[NET]: Fix uninitialised variable in ip_frag_reasm()

Fix uninitialised variable in ip_frag_reasm().  err should be set to
-ENOMEM if the initial call of skb_clone() fails.

Signed-off-by: David Howells <dhowells@redhat.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

1 files changed, 1 insertions, 2 deletions

diff --git a/net/ipv4/ip_fragment.c b/net/ipv4/ip_fragment.c
index 453ae041edde..2143bf30597a 100644
--- a/net/ipv4/ip_fragment.c
+++ b/net/ipv4/ip_fragment.c
@@ -486,7 +486,6 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev,
         if (prev) {
                 head = prev->next;
                 fp = skb_clone(head, GFP_ATOMIC);
-
                 if (!fp)
                         goto out_nomem;
 
@@ -512,7 +511,6 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev,
                 goto out_oversize;
 
         /* Head of list must not be cloned. */
-        err = -ENOMEM;
         if (skb_cloned(head) && pskb_expand_head(head, 0, 0, GFP_ATOMIC))
                 goto out_nomem;
 
@@ -568,6 +566,7 @@ static int ip_frag_reasm(struct ipq *qp, struct sk_buff *prev,
 out_nomem:
         LIMIT_NETDEBUG(KERN_ERR "IP: queue_glue: no memory for gluing "
                               "queue %p\n", qp);
+        err = -ENOMEM;
         goto out_fail;
 out_oversize:
         if (net_ratelimit())