diff options
Diffstat (limited to 'include/net/dst.h')
| -rw-r--r-- | include/net/dst.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/include/net/dst.h b/include/net/dst.h index 75b95df4afe7..b3ad020faec5 100644 --- a/include/net/dst.h +++ b/include/net/dst.h @@ -120,6 +120,8 @@ 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); |