190 ext4_xattr_check_names(struct ext4_xattr_entry *entry, void *end,  in ext4_xattr_check_names()  argument
193 	struct ext4_xattr_entry *e = entry;  in ext4_xattr_check_names()
202 	while (!IS_LAST_ENTRY(entry)) {  in ext4_xattr_check_names()
203 		if (entry->e_value_size != 0 &&  in ext4_xattr_check_names()
204 		    (value_start + le16_to_cpu(entry->e_value_offs) <  in ext4_xattr_check_names()
206 		     value_start + le16_to_cpu(entry->e_value_offs) +  in ext4_xattr_check_names()
207 		    le32_to_cpu(entry->e_value_size) > end))  in ext4_xattr_check_names()
209 		entry = EXT4_XATTR_NEXT(entry);  in ext4_xattr_check_names()
236 ext4_xattr_check_entry(struct ext4_xattr_entry *entry, size_t size)  in ext4_xattr_check_entry()  argument
238 	size_t value_size = le32_to_cpu(entry->e_value_size);  in ext4_xattr_check_entry()
240 	if (entry->e_value_block != 0 || value_size > size ||  in ext4_xattr_check_entry()
241 	    le16_to_cpu(entry->e_value_offs) + value_size > size)  in ext4_xattr_check_entry()
250 	struct ext4_xattr_entry *entry;  in ext4_xattr_find_entry()  local
257 	entry = *pentry;  in ext4_xattr_find_entry()
258 	for (; !IS_LAST_ENTRY(entry); entry = EXT4_XATTR_NEXT(entry)) {  in ext4_xattr_find_entry()
259 		cmp = name_index - entry->e_name_index;  in ext4_xattr_find_entry()
261 			cmp = name_len - entry->e_name_len;  in ext4_xattr_find_entry()
263 			cmp = memcmp(name, entry->e_name, name_len);  in ext4_xattr_find_entry()
267 	*pentry = entry;  in ext4_xattr_find_entry()
268 	if (!cmp && ext4_xattr_check_entry(entry, size))  in ext4_xattr_find_entry()
278 	struct ext4_xattr_entry *entry;  in ext4_xattr_block_get()  local
304 	entry = BFIRST(bh);  in ext4_xattr_block_get()
305 	error = ext4_xattr_find_entry(&entry, name_index, name, bh->b_size, 1);  in ext4_xattr_block_get()
310 	size = le32_to_cpu(entry->e_value_size);  in ext4_xattr_block_get()
315 		memcpy(buffer, bh->b_data + le16_to_cpu(entry->e_value_offs),  in ext4_xattr_block_get()
330 	struct ext4_xattr_entry *entry;  in ext4_xattr_ibody_get()  local
344 	entry = IFIRST(header);  in ext4_xattr_ibody_get()
346 	error = ext4_xattr_check_names(entry, end, entry);  in ext4_xattr_ibody_get()
349 	error = ext4_xattr_find_entry(&entry, name_index, name,  in ext4_xattr_ibody_get()
350 				      end - (void *)entry, 0);  in ext4_xattr_ibody_get()
353 	size = le32_to_cpu(entry->e_value_size);  in ext4_xattr_ibody_get()
359 		       le16_to_cpu(entry->e_value_offs), size);  in ext4_xattr_ibody_get()
398 ext4_xattr_list_entries(struct dentry *dentry, struct ext4_xattr_entry *entry,  in ext4_xattr_list_entries()  argument
403 	for (; !IS_LAST_ENTRY(entry); entry = EXT4_XATTR_NEXT(entry)) {  in ext4_xattr_list_entries()
405 			ext4_xattr_handler(entry->e_name_index);  in ext4_xattr_list_entries()
409 						    rest, entry->e_name,  in ext4_xattr_list_entries()
410 						    entry->e_name_len);  in ext4_xattr_list_entries()
1230 static void ext4_xattr_shift_entries(struct ext4_xattr_entry *entry,  in ext4_xattr_shift_entries()  argument
1234 	struct ext4_xattr_entry *last = entry;  in ext4_xattr_shift_entries()
1259 	struct ext4_xattr_entry *entry, *last, *first;  in ext4_expand_extra_isize_ea()  local
1278 	entry = IFIRST(header);  in ext4_expand_extra_isize_ea()
1285 	base = start = entry;  in ext4_expand_extra_isize_ea()
1288 	last = entry;  in ext4_expand_extra_isize_ea()
1293 		entry = IFIRST(header);  in ext4_expand_extra_isize_ea()
1294 		ext4_xattr_shift_entries(entry,	EXT4_I(inode)->i_extra_isize  in ext4_expand_extra_isize_ea()
1363 		entry = NULL;  in ext4_expand_extra_isize_ea()
1372 					entry = last;  in ext4_expand_extra_isize_ea()
1378 		if (entry == NULL) {  in ext4_expand_extra_isize_ea()
1380 				entry = small_entry;  in ext4_expand_extra_isize_ea()
1395 		offs = le16_to_cpu(entry->e_value_offs);  in ext4_expand_extra_isize_ea()
1396 		size = le32_to_cpu(entry->e_value_size);  in ext4_expand_extra_isize_ea()
1397 		entry_size = EXT4_XATTR_LEN(entry->e_name_len);  in ext4_expand_extra_isize_ea()
1398 		i.name_index = entry->e_name_index,  in ext4_expand_extra_isize_ea()
1400 		b_entry_name = kmalloc(entry->e_name_len + 1, GFP_NOFS);  in ext4_expand_extra_isize_ea()
1408 		memcpy(b_entry_name, entry->e_name, entry->e_name_len);  in ext4_expand_extra_isize_ea()
1409 		b_entry_name[entry->e_name_len] = '\0';  in ext4_expand_extra_isize_ea()
1425 		entry = IFIRST(header);  in ext4_expand_extra_isize_ea()
1431 		ext4_xattr_shift_entries(entry, EXT4_I(inode)->i_extra_isize -  in ext4_expand_extra_isize_ea()
1654 					 struct ext4_xattr_entry *entry)  in ext4_xattr_hash_entry()  argument
1657 	char *name = entry->e_name;  in ext4_xattr_hash_entry()
1660 	for (n = 0; n < entry->e_name_len; n++) {  in ext4_xattr_hash_entry()
1666 	if (entry->e_value_block == 0 && entry->e_value_size != 0) {  in ext4_xattr_hash_entry()
1668 			le16_to_cpu(entry->e_value_offs));  in ext4_xattr_hash_entry()
1669 		for (n = (le32_to_cpu(entry->e_value_size) +  in ext4_xattr_hash_entry()
1676 	entry->e_hash = cpu_to_le32(hash);  in ext4_xattr_hash_entry()
1690 			      struct ext4_xattr_entry *entry)  in ext4_xattr_rehash()  argument
1695 	ext4_xattr_hash_entry(header, entry);  in ext4_xattr_rehash()