Commit 6a96ba54418be740303765c0f52be028573cb99a

Authored by Al Viro
1 parent fe2d35ff0d

kill __lookup_one_len()

only one caller left

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

Showing 1 changed file with 15 additions and 26 deletions Side-by-side Diff

... ... @@ -1759,28 +1759,6 @@
1759 1759 return __lookup_hash(&nd->last, nd->path.dentry, nd);
1760 1760 }
1761 1761  
1762   -static int __lookup_one_len(const char *name, struct qstr *this,
1763   - struct dentry *base, int len)
1764   -{
1765   - unsigned long hash;
1766   - unsigned int c;
1767   -
1768   - this->name = name;
1769   - this->len = len;
1770   - if (!len)
1771   - return -EACCES;
1772   -
1773   - hash = init_name_hash();
1774   - while (len--) {
1775   - c = *(const unsigned char *)name++;
1776   - if (c == '/' || c == '\0')
1777   - return -EACCES;
1778   - hash = partial_name_hash(c, hash);
1779   - }
1780   - this->hash = end_name_hash(hash);
1781   - return 0;
1782   -}
1783   -
1784 1762 /**
1785 1763 * lookup_one_len - filesystem helper to lookup single pathname component
1786 1764 * @name: pathname component to lookup
1787 1765  
1788 1766  
... ... @@ -1794,14 +1772,25 @@
1794 1772 */
1795 1773 struct dentry *lookup_one_len(const char *name, struct dentry *base, int len)
1796 1774 {
1797   - int err;
1798 1775 struct qstr this;
  1776 + unsigned long hash;
  1777 + unsigned int c;
1799 1778  
1800 1779 WARN_ON_ONCE(!mutex_is_locked(&base->d_inode->i_mutex));
1801 1780  
1802   - err = __lookup_one_len(name, &this, base, len);
1803   - if (err)
1804   - return ERR_PTR(err);
  1781 + this.name = name;
  1782 + this.len = len;
  1783 + if (!len)
  1784 + return ERR_PTR(-EACCES);
  1785 +
  1786 + hash = init_name_hash();
  1787 + while (len--) {
  1788 + c = *(const unsigned char *)name++;
  1789 + if (c == '/' || c == '\0')
  1790 + return ERR_PTR(-EACCES);
  1791 + hash = partial_name_hash(c, hash);
  1792 + }
  1793 + this.hash = end_name_hash(hash);
1805 1794  
1806 1795 return __lookup_hash(&this, base, NULL);
1807 1796 }