handle MLQUEUE busy response in scsi_send_eh_cmnd
dm cache: set config value
dm cache: move config fns
dm thin: generate event when metadata threshold passed
...
Diffstat (limited to 'drivers/acpi/processor_thermal.c')
| -rw-r--r-- | drivers/acpi/processor_thermal.c | 24 |
1 files changed, 18 insertions, 6 deletions
diff --git a/drivers/acpi/processor_thermal.c b/drivers/acpi/processor_thermal.c index 641b5450a0d..e8e652710e6 100644 --- a/drivers/acpi/processor_thermal.c +++ b/drivers/acpi/processor_thermal.c @@ -218,9 +218,13 @@ processor_get_max_state(struct thermal_cooling_device *cdev, unsigned long *state) { struct acpi_device *device = cdev->devdata; - struct acpi_processor *pr = acpi_driver_data(device); + struct acpi_processor *pr; - if (!device || !pr) + if (!device) + return -EINVAL; + + pr = acpi_driver_data(device); + if (!pr) return -EINVAL; *state = acpi_processor_max_state(pr); @@ -232,9 +236,13 @@ processor_get_cur_state(struct thermal_cooling_device *cdev, unsigned long *cur_state) { struct acpi_device *device = cdev->devdata; - struct acpi_processor *pr = acpi_driver_data(device); + struct acpi_processor *pr; - if (!device || !pr) + if (!device) + return -EINVAL; + + pr = acpi_driver_data(device); + if (!pr) return -EINVAL; *cur_state = cpufreq_get_cur_state(pr->id); @@ -248,11 +256,15 @@ processor_set_cur_state(struct thermal_cooling_device *cdev, unsigned long state) { struct acpi_device *device = cdev->devdata; - struct acpi_processor *pr = acpi_driver_data(device); + struct acpi_processor *pr; int result = 0; int max_pstate; - if (!device || !pr) + if (!device) + return -EINVAL; + + pr = acpi_driver_data(device); + if (!pr) return -EINVAL; max_pstate = cpufreq_get_max_state(pr->id); |