stable inclusion
from stable-v5.10.94
commit 98923ebb034b8c405c5e9e216834021fe72d7875
bugzilla: https://gitee.com/openeuler/kernel/issues/I531X9

Reference: https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?id=98923ebb034b8c405c5e9e216834021fe72d7875

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[ Upstream commit feb704bd ]

Instead of dereference "con->sock" we can get the socket structure over
"sk->sk_socket" as well. This patch will switch to this behaviour.
Signed-off-by: NAlexander Aring <aahringo@redhat.com>
Signed-off-by: NDavid Teigland <teigland@redhat.com>
Signed-off-by: NSasha Levin <sashal@kernel.org>
Signed-off-by: NZheng Zengkai <zhengzengkai@huawei.com>
Acked-by: NXie XiuQi <xiexiuqi@huawei.com>