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-rw-r--r--fs/cifs/transport.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/cifs/transport.c b/fs/cifs/transport.c
index b8c5e2eb43d0..fbc5aace54b1 100644
--- a/fs/cifs/transport.c
+++ b/fs/cifs/transport.c
@@ -359,6 +359,10 @@ cifs_call_async(struct TCP_Server_Info *server, struct smb_hdr *in_buf,
if (rc)
return rc;
+ /* enable signing if server requires it */
+ if (server->secMode & (SECMODE_SIGN_REQUIRED | SECMODE_SIGN_ENABLED))
+ in_buf->Flags2 |= SMBFLG2_SECURITY_SIGNATURE;
+
mutex_lock(&server->srv_mutex);
mid = AllocMidQEntry(in_buf, server);
if (mid == NULL) {