4.18-stable review patch. If anyone has any objections, please let me know. ------------------ From: Thomas Werschlein <thomas.werschlein@xxxxxxxxxx> commit 395a2076b4064f97d3fce03af15210ff2a7bb7f9 upstream. This patch is required allows access to a Microsoft fileserver failover cluster behind a 1:1 NAT firewall. The change also provides stronger context for authentication and share connection (see MS-SMB2 3.3.5.7 and MS-SRVS 3.1.6.8) as noted by Tom Talpey, and addresses comments about the buffer size for the UNC made by Aurélien Aptel. Signed-off-by: Thomas Werschlein <thomas.werschlein@xxxxxxxxxx> Signed-off-by: Steve French <stfrench@xxxxxxxxxxxxx> CC: Tom Talpey <ttalpey@xxxxxxxxxxxxx> Reviewed-by: Aurelien Aptel <aaptel@xxxxxxxx> CC: Stable <stable@xxxxxxxxxxxxxxx> Signed-off-by: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx> --- fs/cifs/connect.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) --- a/fs/cifs/connect.c +++ b/fs/cifs/connect.c @@ -2523,7 +2523,7 @@ cifs_setup_ipc(struct cifs_ses *ses, str if (tcon == NULL) return -ENOMEM; - snprintf(unc, sizeof(unc), "\\\\%s\\IPC$", ses->serverName); + snprintf(unc, sizeof(unc), "\\\\%s\\IPC$", ses->server->hostname); /* cannot fail */ nls_codepage = load_nls_default();
