1 files changed, 2 insertions, 1 deletions

diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index a315d5d22764..47c95e8ef045 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -294,7 +294,6 @@ static u32 esp4_get_mtu(struct xfrm_state *x, int mtu)
                 break;
         case XFRM_MODE_BEET:
                 /* The worst case. */
-                mtu -= IPV4_BEET_PHMAXLEN;
                 mtu += min_t(u32, IPV4_BEET_PHMAXLEN, rem);
                 break;
         }
@@ -409,6 +408,8 @@ static int esp_init_state(struct xfrm_state *x)
         x->props.header_len = sizeof(struct ip_esp_hdr) + esp->conf.ivlen;
         if (x->props.mode == XFRM_MODE_TUNNEL)
                 x->props.header_len += sizeof(struct iphdr);
+        else if (x->props.mode == XFRM_MODE_BEET)
+                x->props.header_len += IPV4_BEET_PHMAXLEN;
         if (x->encap) {
                 struct xfrm_encap_tmpl *encap = x->encap;