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authorJohn Fastabend <john.r.fastabend@intel.com>2009-09-25 13:12:03 +0000
committerDavid S. Miller <davem@davemloft.net>2009-09-26 20:16:15 -0700
commit7eaf5077b37bb33dbd44e569ff88566d6fe286e9 (patch)
tree71029b598e5236463cf2a979926d9a98783e2558 /net/dcb
parent5dba93aedfc6906b27791c4a1136b177beae25b7 (diff)
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net: fix double skb free in dcbnl
netlink_unicast() calls kfree_skb even in the error case. dcbnl calls netlink_unicast() which when it fails free's the skb and returns an error value. dcbnl is free'ing the skb again when this error occurs. This patch removes the double free. Signed-off-by: John Fastabend <john.r.fastabend@intel.com> Signed-off-by: Jeff Kirsher <jeffrey.t.kirsher@intel.com> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/dcb')
-rw-r--r--net/dcb/dcbnl.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index e0879bfb7dd..ac1205df6c8 100644
--- a/net/dcb/dcbnl.c
+++ b/net/dcb/dcbnl.c
@@ -194,7 +194,7 @@ static int dcbnl_reply(u8 value, u8 event, u8 cmd, u8 attr, u32 pid,
nlmsg_end(dcbnl_skb, nlh);
ret = rtnl_unicast(dcbnl_skb, &init_net, pid);
if (ret)
- goto err;
+ return -EINVAL;
return 0;
nlmsg_failure:
@@ -275,7 +275,7 @@ static int dcbnl_getpfccfg(struct net_device *netdev, struct nlattr **tb,
ret = rtnl_unicast(dcbnl_skb, &init_net, pid);
if (ret)
- goto err;
+ goto err_out;
return 0;
nlmsg_failure:
@@ -316,12 +316,11 @@ static int dcbnl_getperm_hwaddr(struct net_device *netdev, struct nlattr **tb,
ret = rtnl_unicast(dcbnl_skb, &init_net, pid);
if (ret)
- goto err;
+ goto err_out;
return 0;
nlmsg_failure:
-err:
kfree_skb(dcbnl_skb);
err_out:
return -EINVAL;
@@ -383,7 +382,7 @@ static int dcbnl_getcap(struct net_device *netdev, struct nlattr **tb,
ret = rtnl_unicast(dcbnl_skb, &init_net, pid);
if (ret)
- goto err;
+ goto err_out;
return 0;
nlmsg_failure:
@@ -460,7 +459,7 @@ static int dcbnl_getnumtcs(struct net_device *netdev, struct nlattr **tb,
ret = rtnl_unicast(dcbnl_skb, &init_net, pid);
if (ret) {
ret = -EINVAL;
- goto err;
+ goto err_out;
}
return 0;
@@ -799,7 +798,7 @@ static int __dcbnl_pg_getcfg(struct net_device *netdev, struct nlattr **tb,
ret = rtnl_unicast(dcbnl_skb, &init_net, pid);
if (ret)
- goto err;
+ goto err_out;
return 0;
@@ -1063,7 +1062,7 @@ static int dcbnl_bcn_getcfg(struct net_device *netdev, struct nlattr **tb,
ret = rtnl_unicast(dcbnl_skb, &init_net, pid);
if (ret)
- goto err;
+ goto err_out;
return 0;