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ext4: Use generic_ci_validate_strict_name helper

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Use the helper function to check the requirements for casefold
directories using strict encoding.

Suggested-by: Gabriel Krisman Bertazi <krisman@suse.de>
Signed-off-by: André Almeida <andrealmeid@igalia.com>
Link: https://lore.kernel.org/r/20241021-tonyk-tmpfs-v8-2-f443d5814194@igalia.com
Acked-by: Theodore Ts'o <tytso@mit.edu>
Reviewed-by: Gabriel Krisman Bertazi <krisman@suse.de>
Signed-off-by: Christian Brauner <brauner@kernel.org>
This commit is contained in:
André Almeida 2024-10-21 13:37:18 -03:00 committed by Christian Brauner
parent 0e152beb5a
commit 3f5ad0d21d
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1 changed files with 1 additions and 4 deletions
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5
fs/ext4/namei.c
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@ -2395,11 +2395,8 @@ static int ext4_add_entry(handle_t *handle, struct dentry *dentry,
if (fscrypt_is_nokey_name(dentry))
return -ENOKEY;
#if IS_ENABLED(CONFIG_UNICODE)
if (sb_has_strict_encoding(sb) && IS_CASEFOLDED(dir) &&
utf8_validate(sb->s_encoding, &dentry->d_name))
if (!generic_ci_validate_strict_name(dir, &dentry->d_name))
return -EINVAL;
#endif
retval = ext4_fname_setup_filename(dir, &dentry->d_name, 0, &fname);
if (retval)