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| author | Dan Carpenter <error27@gmail.com> | 2011-01-04 21:03:12 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-01-06 11:16:54 -0800 |
| commit | 70bfa2d2e1bfd90ef26758b5e2749f043a940037 (patch) | |
| tree | a6dd525ad85e1fe1b95a906f8b9fa50c7f275bdb | |
| parent | 0c6610017459ed9642548694fe88971d3f4206aa (diff) | |
| download | linux-stable-70bfa2d2e1bfd90ef26758b5e2749f043a940037.tar.gz linux-stable-70bfa2d2e1bfd90ef26758b5e2749f043a940037.tar.bz2 linux-stable-70bfa2d2e1bfd90ef26758b5e2749f043a940037.zip | |
dcb: unlock on error in dcbnl_ieee_get()
There is a "goto nla_put_failure" hidden inside the NLA_PUT() macro, but
we're holding the dcb_lock so we need to unlock first.
Signed-off-by: Dan Carpenter <error27@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | net/dcb/dcbnl.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c index 9399af565715..4323bd441f0f 100644 --- a/net/dcb/dcbnl.c +++ b/net/dcb/dcbnl.c @@ -1264,9 +1264,14 @@ static int dcbnl_ieee_get(struct net_device *netdev, struct nlattr **tb, spin_lock(&dcb_lock); list_for_each_entry(itr, &dcb_app_list, list) { - if (strncmp(itr->name, netdev->name, IFNAMSIZ) == 0) - NLA_PUT(skb, DCB_ATTR_IEEE_APP, - sizeof(itr->app), &itr->app); + if (strncmp(itr->name, netdev->name, IFNAMSIZ) == 0) { + err = nla_put(skb, DCB_ATTR_IEEE_APP, sizeof(itr->app), + &itr->app); + if (err) { + spin_unlock(&dcb_lock); + goto nla_put_failure; + } + } } spin_unlock(&dcb_lock); nla_nest_end(skb, app); |