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Diffstat (limited to 'net')
-rw-r--r--net/ipv4/esp4.c13
-rw-r--r--net/ipv4/esp4_offload.c2
-rw-r--r--net/ipv6/esp6.c9
-rw-r--r--net/ipv6/esp6_offload.c2
-rw-r--r--net/xfrm/xfrm_policy.c6
-rw-r--r--net/xfrm/xfrm_state.c8
6 files changed, 29 insertions, 11 deletions
diff --git a/net/ipv4/esp4.c b/net/ipv4/esp4.c
index 0cbee0a666ff..dbb31a942dfa 100644
--- a/net/ipv4/esp4.c
+++ b/net/ipv4/esp4.c
@@ -381,7 +381,7 @@ int esp_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *
(unsigned char *)esph - skb->data,
assoclen + ivlen + esp->clen + alen);
if (unlikely(err < 0))
- goto error;
+ goto error_free;
if (!esp->inplace) {
int allocsize;
@@ -392,7 +392,7 @@ int esp_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *
spin_lock_bh(&x->lock);
if (unlikely(!skb_page_frag_refill(allocsize, pfrag, GFP_ATOMIC))) {
spin_unlock_bh(&x->lock);
- goto error;
+ goto error_free;
}
skb_shinfo(skb)->nr_frags = 1;
@@ -409,7 +409,7 @@ int esp_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *
(unsigned char *)esph - skb->data,
assoclen + ivlen + esp->clen + alen);
if (unlikely(err < 0))
- goto error;
+ goto error_free;
}
if ((x->props.flags & XFRM_STATE_ESN))
@@ -442,8 +442,9 @@ int esp_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info *
if (sg != dsg)
esp_ssg_unref(x, tmp);
- kfree(tmp);
+error_free:
+ kfree(tmp);
error:
return err;
}
@@ -695,8 +696,10 @@ skip_cow:
sg_init_table(sg, nfrags);
err = skb_to_sgvec(skb, sg, 0, skb->len);
- if (unlikely(err < 0))
+ if (unlikely(err < 0)) {
+ kfree(tmp);
goto out;
+ }
skb->ip_summed = CHECKSUM_NONE;
diff --git a/net/ipv4/esp4_offload.c b/net/ipv4/esp4_offload.c
index e0666016a764..50112324fa5c 100644
--- a/net/ipv4/esp4_offload.c
+++ b/net/ipv4/esp4_offload.c
@@ -257,7 +257,7 @@ static int esp_xmit(struct xfrm_state *x, struct sk_buff *skb, netdev_features_
esp.seqno = cpu_to_be64(xo->seq.low + ((u64)xo->seq.hi << 32));
err = esp_output_tail(x, skb, &esp);
- if (err < 0)
+ if (err)
return err;
secpath_reset(skb);
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 9ed35473dcb5..392def1fcf21 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -345,7 +345,7 @@ int esp6_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
(unsigned char *)esph - skb->data,
assoclen + ivlen + esp->clen + alen);
if (unlikely(err < 0))
- goto error;
+ goto error_free;
if (!esp->inplace) {
int allocsize;
@@ -356,7 +356,7 @@ int esp6_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
spin_lock_bh(&x->lock);
if (unlikely(!skb_page_frag_refill(allocsize, pfrag, GFP_ATOMIC))) {
spin_unlock_bh(&x->lock);
- goto error;
+ goto error_free;
}
skb_shinfo(skb)->nr_frags = 1;
@@ -373,7 +373,7 @@ int esp6_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
(unsigned char *)esph - skb->data,
assoclen + ivlen + esp->clen + alen);
if (unlikely(err < 0))
- goto error;
+ goto error_free;
}
if ((x->props.flags & XFRM_STATE_ESN))
@@ -406,8 +406,9 @@ int esp6_output_tail(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
if (sg != dsg)
esp_ssg_unref(x, tmp);
- kfree(tmp);
+error_free:
+ kfree(tmp);
error:
return err;
}
diff --git a/net/ipv6/esp6_offload.c b/net/ipv6/esp6_offload.c
index f02f131f6435..1cf437f75b0b 100644
--- a/net/ipv6/esp6_offload.c
+++ b/net/ipv6/esp6_offload.c
@@ -286,7 +286,7 @@ static int esp6_xmit(struct xfrm_state *x, struct sk_buff *skb, netdev_features
esp.seqno = cpu_to_be64(xo->seq.low + ((u64)xo->seq.hi << 32));
err = esp6_output_tail(x, skb, &esp);
- if (err < 0)
+ if (err)
return err;
secpath_reset(skb);
diff --git a/net/xfrm/xfrm_policy.c b/net/xfrm/xfrm_policy.c
index ff61d8557929..6f5a0dad502f 100644
--- a/net/xfrm/xfrm_policy.c
+++ b/net/xfrm/xfrm_policy.c
@@ -3308,9 +3308,15 @@ int xfrm_migrate(const struct xfrm_selector *sel, u8 dir, u8 type,
struct xfrm_state *x_new[XFRM_MAX_DEPTH];
struct xfrm_migrate *mp;
+ /* Stage 0 - sanity checks */
if ((err = xfrm_migrate_check(m, num_migrate)) < 0)
goto out;
+ if (dir >= XFRM_POLICY_MAX) {
+ err = -EINVAL;
+ goto out;
+ }
+
/* Stage 1 - find policy */
if ((pol = xfrm_migrate_policy_find(sel, dir, type, net)) == NULL) {
err = -ENOENT;
diff --git a/net/xfrm/xfrm_state.c b/net/xfrm/xfrm_state.c
index 6c0956d10db6..a792effdb0b5 100644
--- a/net/xfrm/xfrm_state.c
+++ b/net/xfrm/xfrm_state.c
@@ -1620,6 +1620,7 @@ int
xfrm_tmpl_sort(struct xfrm_tmpl **dst, struct xfrm_tmpl **src, int n,
unsigned short family, struct net *net)
{
+ int i;
int err = 0;
struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family);
if (!afinfo)
@@ -1628,6 +1629,9 @@ xfrm_tmpl_sort(struct xfrm_tmpl **dst, struct xfrm_tmpl **src, int n,
spin_lock_bh(&net->xfrm.xfrm_state_lock); /*FIXME*/
if (afinfo->tmpl_sort)
err = afinfo->tmpl_sort(dst, src, n);
+ else
+ for (i = 0; i < n; i++)
+ dst[i] = src[i];
spin_unlock_bh(&net->xfrm.xfrm_state_lock);
rcu_read_unlock();
return err;
@@ -1638,6 +1642,7 @@ int
xfrm_state_sort(struct xfrm_state **dst, struct xfrm_state **src, int n,
unsigned short family)
{
+ int i;
int err = 0;
struct xfrm_state_afinfo *afinfo = xfrm_state_get_afinfo(family);
struct net *net = xs_net(*src);
@@ -1648,6 +1653,9 @@ xfrm_state_sort(struct xfrm_state **dst, struct xfrm_state **src, int n,
spin_lock_bh(&net->xfrm.xfrm_state_lock);
if (afinfo->state_sort)
err = afinfo->state_sort(dst, src, n);
+ else
+ for (i = 0; i < n; i++)
+ dst[i] = src[i];
spin_unlock_bh(&net->xfrm.xfrm_state_lock);
rcu_read_unlock();
return err;