switch debugfs to umode_t

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
diff --git a/drivers/scsi/bfa/bfad_debugfs.c b/drivers/scsi/bfa/bfad_debugfs.c
index dee1a09..caca9b7 100644
--- a/drivers/scsi/bfa/bfad_debugfs.c
+++ b/drivers/scsi/bfa/bfad_debugfs.c
@@ -472,7 +472,7 @@
 
 struct bfad_debugfs_entry {
 	const char *name;
-	mode_t	mode;
+	umode_t	mode;
 	const struct file_operations *fops;
 };