* [patch 1/2] dcb: unlock on error in dcbnl_ieee_get()
@ 2011-01-05 7:03 Dan Carpenter
2011-01-06 19:17 ` David Miller
0 siblings, 1 reply; 2+ messages in thread
From: Dan Carpenter @ 2011-01-05 7:03 UTC (permalink / raw)
To: netdev; +Cc: John Fastabend, Shmulik Ravid, David S. Miller, kernel-janitors
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>
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
index ff3c12d..8881cb5 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);
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2011-01-05 7:03 [patch 1/2] dcb: unlock on error in dcbnl_ieee_get() Dan Carpenter
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