--- zzzz-none-000/linux-3.10.107/fs/jfs/jfs_superblock.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/fs/jfs/jfs_superblock.h	2021-02-04 17:41:59.000000000 +0000
@@ -108,6 +108,7 @@
 
 extern int readSuper(struct super_block *, struct buffer_head **);
 extern int updateSuper(struct super_block *, uint);
+__printf(2, 3)
 extern void jfs_error(struct super_block *, const char *, ...);
 extern int jfs_mount(struct super_block *);
 extern int jfs_mount_rw(struct super_block *, int);