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| author | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-28 04:22:04 +0300 |
|---|---|---|
| committer | Al Viro <viro@zeniv.linux.org.uk> | 2016-05-30 02:07:07 +0300 |
| commit | e0d508f1092db9a56cc6ed617f473a2704f7f683 (patch) | |
| tree | 4456bbb2b853731a92dd61d8b1328082fa67ab3a | |
| parent | 6f3fc1070be028170b0f4c0c326480c9fcd1da3e (diff) | |
| download | linux-e0d508f1092db9a56cc6ed617f473a2704f7f683.tar.xz | |
ufs: get rid of redundant checks
ufs_check_page() makes sure there's no entries with zero ->reclen
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
| -rw-r--r-- | fs/ufs/dir.c | 17 |
1 files changed, 1 insertions, 16 deletions
diff --git a/fs/ufs/dir.c b/fs/ufs/dir.c index 57dcceda17d6..fa3bda1a860f 100644 --- a/fs/ufs/dir.c +++ b/fs/ufs/dir.c @@ -279,12 +279,6 @@ struct ufs_dir_entry *ufs_find_entry(struct inode *dir, const struct qstr *qstr, de = (struct ufs_dir_entry *) kaddr; kaddr += ufs_last_byte(dir, n) - reclen; while ((char *) de <= kaddr) { - if (de->d_reclen == 0) { - ufs_error(dir->i_sb, __func__, - "zero-length directory entry"); - ufs_put_page(page); - goto out; - } if (ufs_match(sb, namelen, name, de)) goto found; de = ufs_next_entry(sb, de); @@ -414,11 +408,8 @@ ufs_validate_entry(struct super_block *sb, char *base, { struct ufs_dir_entry *de = (struct ufs_dir_entry*)(base + offset); struct ufs_dir_entry *p = (struct ufs_dir_entry*)(base + (offset&mask)); - while ((char*)p < (char*)de) { - if (p->d_reclen == 0) - break; + while ((char*)p < (char*)de) p = ufs_next_entry(sb, p); - } return (char *)p - base; } @@ -469,12 +460,6 @@ ufs_readdir(struct file *file, struct dir_context *ctx) de = (struct ufs_dir_entry *)(kaddr+offset); limit = kaddr + ufs_last_byte(inode, n) - UFS_DIR_REC_LEN(1); for ( ;(char*)de <= limit; de = ufs_next_entry(sb, de)) { - if (de->d_reclen == 0) { - ufs_error(sb, __func__, - "zero-length directory entry"); - ufs_put_page(page); - return -EIO; - } if (de->d_ino) { unsigned char d_type = DT_UNKNOWN; |