diff options
| -rw-r--r-- | fs/hfsplus/dir.c | 2 | ||||
| -rw-r--r-- | fs/hfsplus/hfsplus_fs.h | 8 | ||||
| -rw-r--r-- | fs/hfsplus/unicode.c | 24 | ||||
| -rw-r--r-- | fs/hfsplus/xattr.c | 6 |
4 files changed, 29 insertions, 11 deletions
diff --git a/fs/hfsplus/dir.c b/fs/hfsplus/dir.c index 876bbb80fb4d..1b3e27a0d5e0 100644 --- a/fs/hfsplus/dir.c +++ b/fs/hfsplus/dir.c @@ -204,7 +204,7 @@ static int hfsplus_readdir(struct file *file, struct dir_context *ctx) fd.entrylength); type = be16_to_cpu(entry.type); len = NLS_MAX_CHARSET_SIZE * HFSPLUS_MAX_STRLEN; - err = hfsplus_uni2asc(sb, &fd.key->cat.name, strbuf, &len); + err = hfsplus_uni2asc_str(sb, &fd.key->cat.name, strbuf, &len); if (err) goto out; if (type == HFSPLUS_FOLDER) { diff --git a/fs/hfsplus/hfsplus_fs.h b/fs/hfsplus/hfsplus_fs.h index 49965cd45261..9dd18de0bc89 100644 --- a/fs/hfsplus/hfsplus_fs.h +++ b/fs/hfsplus/hfsplus_fs.h @@ -521,8 +521,12 @@ int hfsplus_strcasecmp(const struct hfsplus_unistr *s1, const struct hfsplus_unistr *s2); int hfsplus_strcmp(const struct hfsplus_unistr *s1, const struct hfsplus_unistr *s2); -int hfsplus_uni2asc(struct super_block *sb, const struct hfsplus_unistr *ustr, - char *astr, int *len_p); +int hfsplus_uni2asc_str(struct super_block *sb, + const struct hfsplus_unistr *ustr, char *astr, + int *len_p); +int hfsplus_uni2asc_xattr_str(struct super_block *sb, + const struct hfsplus_attr_unistr *ustr, + char *astr, int *len_p); int hfsplus_asc2uni(struct super_block *sb, struct hfsplus_unistr *ustr, int max_unistr_len, const char *astr, int len); int hfsplus_hash_dentry(const struct dentry *dentry, struct qstr *str); diff --git a/fs/hfsplus/unicode.c b/fs/hfsplus/unicode.c index 36b6cf2a3abb..862ba27f1628 100644 --- a/fs/hfsplus/unicode.c +++ b/fs/hfsplus/unicode.c @@ -119,9 +119,8 @@ static u16 *hfsplus_compose_lookup(u16 *p, u16 cc) return NULL; } -int hfsplus_uni2asc(struct super_block *sb, - const struct hfsplus_unistr *ustr, - char *astr, int *len_p) +static int hfsplus_uni2asc(struct super_block *sb, const struct hfsplus_unistr *ustr, + int max_len, char *astr, int *len_p) { const hfsplus_unichr *ip; struct nls_table *nls = HFSPLUS_SB(sb)->nls; @@ -134,8 +133,8 @@ int hfsplus_uni2asc(struct super_block *sb, ip = ustr->unicode; ustrlen = be16_to_cpu(ustr->length); - if (ustrlen > HFSPLUS_MAX_STRLEN) { - ustrlen = HFSPLUS_MAX_STRLEN; + if (ustrlen > max_len) { + ustrlen = max_len; pr_err("invalid length %u has been corrected to %d\n", be16_to_cpu(ustr->length), ustrlen); } @@ -256,6 +255,21 @@ out: return res; } +inline int hfsplus_uni2asc_str(struct super_block *sb, + const struct hfsplus_unistr *ustr, char *astr, + int *len_p) +{ + return hfsplus_uni2asc(sb, ustr, HFSPLUS_MAX_STRLEN, astr, len_p); +} + +inline int hfsplus_uni2asc_xattr_str(struct super_block *sb, + const struct hfsplus_attr_unistr *ustr, + char *astr, int *len_p) +{ + return hfsplus_uni2asc(sb, (const struct hfsplus_unistr *)ustr, + HFSPLUS_ATTR_MAX_STRLEN, astr, len_p); +} + /* * Convert one or more ASCII characters into a single unicode character. * Returns the number of ASCII characters corresponding to the unicode char. diff --git a/fs/hfsplus/xattr.c b/fs/hfsplus/xattr.c index 18dc3d254d21..c951fa9835aa 100644 --- a/fs/hfsplus/xattr.c +++ b/fs/hfsplus/xattr.c @@ -735,9 +735,9 @@ ssize_t hfsplus_listxattr(struct dentry *dentry, char *buffer, size_t size) goto end_listxattr; xattr_name_len = NLS_MAX_CHARSET_SIZE * HFSPLUS_ATTR_MAX_STRLEN; - if (hfsplus_uni2asc(inode->i_sb, - (const struct hfsplus_unistr *)&fd.key->attr.key_name, - strbuf, &xattr_name_len)) { + if (hfsplus_uni2asc_xattr_str(inode->i_sb, + &fd.key->attr.key_name, strbuf, + &xattr_name_len)) { pr_err("unicode conversion failed\n"); res = -EIO; goto end_listxattr; |