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-rw-r--r--include/net/dst.h10
-rw-r--r--net/core/dst.c10
2 files changed, 11 insertions, 9 deletions
diff --git a/include/net/dst.h b/include/net/dst.h
index ae13370e8484..002500e631f5 100644
--- a/include/net/dst.h
+++ b/include/net/dst.h
@@ -163,15 +163,7 @@ struct dst_entry * dst_clone(struct dst_entry * dst)
163 return dst; 163 return dst;
164} 164}
165 165
166static inline 166extern void dst_release(struct dst_entry *dst);
167void dst_release(struct dst_entry * dst)
168{
169 if (dst) {
170 WARN_ON(atomic_read(&dst->__refcnt) < 1);
171 smp_mb__before_atomic_dec();
172 atomic_dec(&dst->__refcnt);
173 }
174}
175 167
176/* Children define the path of the packet through the 168/* Children define the path of the packet through the
177 * Linux networking. Thus, destinations are stackable. 169 * Linux networking. Thus, destinations are stackable.
diff --git a/net/core/dst.c b/net/core/dst.c
index 694cd2a3f6d2..fe03266130b6 100644
--- a/net/core/dst.c
+++ b/net/core/dst.c
@@ -259,6 +259,16 @@ again:
259 return NULL; 259 return NULL;
260} 260}
261 261
262void dst_release(struct dst_entry *dst)
263{
264 if (dst) {
265 WARN_ON(atomic_read(&dst->__refcnt) < 1);
266 smp_mb__before_atomic_dec();
267 atomic_dec(&dst->__refcnt);
268 }
269}
270EXPORT_SYMBOL(dst_release);
271
262/* Dirty hack. We did it in 2.2 (in __dst_free), 272/* Dirty hack. We did it in 2.2 (in __dst_free),
263 * we have _very_ good reasons not to repeat 273 * we have _very_ good reasons not to repeat
264 * this mistake in 2.3, but we have no choice 274 * this mistake in 2.3, but we have no choice