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tls: rx: drop unnecessary arguments from tls_setup_from_iter() 

[ Upstream commit d4bd88e676 ]

sk is unused, remove it to make it clear the function
doesn't poke at the socket.

size_used is always 0 on input and @length on success.

Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Stable-dep-of: f7fa16d498 ("tls: decrement decrypt_pending if no async completion will be called")
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Jakub Kicinski 2022-04-08 11:31:24 -07:00 committed by Greg Kroah-Hartman
parent 1abd49fa1f
commit ffc8a2b821
1 changed files with 6 additions and 8 deletions
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14
net/tls/tls_sw.c
View File

@ -1348,15 +1348,14 @@ static struct sk_buff *tls_wait_data(struct sock *sk, struct sk_psock *psock,
return skb;
}
static int tls_setup_from_iter(struct sock *sk, struct iov_iter *from,
static int tls_setup_from_iter(struct iov_iter *from,
int length, int *pages_used,
unsigned int *size_used,
struct scatterlist *to,
int to_max_pages)
{
int rc = 0, i = 0, num_elem = *pages_used, maxpages;
struct page *pages[MAX_SKB_FRAGS];
unsigned int size = *size_used;
unsigned int size = 0;
ssize_t copied, use;
size_t offset;
@ -1399,8 +1398,7 @@ static int tls_setup_from_iter(struct sock *sk, struct iov_iter *from,
sg_mark_end(&to[num_elem - 1]);
out:
if (rc)
iov_iter_revert(from, size - *size_used);
*size_used = size;
iov_iter_revert(from, size);
*pages_used = num_elem;
return rc;
@ -1519,12 +1517,12 @@ static int decrypt_internal(struct sock *sk, struct sk_buff *skb,
sg_init_table(sgout, n_sgout);
sg_set_buf(&sgout[0], aad, prot->aad_size);
*chunk = 0;
err = tls_setup_from_iter(sk, out_iov, data_len,
&pages, chunk, &sgout[1],
err = tls_setup_from_iter(out_iov, data_len,
&pages, &sgout[1],
(n_sgout - 1));
if (err < 0)
goto fallback_to_reg_recv;
*chunk = data_len;
} else if (out_sg) {
memcpy(sgout, out_sg, n_sgout * sizeof(*sgout));
} else {