Merge branch 'irq-cleanups-upstream' of git://git.kernel.org/pub/scm/linux/kernel...

[linux-2.6-omap-h63xx.git] / net / ipv4 / ipcomp.c

diff --git a/net/ipv4/ipcomp.c b/net/ipv4/ipcomp.c
index f4af99ad8fdb6015de40393d52b5bde5bd6c42c7..a75807b971b3e1b452d6b272ab3b8077afebd4d1 100644 (file)
--- a/net/ipv4/ipcomp.c
+++ b/net/ipv4/ipcomp.c
@@ -14,7 +14,6 @@
  *   - Adaptive compression.
  */
 #include <linux/module.h>
-#include <asm/semaphore.h>
 #include <linux/crypto.h>
 #include <linux/err.h>
 #include <linux/pfkeyv2.h>
@@ -74,6 +73,7 @@ out:
 
 static int ipcomp_input(struct xfrm_state *x, struct sk_buff *skb)
 {
+       int nexthdr;
        int err = -ENOMEM;
        struct ip_comp_hdr *ipch;
 
@@ -84,13 +84,15 @@ static int ipcomp_input(struct xfrm_state *x, struct sk_buff *skb)
 
        /* Remove ipcomp header and decompress original payload */
        ipch = (void *)skb->data;
+       nexthdr = ipch->nexthdr;
+
        skb->transport_header = skb->network_header + sizeof(*ipch);
        __skb_pull(skb, sizeof(*ipch));
        err = ipcomp_decompress(x, skb);
        if (err)
                goto out;
 
-       err = ipch->nexthdr;
+       err = nexthdr;
 
 out:
        return err;
@@ -105,8 +107,11 @@ static int ipcomp_compress(struct xfrm_state *x, struct sk_buff *skb)
        const int cpu = get_cpu();
        u8 *scratch = *per_cpu_ptr(ipcomp_scratches, cpu);
        struct crypto_comp *tfm = *per_cpu_ptr(ipcd->tfms, cpu);
-       int err = crypto_comp_compress(tfm, start, plen, scratch, &dlen);
+       int err;
 
+       local_bh_disable();
+       err = crypto_comp_compress(tfm, start, plen, scratch, &dlen);
+       local_bh_enable();
        if (err)
                goto out;
 
@@ -173,7 +178,7 @@ static void ipcomp4_err(struct sk_buff *skb, u32 info)
                              spi, IPPROTO_COMP, AF_INET);
        if (!x)
                return;
-       NETDEBUG(KERN_DEBUG "pmtu discovery on SA IPCOMP/%08x/%u.%u.%u.%u\n",
+       NETDEBUG(KERN_DEBUG "pmtu discovery on SA IPCOMP/%08x/" NIPQUAD_FMT "\n",
                 spi, NIPQUAD(iph->daddr));
        xfrm_state_put(x);
 }
@@ -434,7 +439,7 @@ error:
        goto out;
 }
 
-static struct xfrm_type ipcomp_type = {
+static const struct xfrm_type ipcomp_type = {
        .description    = "IPCOMP4",
        .owner          = THIS_MODULE,
        .proto          = IPPROTO_COMP,