The patch below does not apply to the 4.14-stable tree. If someone wants it applied there, or to any other stable or longterm tree, then please email the backport, including the original git commit id to stable@vger.kernel.org.
thanks,
greg k-h
------------------ original commit in Linus's tree ------------------
From af3a6d1018f02c6dc8388f1f3785a559c7ab5961 Mon Sep 17 00:00:00 2001 From: Paulo Alcantara pc@cjr.nz Date: Fri, 24 Jun 2022 15:01:43 -0300 Subject: [PATCH] cifs: update cifs_ses::ip_addr after failover
cifs_ses::ip_addr wasn't being updated in cifs_session_setup() when reconnecting SMB sessions thus returning wrong value in /proc/fs/cifs/DebugData.
Signed-off-by: Paulo Alcantara (SUSE) pc@cjr.nz Cc: stable@kernel.org Signed-off-by: Steve French stfrench@microsoft.com
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c index 8d56325915d0..fa29c9aae24b 100644 --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -4025,10 +4025,16 @@ cifs_setup_session(const unsigned int xid, struct cifs_ses *ses, struct nls_table *nls_info) { int rc = -ENOSYS; + struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)&server->dstaddr; + struct sockaddr_in *addr = (struct sockaddr_in *)&server->dstaddr; bool is_binding = false;
- spin_lock(&cifs_tcp_ses_lock); + if (server->dstaddr.ss_family == AF_INET6) + scnprintf(ses->ip_addr, sizeof(ses->ip_addr), "%pI6", &addr6->sin6_addr); + else + scnprintf(ses->ip_addr, sizeof(ses->ip_addr), "%pI4", &addr->sin_addr); + if (ses->ses_status != SES_GOOD && ses->ses_status != SES_NEW && ses->ses_status != SES_NEED_RECON) {