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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-03-18 22:40:04 +0100
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2015-03-18 22:40:04 +0100
commit71150d226564686ef32d15d29edfd18346f6e929 (patch)
treec591756e18763e1a935b52b7464e5d7b4a77d6ac /drivers/ata
parent38f6b38dbb0896511c509fbb6ceabbedbee8e87d (diff)
downloadlinux-71150d226564686ef32d15d29edfd18346f6e929.tar.bz2
PNP: Avoid leaving unregistered device objects in lists
pnp_register_protocol() and __pnp_add_device() both have a problem that if device_register() fails, the objects they create will be left in the lists they have been put one beforehand. Unfortunately, that is not handled by the callers of those routines either, so in case of a device registration errors the PNP bus type's data structures will end up in an inconsistent state. Make pnp_register_protocol() and __pnp_add_device() remove the objects from the lists if device registration fails. Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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