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Date:      Tue, 1 Dec 2020 12:43:22 +0000 (UTC)
From:      Hans Petter Selasky <hselasky@FreeBSD.org>
To:        src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-12@freebsd.org
Subject:   svn commit: r368217 - stable/12/sys/dev/mlx5/mlx5_ib
Message-ID:  <202012011243.0B1ChMTQ042212@repo.freebsd.org>

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Author: hselasky
Date: Tue Dec  1 12:43:22 2020
New Revision: 368217
URL: https://svnweb.freebsd.org/changeset/base/368217

Log:
  MFC r367715:
  Fix error handling order in create_kernel_qp in mlx5ib.
  
  Make sure order of cleanup is exactly the opposite of initialization.
  
  Linux commit:
  f4044dac63e952ac1137b6df02b233d37696e2f5
  
  Sponsored by:	Mellanox Technologies // NVIDIA Networking

Modified:
  stable/12/sys/dev/mlx5/mlx5_ib/mlx5_ib_qp.c
Directory Properties:
  stable/12/   (props changed)

Modified: stable/12/sys/dev/mlx5/mlx5_ib/mlx5_ib_qp.c
==============================================================================
--- stable/12/sys/dev/mlx5/mlx5_ib/mlx5_ib_qp.c	Tue Dec  1 12:42:23 2020	(r368216)
+++ stable/12/sys/dev/mlx5/mlx5_ib/mlx5_ib_qp.c	Tue Dec  1 12:43:22 2020	(r368217)
@@ -987,12 +987,12 @@ static int create_kernel_qp(struct mlx5_ib_dev *dev,
 	return 0;
 
 err_wrid:
-	mlx5_db_free(dev->mdev, &qp->db);
 	kfree(qp->sq.wqe_head);
 	kfree(qp->sq.w_list);
 	kfree(qp->sq.wrid);
 	kfree(qp->sq.wr_data);
 	kfree(qp->rq.wrid);
+	mlx5_db_free(dev->mdev, &qp->db);
 
 err_free:
 	kvfree(*in);
@@ -1007,12 +1007,12 @@ err_uuar:
 
 static void destroy_qp_kernel(struct mlx5_ib_dev *dev, struct mlx5_ib_qp *qp)
 {
-	mlx5_db_free(dev->mdev, &qp->db);
 	kfree(qp->sq.wqe_head);
 	kfree(qp->sq.w_list);
 	kfree(qp->sq.wrid);
 	kfree(qp->sq.wr_data);
 	kfree(qp->rq.wrid);
+	mlx5_db_free(dev->mdev, &qp->db);
 	mlx5_buf_free(dev->mdev, &qp->buf);
 	free_uuar(&dev->mdev->priv.uuari, qp->bf->uuarn);
 }



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