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[PATCH net 2/7] mlx4: fix QP tree trashing

From: Yevgeny Petrilin <hidden>
Date: 2012-02-14 16:40:03
Subsystem: mellanox mlx4 core vpi driver, networking drivers, the rest · Maintainers: Tariq Toukan, Andrew Lunn, "David S. Miller", Eric Dumazet, Jakub Kicinski, Paolo Abeni, Linus Torvalds

From: Eugenia Emantayev <redacted>

When adding new unicast steer entry, before moving qp to state ready,
actually before calling mlx4_RST2INIT_QP_wrapper(), there were added
a lot of entries with local_qpn=0 into radix tree.
This fact impacted the get_res() function and proper functioning
of resource tracker in addition to adding trash entries into radix tree.

Signed-off-by: Eugenia Emantayev <redacted>
Reviewed-by: Yevgeny Petrilin <redacted>
---
 .../net/ethernet/mellanox/mlx4/resource_tracker.c  |    1 +
 1 files changed, 1 insertions(+), 0 deletions(-)
diff --git a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
index 1420dbc..629cc30 100644
--- a/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
+++ b/drivers/net/ethernet/mellanox/mlx4/resource_tracker.c
@@ -374,6 +374,7 @@ static struct res_common *alloc_qp_tr(int id)
 
 	ret->com.res_id = id;
 	ret->com.state = RES_QP_RESERVED;
+	ret->local_qpn = id;
 	INIT_LIST_HEAD(&ret->mcg_list);
 	spin_lock_init(&ret->mcg_spl);
 
-- 
1.5.4.3
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