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authorAlex Chiang <achiang@hp.com>2010-02-01 10:35:18 -0700
committerLen Brown <len.brown@intel.com>2010-02-16 03:54:28 -0500
commit49c6fb2e41d41c4c0c5c753b6960bc81fe658d20 (patch)
tree02a197126bd98b2443de5b84a081ba22190e9eb4 /drivers/hwmon/ltc4245.c
parent724e6d3fe8003c3f60bf404bf22e4e331327c596 (diff)
ACPI: dock: properly initialize local struct dock_station in dock_add()
Commit fe06fba2 (ACPI: dock: add struct dock_station * directly to platform device data) changed dock_add() to use the platform_device_register_data() API. We passed that interface a stack variable, which is kmemdup'ed and assigned to the device's platform_data pointer. Unfortunately, whatever random garbage is in the stack variable gets coped during the kmemdup, and that leads to broken behavior. Explicitly zero out the structure before passing it to the API. This fixes the T41 docking button issue: http://bugzilla.kernel.org/show_bug.cgi?id=15000 Cc: stable@kernel.org Reported-by: Chris Mason <chris.mason@oracle.com> Signed-off-by: Alex Chiang <achiang@hp.com> Signed-off-by: Len Brown <len.brown@intel.com>
Diffstat (limited to 'drivers/hwmon/ltc4245.c')
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