The field "protocol" in event kfree_skb is left unassigned if skb is NULL, leaving its trace output as garbage. Assign the value to 0 when skb is NULL instead. Signed-off-by: Mathieu Desnoyers CC: Steven Rostedt CC: Frederic Weisbecker CC: Ingo Molnar CC: Neil Horman CC: Thomas Gleixner --- include/trace/events/skb.h | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) Index: linux-2.6-lttng/include/trace/events/skb.h =================================================================== --- linux-2.6-lttng.orig/include/trace/events/skb.h +++ linux-2.6-lttng/include/trace/events/skb.h @@ -25,9 +25,7 @@ TRACE_EVENT(kfree_skb, TP_fast_assign( __entry->skbaddr = skb; - if (skb) { - __entry->protocol = ntohs(skb->protocol); - } + __entry->protocol = skb ? ntohs(skb->protocol) : 0; __entry->location = location; ), -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/