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SG: Change sg_set_page() to take length and offset argument

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Most drivers need to set length and offset as well, so may as well fold
those three lines into one.

Add sg_assign_page() for those two locations that only needed to set
the page, where the offset/length is set outside of the function context.

Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
This commit is contained in:
Jens Axboe
2007-10-24 11:20:47 +02:00
parent bd6dee6f30
commit 642f149031
31 changed files with 99 additions and 162 deletions
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8
net/sctp/sm_make_chunk.c
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@@ -1514,9 +1514,7 @@ static sctp_cookie_param_t *sctp_pack_cookie(const struct sctp_endpoint *ep,
/* Sign the message. */
sg_init_table(&sg, 1);
sg_set_page(&sg, virt_to_page(&cookie->c));
sg.offset = (unsigned long)(&cookie->c) % PAGE_SIZE;
sg.length = bodysize;
sg_set_buf(&sg, &cookie->c, bodysize);
keylen = SCTP_SECRET_SIZE;
key = (char *)ep->secret_key[ep->current_key];
desc.tfm = sctp_sk(ep->base.sk)->hmac;
@@ -1587,9 +1585,7 @@ struct sctp_association *sctp_unpack_cookie(
/* Check the signature. */
keylen = SCTP_SECRET_SIZE;
sg_init_table(&sg, 1);
sg_set_page(&sg, virt_to_page(bear_cookie));
sg.offset = (unsigned long)(bear_cookie) % PAGE_SIZE;
sg.length = bodysize;
sg_set_buf(&sg, bear_cookie, bodysize);
key = (char *)ep->secret_key[ep->current_key];
desc.tfm = sctp_sk(ep->base.sk)->hmac;
desc.flags = 0;