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9090589d87
Convert acpi_device_lock to a mutex to avoid a potential race upon access to /proc/acpi/wakeup Delete the lock entirely in wakeup.c since it is not necessary (and can not sleep) Found-by: Linus Torvalds <torvalds@linux-foundation.org> Signed-off-by: Shaohua Li <shaohua.li@intel.com> Signed-off-by: Len Brown <len.brown@intel.com>
11 lines
324 B
C
11 lines
324 B
C
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extern u8 sleep_states[];
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extern int acpi_suspend (u32 state);
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extern void acpi_enable_wakeup_device_prep(u8 sleep_state);
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extern void acpi_enable_wakeup_device(u8 sleep_state);
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extern void acpi_disable_wakeup_device(u8 sleep_state);
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extern struct list_head acpi_wakeup_device_list;
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extern struct mutex acpi_device_lock;
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