diff --git a/fs/minix/minix.h b/fs/minix/minix.h index d54273c3c9ff..ce62cb61186d 100644 --- a/fs/minix/minix.h +++ b/fs/minix/minix.h @@ -168,4 +168,6 @@ static inline int minix_test_bit(int nr, const void *vaddr) #endif +#define EFSCORRUPTED EUCLEAN /* Filesystem is corrupted */ + #endif /* FS_MINIX_H */ diff --git a/fs/minix/namei.c b/fs/minix/namei.c index 8938536d8d3c..493a75eff2c9 100644 --- a/fs/minix/namei.c +++ b/fs/minix/namei.c @@ -208,6 +218,13 @@ static int minix_rename(struct mnt_idmap *idmap, if (dir_de && !minix_empty_dir(new_inode)) goto out_dir; + err = -EFSCORRUPTED; + if (new_inode->i_nlink == 0 || (dir_de && new_inode->i_nlink != 2)) { + printk(KERN_CRIT "minix-fs error: inode (ino: %ld) " + "has corrupted nlink", new_inode->i_ino); + goto out_dir; + } + err = -ENOENT; new_de = minix_find_entry(new_dentry, &new_folio); if (!new_de)