virtio: ignore corrupted virtqueues rather than spinning.

[linux-2.6-omap-h63xx.git] / net / core / rtnetlink.c

diff --git a/net/core/rtnetlink.c b/net/core/rtnetlink.c
index bc39e417694a4dab95e9a463de3a1daef78558a0..cf857c4dc7b12ab6e0ca2d79d17a036844a8eb53 100644 (file)
--- a/net/core/rtnetlink.c
+++ b/net/core/rtnetlink.c
@@ -82,6 +82,11 @@ int rtnl_trylock(void)
        return mutex_trylock(&rtnl_mutex);
 }
 
+int rtnl_is_locked(void)
+{
+       return mutex_is_locked(&rtnl_mutex);
+}
+
 static struct rtnl_link *rtnl_msg_handlers[NPROTO];
 
 static inline int rtm_msgindex(int msgtype)
@@ -1402,6 +1407,7 @@ EXPORT_SYMBOL(rtnetlink_put_metrics);
 EXPORT_SYMBOL(rtnl_lock);
 EXPORT_SYMBOL(rtnl_trylock);
 EXPORT_SYMBOL(rtnl_unlock);
+EXPORT_SYMBOL(rtnl_is_locked);
 EXPORT_SYMBOL(rtnl_unicast);
 EXPORT_SYMBOL(rtnl_notify);
 EXPORT_SYMBOL(rtnl_set_sk_err);