cifs: set MAY_SIGN when sec=krb5

Setting this secFlg allows usage of dfs where some servers require
signing and others don't.

Signed-off-by: Martijn de Gouw <martijn.de.gouw@prodrive.nl>
Signed-off-by: Jeff Layton <jlayton@redhat.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/fs/cifs/connect.c b/fs/cifs/connect.c
index 4474a57f30ab..54125e04fd0c 100644
--- a/fs/cifs/connect.c
+++ b/fs/cifs/connect.c
@@ -1031,7 +1031,7 @@ static int cifs_parse_security_flavors(char *value,
 
         switch (match_token(value, cifs_secflavor_tokens, args)) {
         case Opt_sec_krb5:
-                vol->secFlg |= CIFSSEC_MAY_KRB5;
+                vol->secFlg |= CIFSSEC_MAY_KRB5 | CIFSSEC_MAY_SIGN;
                 break;
         case Opt_sec_krb5i:
                 vol->secFlg |= CIFSSEC_MAY_KRB5 | CIFSSEC_MUST_SIGN;