tree 001cae76042df01ea712e198b62a533a0a6886a5
parent c56d8a7362665d165ba992b6b7a8d6c13a26eafc
author Jonghwan Choi <jhbird.choi@samsung.com> 1326506763 +0900
committer Greg Kroah-Hartman <gregkh@suse.de> 1327449559 -0800

driver-core: Fix possible null reference in subsys_interface_unregister

Check if the sif is not NULL before de-referencing it

Signed-off-by: Jonghwan Choi <jhbird.choi@samsung.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>