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authorMichal Kubecek <mkubecek@suse.cz>2011-06-18 20:34:01 +0200
committerRafael J. Wysocki <rjw@sisk.pl>2011-06-21 23:20:06 +0200
commit8440f4b19494467883f8541b7aa28c7bbf6ac92b (patch)
tree3682e034553d8b9ac676e17b144fe5b15cbb0174 /firmware/ti_5052.fw.ihex
parentf76b168b6f117a49d36307053e1acbe30580ea5b (diff)
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PM: Free memory bitmaps if opening /dev/snapshot fails
When opening /dev/snapshot device, snapshot_open() creates memory bitmaps which are freed in snapshot_release(). But if any of the callbacks called by pm_notifier_call_chain() returns NOTIFY_BAD, open() fails, snapshot_release() is never called and bitmaps are not freed. Next attempt to open /dev/snapshot then triggers BUG_ON() check in create_basic_memory_bitmaps(). This happens e.g. when vmwatchdog module is active on s390x. Signed-off-by: Michal Kubecek <mkubecek@suse.cz> Signed-off-by: Rafael J. Wysocki <rjw@sisk.pl> Cc: stable@kernel.org
Diffstat (limited to 'firmware/ti_5052.fw.ihex')
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