diff options
Diffstat (limited to 'fs/ext4')
| -rw-r--r-- | fs/ext4/dir.c | 7 | ||||
| -rw-r--r-- | fs/ext4/hash.c | 2 | ||||
| -rw-r--r-- | fs/ext4/inode.c | 3 | ||||
| -rw-r--r-- | fs/ext4/namei.c | 4 |
4 files changed, 10 insertions, 6 deletions
diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c index 86054f31fe4d..9fdd2b269d61 100644 --- a/fs/ext4/dir.c +++ b/fs/ext4/dir.c @@ -668,14 +668,15 @@ static int ext4_d_compare(const struct dentry *dentry, unsigned int len, const char *str, const struct qstr *name) { struct qstr qstr = {.name = str, .len = len }; + struct inode *inode = dentry->d_parent->d_inode; - if (!IS_CASEFOLDED(dentry->d_parent->d_inode)) { + if (!IS_CASEFOLDED(inode) || !EXT4_SB(inode->i_sb)->s_encoding) { if (len != name->len) return -1; return memcmp(str, name->name, len); } - return ext4_ci_compare(dentry->d_parent->d_inode, name, &qstr, false); + return ext4_ci_compare(inode, name, &qstr, false); } static int ext4_d_hash(const struct dentry *dentry, struct qstr *str) @@ -685,7 +686,7 @@ static int ext4_d_hash(const struct dentry *dentry, struct qstr *str) unsigned char *norm; int len, ret = 0; - if (!IS_CASEFOLDED(dentry->d_inode)) + if (!IS_CASEFOLDED(dentry->d_inode) || !um) return 0; norm = kmalloc(PATH_MAX, GFP_ATOMIC); diff --git a/fs/ext4/hash.c b/fs/ext4/hash.c index d358bfcb6b3f..3e133793a5a3 100644 --- a/fs/ext4/hash.c +++ b/fs/ext4/hash.c @@ -280,7 +280,7 @@ int ext4fs_dirhash(const struct inode *dir, const char *name, int len, unsigned char *buff; struct qstr qstr = {.name = name, .len = len }; - if (len && IS_CASEFOLDED(dir)) { + if (len && IS_CASEFOLDED(dir) && um) { buff = kzalloc(sizeof(char) * PATH_MAX, GFP_KERNEL); if (!buff) return -ENOMEM; diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c index e567f0229d4e..4e271b509af1 100644 --- a/fs/ext4/inode.c +++ b/fs/ext4/inode.c @@ -5067,6 +5067,9 @@ struct inode *__ext4_iget(struct super_block *sb, unsigned long ino, "iget: bogus i_mode (%o)", inode->i_mode); goto bad_inode; } + if (IS_CASEFOLDED(inode) && !ext4_has_feature_casefold(inode->i_sb)) + ext4_error_inode(inode, function, line, 0, + "casefold flag without casefold feature"); brelse(iloc.bh); unlock_new_inode(inode); diff --git a/fs/ext4/namei.c b/fs/ext4/namei.c index 129029534075..a427d2031a8d 100644 --- a/fs/ext4/namei.c +++ b/fs/ext4/namei.c @@ -1312,7 +1312,7 @@ void ext4_fname_setup_ci_filename(struct inode *dir, const struct qstr *iname, { int len; - if (!IS_CASEFOLDED(dir)) { + if (!IS_CASEFOLDED(dir) || !EXT4_SB(dir->i_sb)->s_encoding) { cf_name->name = NULL; return; } @@ -2183,7 +2183,7 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry, #ifdef CONFIG_UNICODE if (ext4_has_strict_mode(sbi) && IS_CASEFOLDED(dir) && - utf8_validate(sbi->s_encoding, &dentry->d_name)) + sbi->s_encoding && utf8_validate(sbi->s_encoding, &dentry->d_name)) return -EINVAL; #endif |