tree 38460cb5479a4df4d3c09626998c0294767583b7
parent fe7d189d4a2ccbb3590b1da97a3f6a83fc2efd80
author Roy Li <rongqing.li@windriver.com> 1316545816 -0400
committer David S. Miller <davem@davemloft.net> 1316545816 -0400

ipv6: fix a possible double free

When calling snmp6_alloc_dev fails, the snmp6 relevant memory
are freed by snmp6_alloc_dev. Calling in6_dev_finish_destroy
will free these memory twice.

Double free will lead that undefined behavior occurs.

Signed-off-by: Roy Li <rongqing.li@windriver.com>
Acked-by: Eric Dumazet <eric.dumazet@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>