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commitfd8e899cdbupstream. If an error occurs in dsa_devlink_region_create(), then 'priv->regions' array will be accessed by negative index '-1'. Found by Linux Verification Center (linuxtesting.org) with SVACE. Signed-off-by: Rustam Subkhankulov <subkhankulov@ispras.ru> Fixes:bf425b8205("net: dsa: sja1105: expose static config as devlink region") Link: https://lore.kernel.org/r/20220817003845.389644-1-subkhankulov@ispras.ru Signed-off-by: Jakub Kicinski <kuba@kernel.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>