net: dcb: set error code on failures

In function dcbnl_cee_fill(), returns the value of variable err on errors. However, on some error paths (e.g. nla put fails), its value may be 0. It may be better to explicitly set a negative errno to variable err before returning. Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=188881 Signed-off-by: Pan Bian <[email protected]> Signed-off-by: David S. Miller <[email protected]>
chewitt · Dec 4, 2016 · c66ebf2 · c66ebf2
1 parent a38b610
commit c66ebf2
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/net/dcb/dcbnl.c b/net/dcb/dcbnl.c
@@ -1353,6 +1353,7 @@ static int dcbnl_cee_fill(struct sk_buff *skb, struct net_device *netdev)
 dcb_unlock:
 	spin_unlock_bh(&dcb_lock);
 nla_put_failure:
+	err = -EMSGSIZE;
 	return err;
 }