[PATCH 3.19.y-ckt 016/164] net: avoid NULL deref in inet_ctl_sock_destroy()

3.19.8-ckt11 -stable review patch. If anyone has any objections, please let me know. -- From: Eric Dumazet [ Upstream commit 8fa677d2706d325d71dab91bf6e6512c05214e37 ] Under low memory conditions, tcp_sk_init() and icmp_sk_init() can both iterate on all possible cpus and

[PATCH 3.19.y-ckt 016/164] net: avoid NULL deref in inet_ctl_sock_destroy()

3.19.8-ckt11 -stable review patch. If anyone has any objections, please let me know. -- From: Eric Dumazet [ Upstream commit 8fa677d2706d325d71dab91bf6e6512c05214e37 ] Under low memory conditions, tcp_sk_init() and icmp_sk_init() can both iterate on all