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sctp: Replace zero-length array with flexible-array

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There is a regular need in the kernel to provide a way to declare having a
dynamically sized set of trailing elements in a structure. Kernel code should
always use “flexible array members”[1] for these cases. The older style of
one-element or zero-length arrays should no longer be used[2].

[1] https://en.wikipedia.org/wiki/Flexible_array_member
[2] https://github.com/KSPP/linux/issues/21

Signed-off-by: Gustavo A. R. Silva <gustavoars@kernel.org>
This commit is contained in:
Gustavo A. R. Silva 2020-05-28 09:35:11 -05:00
parent 50f894d50a
commit af6bb61cc0
1 changed files with 18 additions and 18 deletions
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36
include/linux/sctp.h
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@ -221,7 +221,7 @@ struct sctp_datahdr {
__be16 stream;
__be16 ssn;
__u32 ppid;
__u8 payload[0];
__u8 payload[];
};
struct sctp_data_chunk {
@ -269,7 +269,7 @@ struct sctp_inithdr {
__be16 num_outbound_streams;
__be16 num_inbound_streams;
__be32 initial_tsn;
__u8 params[0];
__u8 params[];
};
struct sctp_init_chunk {
@ -299,13 +299,13 @@ struct sctp_cookie_preserve_param {
/* Section 3.3.2.1 Host Name Address (11) */
struct sctp_hostname_param {
struct sctp_paramhdr param_hdr;
uint8_t hostname[0];
uint8_t hostname[];
};
/* Section 3.3.2.1 Supported Address Types (12) */
struct sctp_supported_addrs_param {
struct sctp_paramhdr param_hdr;
__be16 types[0];
__be16 types[];
};
/* ADDIP Section 3.2.6 Adaptation Layer Indication */
@ -317,25 +317,25 @@ struct sctp_adaptation_ind_param {
/* ADDIP Section 4.2.7 Supported Extensions Parameter */
struct sctp_supported_ext_param {
struct sctp_paramhdr param_hdr;
__u8 chunks[0];
__u8 chunks[];
};
/* AUTH Section 3.1 Random */
struct sctp_random_param {
struct sctp_paramhdr param_hdr;
__u8 random_val[0];
__u8 random_val[];
};
/* AUTH Section 3.2 Chunk List */
struct sctp_chunks_param {
struct sctp_paramhdr param_hdr;
__u8 chunks[0];
__u8 chunks[];
};
/* AUTH Section 3.3 HMAC Algorithm */
struct sctp_hmac_algo_param {
struct sctp_paramhdr param_hdr;
__be16 hmac_ids[0];
__be16 hmac_ids[];
};
/* RFC 2960. Section 3.3.3 Initiation Acknowledgement (INIT ACK) (2):
@ -350,7 +350,7 @@ struct sctp_initack_chunk {
/* Section 3.3.3.1 State Cookie (7) */
struct sctp_cookie_param {
struct sctp_paramhdr p;
__u8 body[0];
__u8 body[];
};
/* Section 3.3.3.1 Unrecognized Parameters (8) */
@ -384,7 +384,7 @@ struct sctp_sackhdr {
__be32 a_rwnd;
__be16 num_gap_ack_blocks;
__be16 num_dup_tsns;
union sctp_sack_variable variable[0];
union sctp_sack_variable variable[];
};
struct sctp_sack_chunk {
@ -436,7 +436,7 @@ struct sctp_shutdown_chunk {
struct sctp_errhdr {
__be16 cause;
__be16 length;
__u8 variable[0];
__u8 variable[];
};
struct sctp_operr_chunk {
@ -594,7 +594,7 @@ struct sctp_fwdtsn_skip {
struct sctp_fwdtsn_hdr {
__be32 new_cum_tsn;
struct sctp_fwdtsn_skip skip[0];
struct sctp_fwdtsn_skip skip[];
};
struct sctp_fwdtsn_chunk {
@ -611,7 +611,7 @@ struct sctp_ifwdtsn_skip {
struct sctp_ifwdtsn_hdr {
__be32 new_cum_tsn;
struct sctp_ifwdtsn_skip skip[0];
struct sctp_ifwdtsn_skip skip[];
};
struct sctp_ifwdtsn_chunk {
@ -658,7 +658,7 @@ struct sctp_addip_param {
struct sctp_addiphdr {
__be32 serial;
__u8 params[0];
__u8 params[];
};
struct sctp_addip_chunk {
@ -718,7 +718,7 @@ struct sctp_addip_chunk {
struct sctp_authhdr {
__be16 shkey_id;
__be16 hmac_id;
__u8 hmac[0];
__u8 hmac[];
};
struct sctp_auth_chunk {
@ -733,7 +733,7 @@ struct sctp_infox {
struct sctp_reconf_chunk {
struct sctp_chunkhdr chunk_hdr;
__u8 params[0];
__u8 params[];
};
struct sctp_strreset_outreq {
@ -741,13 +741,13 @@ struct sctp_strreset_outreq {
__be32 request_seq;
__be32 response_seq;
__be32 send_reset_at_tsn;
__be16 list_of_streams[0];
__be16 list_of_streams[];
};
struct sctp_strreset_inreq {
struct sctp_paramhdr param_hdr;
__be32 request_seq;
__be16 list_of_streams[0];
__be16 list_of_streams[];
};
struct sctp_strreset_tsnreq {