diff options
Diffstat (limited to 'net/ipv6/esp6.c')
| -rw-r--r-- | net/ipv6/esp6.c | 9 |
1 files changed, 1 insertions, 8 deletions
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c index d3618a78fcac..0073cd096984 100644 --- a/net/ipv6/esp6.c +++ b/net/ipv6/esp6.c @@ -181,8 +181,6 @@ static int esp6_output(struct xfrm_state *x, struct sk_buff *skb) } blksize = ALIGN(crypto_aead_blocksize(aead), 4); clen = ALIGN(skb->len + 2 + tfclen, blksize); - if (esp->padlen) - clen = ALIGN(clen, esp->padlen); plen = clen - skb->len - tfclen; err = skb_cow_data(skb, tfclen + plen + alen, &trailer); @@ -416,7 +414,6 @@ static u32 esp6_get_mtu(struct xfrm_state *x, int mtu) { struct esp_data *esp = x->data; u32 blksize = ALIGN(crypto_aead_blocksize(esp->aead), 4); - u32 align = max_t(u32, blksize, esp->padlen); unsigned int net_adj; if (x->props.mode != XFRM_MODE_TUNNEL) @@ -425,7 +422,7 @@ static u32 esp6_get_mtu(struct xfrm_state *x, int mtu) net_adj = 0; return ((mtu - x->props.header_len - crypto_aead_authsize(esp->aead) - - net_adj) & ~(align - 1)) + net_adj - 2; + net_adj) & ~(blksize - 1)) + net_adj - 2; } static void esp6_err(struct sk_buff *skb, struct inet6_skb_parm *opt, @@ -606,8 +603,6 @@ static int esp6_init_state(struct xfrm_state *x) aead = esp->aead; - esp->padlen = 0; - x->props.header_len = sizeof(struct ip_esp_hdr) + crypto_aead_ivsize(aead); switch (x->props.mode) { @@ -626,8 +621,6 @@ static int esp6_init_state(struct xfrm_state *x) } align = ALIGN(crypto_aead_blocksize(aead), 4); - if (esp->padlen) - align = max_t(u32, align, esp->padlen); x->props.trailer_len = align + 1 + crypto_aead_authsize(esp->aead); error: |