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authorDavid S. Miller <davem@davemloft.net>2008-07-16 05:42:51 -0400
committerDavid S. Miller <davem@davemloft.net>2008-07-17 22:21:25 -0400
commit15b458fa65cbba395724a99ab1b7d3785ca76c1c (patch)
tree7759eee59d6eb7c324732e89fa7007d49c0965df /net/sched/cls_route.c
parent55dbc640c31db373fa07eb1e3af9b8eadbdf80db (diff)
pkt_sched: Kill qdisc_lock_tree usage in cls_route.c
It just wants the qdisc tree to be synchronized, so grabbing qdisc_root_lock() is sufficient. Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/sched/cls_route.c')
-rw-r--r--net/sched/cls_route.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/net/sched/cls_route.c b/net/sched/cls_route.c
index 5a16ca28aa3d..481260a4f10f 100644
--- a/net/sched/cls_route.c
+++ b/net/sched/cls_route.c
@@ -73,11 +73,13 @@ static __inline__ int route4_fastmap_hash(u32 id, int iif)
73} 73}
74 74
75static inline 75static inline
76void route4_reset_fastmap(struct net_device *dev, struct route4_head *head, u32 id) 76void route4_reset_fastmap(struct Qdisc *q, struct route4_head *head, u32 id)
77{ 77{
78 qdisc_lock_tree(dev); 78 spinlock_t *root_lock = qdisc_root_lock(q);
79
80 spin_lock_bh(root_lock);
79 memset(head->fastmap, 0, sizeof(head->fastmap)); 81 memset(head->fastmap, 0, sizeof(head->fastmap));
80 qdisc_unlock_tree(dev); 82 spin_unlock_bh(root_lock);
81} 83}
82 84
83static inline void 85static inline void
@@ -302,7 +304,7 @@ static int route4_delete(struct tcf_proto *tp, unsigned long arg)
302 *fp = f->next; 304 *fp = f->next;
303 tcf_tree_unlock(tp); 305 tcf_tree_unlock(tp);
304 306
305 route4_reset_fastmap(qdisc_dev(tp->q), head, f->id); 307 route4_reset_fastmap(tp->q, head, f->id);
306 route4_delete_filter(tp, f); 308 route4_delete_filter(tp, f);
307 309
308 /* Strip tree */ 310 /* Strip tree */
@@ -500,7 +502,7 @@ reinsert:
500 } 502 }
501 tcf_tree_unlock(tp); 503 tcf_tree_unlock(tp);
502 504
503 route4_reset_fastmap(qdisc_dev(tp->q), head, f->id); 505 route4_reset_fastmap(tp->q, head, f->id);
504 *arg = (unsigned long)f; 506 *arg = (unsigned long)f;
505 return 0; 507 return 0;
506 508