Commit 1f37070d authored May 24, 2011 by Stephen Hemminger Committed by David S. Miller May 24, 2011

dst: catch uninitialized metrics



Catch cases where dst_metric_set() and other functions are called
but _metrics is NULL.

Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent 5d8bee67

include/net/dst.h

+2 −0

Original line number	Diff line number	Diff line
		@@ -111,6 +111,8 @@ static inline u32 dst_metrics_write_ptr(struct dst_entry dst)
		{
		unsigned long p = dst->_metrics;

		BUG_ON(!p);

		if (p & DST_METRICS_READ_ONLY)
		return dst->ops->cow_metrics(dst, p);
		return __DST_METRICS_PTR(p);