change system file

hc

2024-10-09 244b2c5ca8b14627e4a17755e5922221e121c771

 kernel/fs/ext4/hash.c
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@@ -233,6 +233,7 @@
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 		break;
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 	case DX_HASH_HALF_MD4_UNSIGNED:
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 		str2hashbuf = str2hashbuf_unsigned;
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+		fallthrough;
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 	case DX_HASH_HALF_MD4:
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 		p = name;
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 		while (len > 0) {
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@@ -246,6 +247,7 @@
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 		break;
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 	case DX_HASH_TEA_UNSIGNED:
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 		str2hashbuf = str2hashbuf_unsigned;
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+		fallthrough;
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 	case DX_HASH_TEA:
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 		p = name;
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 		while (len > 0) {
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@@ -294,7 +296,8 @@
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 	unsigned char *buff;
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 	struct qstr qstr = {.name = name, .len = len };
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-	if (len && needs_casefold(dir) && um) {
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+	if (len && IS_CASEFOLDED(dir) && um &&
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+	    (!IS_ENCRYPTED(dir) || fscrypt_has_encryption_key(dir))) {
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 		buff = kzalloc(sizeof(char) * PATH_MAX, GFP_KERNEL);
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 		if (!buff)
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 			return -ENOMEM;