[PATCH 4.15 085/122] l2tp: fix races with tunnel socket close

4.15-stable review patch. If anyone has any objections, please let me know. -- From: James Chapman [ Upstream commit d00fa9adc528c1b0e64d532556764852df8bd7b9 ] The tunnel socket tunnel->sock (struct sock) is accessed when preparing a new ppp session on

[PATCH 4.15 085/122] l2tp: fix races with tunnel socket close

4.15-stable review patch. If anyone has any objections, please let me know. -- From: James Chapman [ Upstream commit d00fa9adc528c1b0e64d532556764852df8bd7b9 ] The tunnel socket tunnel->sock (struct sock) is accessed when preparing a new ppp session on a tunnel at