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authorSeth Forshee <seth.forshee@canonical.com>2011-11-16 17:37:45 -0600
committerMatthew Garrett <mjg@redhat.com>2011-12-05 13:07:28 -0500
commit11948b9335865dc0ba3a5ca2c9c255291a8d50fb (patch)
treee24f2c1b938d99ab6ed49fdd3ee122b074e3221e /block/genhd.c
parent8e8da023f5af71662867729db5547dc54786093c (diff)
toshiba_acpi: Fix machines that don't support HCI_SYSTEM_EVENT
The Satellite C670-10V generates notifications for hotkeys but does not support HCI_SYSTEM_EVENT. As a result when a hotkey is pressed it gets stuck in an infinite loop in toshiba_acpi_notify. To fix this, detect whether or not HCI_SYSTEM_EVENT is supported up-front and don't try to read system events if it isn't supported. In addition, limit the number of retries when reading HCI_SYSTEM_EVENT fails so that this loop cannot run unbounded. Signed-off-by: Seth Forshee <seth.forshee@canonical.com> Signed-off-by: Matthew Garrett <mjg@redhat.com>
Diffstat (limited to 'block/genhd.c')
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