[NET]: Remove more unneeded typecasts on *malloc()

[mv-sheeva.git] / net / ipv4 / esp4.c

diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index e911c6dd829656f0672b4e8d33e3419820359265..73bfcae8af9c367b3d88ffdf9f8e14afa476e927 100644 (file)
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -9,6 +9,7 @@
 #include <linux/pfkeyv2.h>
 #include <linux/random.h>
 #include <net/icmp.h>
+#include <net/protocol.h>
 #include <net/udp.h>
 
 /* decapsulation data for use when post-processing */
@@ -144,7 +145,7 @@ 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 +306,13 @@ 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);