net: use DEBUG_NET_WARN_ON_ONCE() in skb_release_head_state()

[linux-2.6-block.git] / net / core / skbuff.c

diff --git a/net/core/skbuff.c b/net/core/skbuff.c
index 5b3559cb1d82794c0fffcb3f6ec5b26fc523208f..cf83d9b8f41dc28ae11391f2651e5abee3dcde8f 100644 (file)
--- a/net/core/skbuff.c
+++ b/net/core/skbuff.c
@@ -91,6 +91,9 @@ static struct kmem_cache *skbuff_ext_cache __ro_after_init;
 int sysctl_max_skb_frags __read_mostly = MAX_SKB_FRAGS;
 EXPORT_SYMBOL(sysctl_max_skb_frags);
 
+/* The array 'drop_reasons' is auto-generated in dropreason_str.c */
+EXPORT_SYMBOL(drop_reasons);
+
 /**
  *     skb_panic - private function for out-of-line support
  *     @skb:   buffer
@@ -725,7 +728,7 @@ void skb_release_head_state(struct sk_buff *skb)
 {
        skb_dst_drop(skb);
        if (skb->destructor) {
-               WARN_ON(in_hardirq());
+               DEBUG_NET_WARN_ON_ONCE(in_hardirq());
                skb->destructor(skb);
        }
 #if IS_ENABLED(CONFIG_NF_CONNTRACK)