paride/pcd: Fix potential NULL pointer dereference and mem leak

[linux-2.6-microblaze.git] / net / ncsi / ncsi-netlink.c

diff --git a/net/ncsi/ncsi-netlink.c b/net/ncsi/ncsi-netlink.c
index 5d78244..bad17bb 100644 (file)
--- a/net/ncsi/ncsi-netlink.c
+++ b/net/ncsi/ncsi-netlink.c
@@ -251,6 +251,10 @@ static int ncsi_pkg_info_all_nl(struct sk_buff *skb,
        }
 
        attr = nla_nest_start(skb, NCSI_ATTR_PACKAGE_LIST);
+       if (!attr) {
+               rc = -EMSGSIZE;
+               goto err;
+       }
        rc = ncsi_write_package_info(skb, ndp, package->id);
        if (rc) {
                nla_nest_cancel(skb, attr);