Don't log expected error on DFS referral request

STATUS_FS_DRIVER_REQUIRED is expected when DFS is not turned
on on the server.  Do not log it on DFS referral response.
It clutters the dmesg log unnecessarily at mount time.

Signed-off-by: Steve French <smfrench@gmail.com>
Reviewed-by: Aurelien Aptel <aaptel@suse.com
Reviewed-by: Ronnie sahlberg <lsahlber@redhat.com>

diff --git a/fs/cifs/smb2maperror.c b/fs/cifs/smb2maperror.c
index 62c88dfed57b3f66fff931f4abbcc8126ca4cf11..3bfc9c99072439b8abfd3171fc9aeac2445fd66f 100644 (file)
--- a/fs/cifs/smb2maperror.c
+++ b/fs/cifs/smb2maperror.c
@@ -745,7 +745,7 @@ static const struct status_to_posix_error smb2_error_map_table[] = {
        "STATUS_NOLOGON_SERVER_TRUST_ACCOUNT"},
        {STATUS_DOMAIN_TRUST_INCONSISTENT, -EIO,
        "STATUS_DOMAIN_TRUST_INCONSISTENT"},
-       {STATUS_FS_DRIVER_REQUIRED, -EIO, "STATUS_FS_DRIVER_REQUIRED"},
+       {STATUS_FS_DRIVER_REQUIRED, -EOPNOTSUPP, "STATUS_FS_DRIVER_REQUIRED"},
        {STATUS_IMAGE_ALREADY_LOADED_AS_DLL, -EIO,
        "STATUS_IMAGE_ALREADY_LOADED_AS_DLL"},
        {STATUS_NETWORK_OPEN_RESTRICTION, -EIO,

diff --git a/fs/cifs/smb2ops.c b/fs/cifs/smb2ops.c
index dfd6fb02b7a3080fa751eaa2531e453f30ece54d..c5777783f31391828019faea41a12eea9ae16ae1 100644 (file)
--- a/fs/cifs/smb2ops.c
+++ b/fs/cifs/smb2ops.c
@@ -1412,7 +1412,7 @@ smb2_get_dfs_refer(const unsigned int xid, struct cifs_ses *ses,
        } while (rc == -EAGAIN);
 
        if (rc) {
-               if (rc != -ENOENT)
+               if ((rc != -ENOENT) && (rc != -EOPNOTSUPP))
                        cifs_dbg(VFS, "ioctl error in smb2_get_dfs_refer rc=%d\n", rc);
                goto out;
        }