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authorRafael J. Wysocki2014-02-04 00:42:46 +0100
committerRafael J. Wysocki2014-02-05 17:41:16 +0100
commit7c2e17714e190b2ef857e7e842464fb47ceca146 (patch)
tree9de5bdbe9ffd639ccb645e4126bd64f1f355d50a /drivers/video/backlight/adp8870_bl.c
parentd3a1ebb063cc45d5f4a5655534b87c3547fd9bbf (diff)
ACPICA: Introduce acpi_get_data_full() and rework acpi_get_data()
Introduce a new function, acpi_get_data_full(), working in analogy with acpi_get_data() except that it can execute a callback provided as its 4th argument right after acpi_ns_get_attached_data() has returned a success. That will allow Linux to reference count the object pointed to by *data before the namespace mutex is released so as to ensure that it will not be freed going forward until the reference to it acquired by acpi_get_data_full() is dropped. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com> Tested-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Diffstat (limited to 'drivers/video/backlight/adp8870_bl.c')
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