From: Alexander Aring aahringo@redhat.com
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=...
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[ Upstream commit feb704bd17786c8ff52a49d7759b8ee4f3a5aaac ]
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: Alexander Aring aahringo@redhat.com Signed-off-by: David Teigland teigland@redhat.com Signed-off-by: Sasha Levin sashal@kernel.org Signed-off-by: Zheng Zengkai zhengzengkai@huawei.com Acked-by: Xie XiuQi xiexiuqi@huawei.com --- fs/dlm/lowcomms.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-)
diff --git a/fs/dlm/lowcomms.c b/fs/dlm/lowcomms.c index 0c78fdfb1f6f..0a8645ed4b2d 100644 --- a/fs/dlm/lowcomms.c +++ b/fs/dlm/lowcomms.c @@ -480,8 +480,7 @@ static void lowcomms_error_report(struct sock *sk) goto out;
orig_report = listen_sock.sk_error_report; - if (con->sock == NULL || - kernel_getpeername(con->sock, (struct sockaddr *)&saddr) < 0) { + if (kernel_getpeername(sk->sk_socket, (struct sockaddr *)&saddr) < 0) { printk_ratelimited(KERN_ERR "dlm: node %d: socket error " "sending to node %d, port %d, " "sk_err=%d/%d\n", dlm_our_nodeid(),