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authorDavid S. Miller <davem@davemloft.net>2017-09-01 17:42:05 -0700
committerDavid S. Miller <davem@davemloft.net>2017-09-01 17:42:05 -0700
commit6026e043d09012c6269f9a96a808d52d9c498224 (patch)
treea80578915557db98596821ff60d2ff37dafffb4f /net/ipv6/esp6.c
parent4cc5b44b29a9de9b3f841efedaa3f769066c63cc (diff)
parent138e4ad67afd5c6c318b056b4d17c17f2c0ca5c0 (diff)
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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Three cases of simple overlapping changes. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/ipv6/esp6.c')
-rw-r--r--net/ipv6/esp6.c16
1 files changed, 9 insertions, 7 deletions
diff --git a/net/ipv6/esp6.c b/net/ipv6/esp6.c
index 7fb41b0ad437..89910e2c10f4 100644
--- a/net/ipv6/esp6.c
+++ b/net/ipv6/esp6.c
@@ -226,7 +226,7 @@ int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
int tailen = esp->tailen;
if (!skb_cloned(skb)) {
- if (tailen <= skb_availroom(skb)) {
+ if (tailen <= skb_tailroom(skb)) {
nfrags = 1;
trailer = skb;
tail = skb_tail_pointer(trailer);
@@ -260,8 +260,6 @@ int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
kunmap_atomic(vaddr);
- spin_unlock_bh(&x->lock);
-
nfrags = skb_shinfo(skb)->nr_frags;
__skb_fill_page_desc(skb, nfrags, page, pfrag->offset,
@@ -269,6 +267,9 @@ int esp6_output_head(struct xfrm_state *x, struct sk_buff *skb, struct esp_info
skb_shinfo(skb)->nr_frags = ++nfrags;
pfrag->offset = pfrag->offset + allocsize;
+
+ spin_unlock_bh(&x->lock);
+
nfrags++;
skb->len += tailen;
@@ -345,7 +346,7 @@ 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 +357,7 @@ 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 +374,7 @@ 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 +407,9 @@ 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;
}