Adds username in the upcall key for unattended mounts with keytab

Signed-off-by: Igor Mammedov <niallain@gmail.com>
Signed-off-by: Steve French <sfrench@us.ibm.com>
diff --git a/fs/cifs/cifs_spnego.c b/fs/cifs/cifs_spnego.c
index 6653e29..7013aaf 100644
--- a/fs/cifs/cifs_spnego.c
+++ b/fs/cifs/cifs_spnego.c
@@ -119,6 +119,9 @@
 	dp = description + strlen(description);
 	sprintf(dp, ";uid=0x%x", sesInfo->linux_uid);
 
+	dp = description + strlen(description);
+	sprintf(dp, ";user=%s", sesInfo->userName);
+
 	cFYI(1, ("key description = %s", description));
 	spnego_key = request_key(&cifs_spnego_key_type, description, "");