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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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drbd: Output signed / unsigned netlink fields correctly
Note: All input values are still treated as signed; unsigned long long values are still broken. Signed-off-by: Philipp Reisner <philipp.reisner@linbit.com> Signed-off-by: Lars Ellenberg <lars.ellenberg@linbit.com>
This commit is contained in:
Andreas Gruenbacher
Philipp Reisner
parent
309f0b70ab
commit
509100e601
@ -78,12 +78,13 @@ static struct nla_policy s_name ## _nl_policy[] __read_mostly = \
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{ s_fields };
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#undef __field
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#define __field(attr_nr, attr_flag, name, nla_type, _type, __get, __put) \
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#define __field(attr_nr, attr_flag, name, nla_type, _type, __get, \
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__put, __is_signed) \
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[__nla_type(attr_nr)] = { .type = nla_type },
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#undef __array
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#define __array(attr_nr, attr_flag, name, nla_type, _type, maxlen, \
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__get, __put) \
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__get, __put, __is_signed) \
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[__nla_type(attr_nr)] = { .type = nla_type, \
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.len = maxlen - (nla_type == NLA_NUL_STRING) },
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@ -241,7 +242,8 @@ static int s_name ## _from_attrs_for_change(struct s_name *s, \
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}
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#undef __field
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#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put) \
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#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put, \
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__is_signed) \
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__assign(attr_nr, attr_flag, name, nla_type, type, \
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if (s) \
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s->name = __get(nla); \
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@ -249,7 +251,8 @@ static int s_name ## _from_attrs_for_change(struct s_name *s, \
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/* validate_nla() already checked nla_len <= maxlen appropriately. */
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#undef __array
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#define __array(attr_nr, attr_flag, name, nla_type, type, maxlen, __get, __put) \
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#define __array(attr_nr, attr_flag, name, nla_type, type, maxlen, \
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__get, __put, __is_signed) \
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__assign(attr_nr, attr_flag, name, nla_type, type, \
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if (s) \
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s->name ## _len = \
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@ -410,14 +413,16 @@ static inline int s_name ## _to_unpriv_skb(struct sk_buff *skb, \
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#undef __field
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#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put) \
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#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put, \
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__is_signed) \
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if (!exclude_sensitive || !((attr_flag) & GENLA_F_SENSITIVE)) { \
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DPRINT_FIELD(">>", nla_type, name, s, NULL); \
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__put(skb, attr_nr, s->name); \
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}
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#undef __array
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#define __array(attr_nr, attr_flag, name, nla_type, type, maxlen, __get, __put) \
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#define __array(attr_nr, attr_flag, name, nla_type, type, maxlen, \
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__get, __put, __is_signed) \
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if (!exclude_sensitive || !((attr_flag) & GENLA_F_SENSITIVE)) { \
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DPRINT_ARRAY(">>",nla_type, name, s, NULL); \
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__put(skb, attr_nr, min_t(int, maxlen, \
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@ -431,9 +436,11 @@ static inline int s_name ## _to_unpriv_skb(struct sk_buff *skb, \
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/* Functions for initializing structs to default values. */
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#undef __field
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#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put)
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#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put, \
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__is_signed)
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#undef __array
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#define __array(attr_nr, attr_flag, name, nla_type, type, maxlen, __get, __put)
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#define __array(attr_nr, attr_flag, name, nla_type, type, maxlen, \
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__get, __put, __is_signed)
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#undef __u32_field_def
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#define __u32_field_def(attr_nr, attr_flag, name, default) \
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x->name = default;
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@ -87,28 +87,28 @@ enum {
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/* possible field types */
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#define __flg_field(attr_nr, attr_flag, name) \
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__field(attr_nr, attr_flag, name, NLA_U8, char, \
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nla_get_u8, NLA_PUT_U8)
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nla_get_u8, NLA_PUT_U8, false)
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#define __u8_field(attr_nr, attr_flag, name) \
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__field(attr_nr, attr_flag, name, NLA_U8, unsigned char, \
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nla_get_u8, NLA_PUT_U8)
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nla_get_u8, NLA_PUT_U8, false)
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#define __u16_field(attr_nr, attr_flag, name) \
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__field(attr_nr, attr_flag, name, NLA_U16, __u16, \
