提交 3583df1a 编写于 作者: X Xin Long 提交者: David S. Miller

sctp: remove the typedef sctp_datahdr_t

This patch is to remove the typedef sctp_datahdr_t, and replace with
struct sctp_datahdr in the places where it's using this typedef.

It is also to use izeof(variable) instead of sizeof(type).
Signed-off-by: NXin Long <lucien.xin@gmail.com>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 0664ed43
......@@ -227,17 +227,17 @@ enum { SCTP_PARAM_ACTION_MASK = cpu_to_be16(0xc000), };
/* RFC 2960 Section 3.3.1 Payload Data (DATA) (0) */
typedef struct sctp_datahdr {
struct sctp_datahdr {
__be32 tsn;
__be16 stream;
__be16 ssn;
__be32 ppid;
__u8 payload[0];
} sctp_datahdr_t;
};
typedef struct sctp_data_chunk {
struct sctp_chunkhdr chunk_hdr;
sctp_datahdr_t data_hdr;
struct sctp_datahdr data_hdr;
} sctp_data_chunk_t;
/* DATA Chuck Specific Flags */
......
......@@ -3010,7 +3010,8 @@ sctp_disposition_t sctp_sf_eat_data_6_2(struct net *net,
return SCTP_DISPOSITION_ABORT;
case SCTP_IERROR_PROTO_VIOLATION:
return sctp_sf_abort_violation(net, ep, asoc, chunk, commands,
(u8 *)chunk->subh.data_hdr, sizeof(sctp_datahdr_t));
(u8 *)chunk->subh.data_hdr,
sizeof(struct sctp_datahdr));
default:
BUG();
}
......@@ -3124,7 +3125,8 @@ sctp_disposition_t sctp_sf_eat_data_fast_4_4(struct net *net,
return SCTP_DISPOSITION_ABORT;
case SCTP_IERROR_PROTO_VIOLATION:
return sctp_sf_abort_violation(net, ep, asoc, chunk, commands,
(u8 *)chunk->subh.data_hdr, sizeof(sctp_datahdr_t));
(u8 *)chunk->subh.data_hdr,
sizeof(struct sctp_datahdr));
default:
BUG();
}
......@@ -6197,7 +6199,7 @@ static int sctp_eat_data(const struct sctp_association *asoc,
struct sctp_chunk *chunk,
sctp_cmd_seq_t *commands)
{
sctp_datahdr_t *data_hdr;
struct sctp_datahdr *data_hdr;
struct sctp_chunk *err;
size_t datalen;
sctp_verb_t deliver;
......@@ -6210,8 +6212,9 @@ static int sctp_eat_data(const struct sctp_association *asoc,
u16 sid;
u8 ordered = 0;
data_hdr = chunk->subh.data_hdr = (sctp_datahdr_t *)chunk->skb->data;
skb_pull(chunk->skb, sizeof(sctp_datahdr_t));
data_hdr = (struct sctp_datahdr *)chunk->skb->data;
chunk->subh.data_hdr = data_hdr;
skb_pull(chunk->skb, sizeof(*data_hdr));
tsn = ntohl(data_hdr->tsn);
pr_debug("%s: TSN 0x%x\n", __func__, tsn);
......
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