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Diffstat (limited to 'net/ipv4/esp4.c')
-rw-r--r--net/ipv4/esp4.c6
1 files changed, 3 insertions, 3 deletions
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index e911c6d..1b18ce6 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -144,7 +144,7 @@ static int esp_input(struct xfrm_state *x, struct xfrm_decap_state *decap, struc
struct ip_esp_hdr *esph;
struct esp_data *esp = x->data;
struct sk_buff *trailer;
- int blksize = crypto_tfm_alg_blocksize(esp->conf.tfm);
+ int blksize = ALIGN(crypto_tfm_alg_blocksize(esp->conf.tfm), 4);
int alen = esp->auth.icv_trunc_len;
int elen = skb->len - sizeof(struct ip_esp_hdr) - esp->conf.ivlen - alen;
int nfrags;
@@ -305,13 +305,13 @@ static int esp_post_input(struct xfrm_state *x, struct xfrm_decap_state *decap,
static u32 esp4_get_max_size(struct xfrm_state *x, int mtu)
{
struct esp_data *esp = x->data;
- u32 blksize = crypto_tfm_alg_blocksize(esp->conf.tfm);
+ u32 blksize = ALIGN(crypto_tfm_alg_blocksize(esp->conf.tfm), 4);
if (x->props.mode) {
mtu = ALIGN(mtu + 2, blksize);
} else {
/* The worst case. */
- mtu += 2 + blksize;
+ mtu = ALIGN(mtu + 2, 4) + blksize - 4;
}
if (esp->conf.padlen)
mtu = ALIGN(mtu, esp->conf.padlen);
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