From: Shirish Pargaonkar <[email protected]>

This happens in for-next branch.

sign enable and sign required bits are different in smb and smb2
negprot response so a mount with sec=xi option fails for smb2.

Signed-off-by: Shirish Pargaonkar <[email protected]>
---
 fs/cifs/cifssmb.c | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/fs/cifs/cifssmb.c b/fs/cifs/cifssmb.c
index a35aad2..46f2ec1 100644
--- a/fs/cifs/cifssmb.c
+++ b/fs/cifs/cifssmb.c
@@ -407,8 +407,10 @@ decode_ext_sec_blob(struct cifs_ses *ses, NEGOTIATE_RSP 
*pSMBr)
 int
 cifs_enable_signing(struct TCP_Server_Info *server, bool mnt_sign_required)
 {
-       bool srv_sign_required = server->sec_mode & SECMODE_SIGN_REQUIRED;
-       bool srv_sign_enabled = server->sec_mode & SECMODE_SIGN_ENABLED;
+       bool srv_sign_required = server->sec_mode & SECMODE_SIGN_REQUIRED ||
+               server->sec_mode & SMB2_NEGOTIATE_SIGNING_REQUIRED;
+       bool srv_sign_enabled = server->sec_mode & SECMODE_SIGN_ENABLED ||
+               server->sec_mode & SMB2_NEGOTIATE_SIGNING_ENABLED;
        bool mnt_sign_enabled = global_secflags & CIFSSEC_MAY_SIGN;
 
        /*
-- 
1.7.12.4

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