diff options
Diffstat (limited to 'fs/ext4/hash.c')
| -rw-r--r-- | fs/ext4/hash.c | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/fs/ext4/hash.c b/fs/ext4/hash.c index f34f4176c1e7..48483cd015d3 100644 --- a/fs/ext4/hash.c +++ b/fs/ext4/hash.c @@ -268,7 +268,7 @@ static int __ext4fs_dirhash(const struct inode *dir, const char *name, int len, combined_hash = fscrypt_fname_siphash(dir, &qname); } else { ext4_warning_inode(dir, "Siphash requires key"); - return -1; + return -EINVAL; } hash = (__u32)(combined_hash >> 32); @@ -277,7 +277,11 @@ static int __ext4fs_dirhash(const struct inode *dir, const char *name, int len, } default: hinfo->hash = 0; - return -1; + hinfo->minor_hash = 0; + ext4_warning(dir->i_sb, + "invalid/unsupported hash tree version %u", + hinfo->hash_version); + return -EINVAL; } hash = hash & ~1; if (hash == (EXT4_HTREE_EOF_32BIT << 1)) @@ -290,15 +294,15 @@ static int __ext4fs_dirhash(const struct inode *dir, const char *name, int len, int ext4fs_dirhash(const struct inode *dir, const char *name, int len, struct dx_hash_info *hinfo) { -#ifdef CONFIG_UNICODE +#if IS_ENABLED(CONFIG_UNICODE) const struct unicode_map *um = dir->i_sb->s_encoding; int r, dlen; unsigned char *buff; struct qstr qstr = {.name = name, .len = len }; - if (len && IS_CASEFOLDED(dir) && um && + if (len && IS_CASEFOLDED(dir) && (!IS_ENCRYPTED(dir) || fscrypt_has_encryption_key(dir))) { - buff = kzalloc(sizeof(char) * PATH_MAX, GFP_KERNEL); + buff = kzalloc(PATH_MAX, GFP_KERNEL); if (!buff) return -ENOMEM; |