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nla_get_u16, NLA_PUT_U16)
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nla_get_u16, NLA_PUT_U16, false)
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#define __u32_field(attr_nr, attr_flag, name) \
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__field(attr_nr, attr_flag, name, NLA_U32, __u32, \
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nla_get_u32, NLA_PUT_U32)
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nla_get_u32, NLA_PUT_U32, false)
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#define __s32_field(attr_nr, attr_flag, name) \
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__field(attr_nr, attr_flag, name, NLA_U32, __s32, \
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nla_get_u32, NLA_PUT_U32)
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nla_get_u32, NLA_PUT_U32, true)
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#define __u64_field(attr_nr, attr_flag, name) \
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__field(attr_nr, attr_flag, name, NLA_U64, __u64, \
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nla_get_u64, NLA_PUT_U64)
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nla_get_u64, NLA_PUT_U64, false)
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#define __str_field(attr_nr, attr_flag, name, maxlen) \
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__array(attr_nr, attr_flag, name, NLA_NUL_STRING, char, maxlen, \
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nla_strlcpy, NLA_PUT)
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nla_strlcpy, NLA_PUT, false)
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#define __bin_field(attr_nr, attr_flag, name, maxlen) \
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__array(attr_nr, attr_flag, name, NLA_BINARY, char, maxlen, \
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nla_memcpy, NLA_PUT)
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nla_memcpy, NLA_PUT, false)
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/* fields with default values */
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#define __flg_field_def(attr_nr, attr_flag, name, default) \
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@ -174,11 +174,13 @@ enum { \
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};
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#undef __field
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#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put) \
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#define __field(attr_nr, attr_flag, name, nla_type, type, \
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__get, __put, __is_signed) \
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T_ ## name = (__u16)(attr_nr | attr_flag),
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#undef __array
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#define __array(attr_nr, attr_flag, name, nla_type, type, maxlen, __get, __put) \
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#define __array(attr_nr, attr_flag, name, nla_type, type, \
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maxlen, __get, __put, __is_signed) \
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T_ ## name = (__u16)(attr_nr | attr_flag),
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#include GENL_MAGIC_INCLUDE_FILE
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@ -238,11 +240,13 @@ static inline void ct_assert_unique_ ## s_name ## _attributes(void) \
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}
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#undef __field
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#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put) \
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#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put, \
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__is_signed) \
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case attr_nr:
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#undef __array
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#define __array(attr_nr, attr_flag, name, nla_type, type, maxlen, __get, __put) \
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#define __array(attr_nr, attr_flag, name, nla_type, type, maxlen, \
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__get, __put, __is_signed) \
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case attr_nr:
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#include GENL_MAGIC_INCLUDE_FILE
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@ -260,16 +264,36 @@ static inline void ct_assert_unique_ ## s_name ## _attributes(void) \
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struct s_name { s_fields };
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#undef __field
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#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put) \
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#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put, \
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__is_signed) \
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type name;
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#undef __array
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#define __array(attr_nr, attr_flag, name, nla_type, type, maxlen, __get, __put) \
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#define __array(attr_nr, attr_flag, name, nla_type, type, maxlen, \
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__get, __put, __is_signed) \
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type name[maxlen]; \
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__u32 name ## _len;
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#include GENL_MAGIC_INCLUDE_FILE
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#undef GENL_struct
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#define GENL_struct(tag_name, tag_number, s_name, s_fields) \
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enum { \
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s_fields \
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};
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#undef __field
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#define __field(attr_nr, attr_flag, name, nla_type, type, __get, __put, \
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is_signed) \
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F_ ## name ## _IS_SIGNED = is_signed,
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#undef __array
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#define __array(attr_nr, attr_flag, name, nla_type, type, maxlen, \
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__get, __put, is_signed) \
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F_ ## name ## _IS_SIGNED = is_signed,
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#include GENL_MAGIC_INCLUDE_FILE
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/* }}}1 */
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#endif /* GENL_MAGIC_STRUCT_H */
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/* vim: set foldmethod=marker nofoldenable : */
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