CIFS: SMBD: Disable signing on SMB direct transport
Currently the CIFS SMB Direct implementation (experimental) doesn't properly
support signing. Disable it when SMB Direct is in use for transport.
Signing will be enabled in future after it is implemented.
Signed-off-by: Long Li <longli@microsoft.com>
Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: Ronnie Sahlberg <lsahlber@redhat.com>
diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 1677401..0efd22e 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1968,6 +1968,14 @@ cifs_parse_mount_options(const char *mountdata, const char *devname,
goto cifs_parse_mount_err;
}
+#ifdef CONFIG_CIFS_SMB_DIRECT
+ if (vol->rdma && vol->sign) {
+ cifs_dbg(VFS, "Currently SMB direct doesn't support signing."
+ " This is being fixed\n");
+ goto cifs_parse_mount_err;
+ }
+#endif
+
#ifndef CONFIG_KEYS
/* Muliuser mounts require CONFIG_KEYS support */
if (vol->multiuser) {