diff mbox

[dpdk-dev,5/5] net/mlx5: fix Memory Region boundary checks

Message ID 4a20606b752722f043f1440bb7c8be4ea04b1159.1516727100.git.shahafs@mellanox.com (mailing list archive)
State Superseded, archived
Headers

Checks

Context Check Description
ci/checkpatch success coding style OK
ci/Intel-compilation fail Compilation issues

Commit Message

Shahaf Shuler Jan. 23, 2018, 5:08 p.m. UTC 
  Since commit f81ec748434b ("net/mlx5: fix memory region lookup") the
memory regions (MR) are no longer overlaps.

Comparing the end address of the MR should be exclusive, otherwise two
contiguous MRs may cause wrong matching.

Fixes: f81ec748434b ("net/mlx5: fix memory region lookup")
Cc: yskoh@mellanox.com

Signed-off-by: Xueming Li <xuemingl@mellanox.com>
Signed-off-by: Shahaf Shuler <shahafs@mellanox.com>
---
 drivers/net/mlx5/mlx5_rxtx.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
diff mbox

Patch

diff --git a/drivers/net/mlx5/mlx5_rxtx.h b/drivers/net/mlx5/mlx5_rxtx.h
index 4bedfb89b..692069971 100644
--- a/drivers/net/mlx5/mlx5_rxtx.h
+++ b/drivers/net/mlx5/mlx5_rxtx.h
@@ -553,7 +553,7 @@  mlx5_tx_mb2mr(struct mlx5_txq_data *txq, struct rte_mbuf *mb)
 	struct rte_mempool *mp;
 
 	assert(i < RTE_DIM(txq->mp2mr));
-	if (likely(txq->mp2mr[i]->start <= addr && txq->mp2mr[i]->end >= addr))
+	if (likely(txq->mp2mr[i]->start <= addr && txq->mp2mr[i]->end > addr))
 		return txq->mp2mr[i]->lkey;
 	for (i = 0; (i != RTE_DIM(txq->mp2mr)); ++i) {
 		if (unlikely(txq->mp2mr[i] == NULL ||