diff options
Diffstat (limited to 'fs/hfsplus/attributes.c')
| -rw-r--r-- | fs/hfsplus/attributes.c | 36 |
1 files changed, 4 insertions, 32 deletions
diff --git a/fs/hfsplus/attributes.c b/fs/hfsplus/attributes.c index caf89a7be0a..e5b221de7de 100644 --- a/fs/hfsplus/attributes.c +++ b/fs/hfsplus/attributes.c @@ -54,14 +54,11 @@ int hfsplus_attr_build_key(struct super_block *sb, hfsplus_btree_key *key, memset(key, 0, sizeof(struct hfsplus_attr_key)); key->attr.cnid = cpu_to_be32(cnid); if (name) { - len = strlen(name); - if (len > HFSPLUS_ATTR_MAX_STRLEN) { - pr_err("invalid xattr name's length\n"); - return -EINVAL; - } - hfsplus_asc2uni(sb, + int res = hfsplus_asc2uni(sb, (struct hfsplus_unistr *)&key->attr.key_name, - HFSPLUS_ATTR_MAX_STRLEN, name, len); + HFSPLUS_ATTR_MAX_STRLEN, name, strlen(name)); + if (res) + return res; len = be16_to_cpu(key->attr.key_name.length); } else { key->attr.key_name.length = 0; @@ -82,31 +79,6 @@ int hfsplus_attr_build_key(struct super_block *sb, hfsplus_btree_key *key, return 0; } -void hfsplus_attr_build_key_uni(hfsplus_btree_key *key, - u32 cnid, - struct hfsplus_attr_unistr *name) -{ - int ustrlen; - - memset(key, 0, sizeof(struct hfsplus_attr_key)); - ustrlen = be16_to_cpu(name->length); - key->attr.cnid = cpu_to_be32(cnid); - key->attr.key_name.length = cpu_to_be16(ustrlen); - ustrlen *= 2; - memcpy(key->attr.key_name.unicode, name->unicode, ustrlen); - - /* The length of the key, as stored in key_len field, does not include - * the size of the key_len field itself. - * So, offsetof(hfsplus_attr_key, key_name) is a trick because - * it takes into consideration key_len field (__be16) of - * hfsplus_attr_key structure instead of length field (__be16) of - * hfsplus_attr_unistr structure. - */ - key->key_len = - cpu_to_be16(offsetof(struct hfsplus_attr_key, key_name) + - ustrlen); -} - hfsplus_attr_entry *hfsplus_alloc_attr_entry(void) { return kmem_cache_alloc(hfsplus_attr_tree_cachep, GFP_KERNEL); |