diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2022-07-22 16:50:32 -0700 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-07-26 14:38:51 -0700 |
| commit | 8b3c59a7a0bed6fe365755ac211dcf94fdac81b4 (patch) | |
| tree | 2bca7e181b055cafad8f87c47d68784dc8ab87e8 /net/tls/tls_device.c | |
| parent | 3f92a64e44e5823a975cbf2c9f05ab1893fd4cb7 (diff) | |
tls: rx: device: add input CoW helper
Wrap the remaining skb_cow_data() into a helper, so it's easier
to replace down the lane. The new version will change the skb
so make sure relevant pointers get reloaded after the call.
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'net/tls/tls_device.c')
| -rw-r--r-- | net/tls/tls_device.c | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/net/tls/tls_device.c b/net/tls/tls_device.c index b1fcd61836d1..fc513c1806a0 100644 --- a/net/tls/tls_device.c +++ b/net/tls/tls_device.c @@ -894,27 +894,26 @@ static void tls_device_core_ctrl_rx_resync(struct tls_context *tls_ctx, static int tls_device_reencrypt(struct sock *sk, struct tls_sw_context_rx *sw_ctx) { - int err = 0, offset, copy, nsg, data_len, pos; - struct sk_buff *skb, *skb_iter, *unused; + int err, offset, copy, data_len, pos; + struct sk_buff *skb, *skb_iter; struct scatterlist sg[1]; struct strp_msg *rxm; char *orig_buf, *buf; - skb = tls_strp_msg(sw_ctx); - rxm = strp_msg(skb); - offset = rxm->offset; - + rxm = strp_msg(tls_strp_msg(sw_ctx)); orig_buf = kmalloc(rxm->full_len + TLS_HEADER_SIZE + TLS_CIPHER_AES_GCM_128_IV_SIZE, sk->sk_allocation); if (!orig_buf) return -ENOMEM; buf = orig_buf; - nsg = skb_cow_data(skb, 0, &unused); - if (unlikely(nsg < 0)) { - err = nsg; + err = tls_strp_msg_cow(sw_ctx); + if (unlikely(err)) goto free_buf; - } + + skb = tls_strp_msg(sw_ctx); + rxm = strp_msg(skb); + offset = rxm->offset; sg_init_table(sg, 1); sg_set_buf(&sg[0], buf, |