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IB/mlx4: Rework special QP creation error path

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The special QP creation error path relies on offset_of(struct mlx4_ib_sqp,
qp) == 0. Remove this assumption because that makes the QP creation
code easier to understand.

Signed-off-by: Bart Van Assche <bart.vanassche@sandisk.com>
Cc: Yishai Hadas <yishaih@mellanox.com>
Reviewed-by: Laurence Oberman <loberman@redhat.com>
Reviewed-by: Yishai Hadas <yishaih@mellanox.com>
Signed-off-by: Doug Ledford <dledford@redhat.com>
This commit is contained in:
Bart Van Assche 2016-11-14 08:44:11 -08:00 committed by Doug Ledford
parent e98172462f
commit b42dde478b
1 changed files with 4 additions and 2 deletions
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6
drivers/infiniband/hw/mlx4/qp.c
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@ -644,7 +644,7 @@ static int create_qp_common(struct mlx4_ib_dev *dev, struct ib_pd *pd,
int qpn;
int err;
struct ib_qp_cap backup_cap;
struct mlx4_ib_sqp *sqp;
struct mlx4_ib_sqp *sqp = NULL;
struct mlx4_ib_qp *qp;
enum mlx4_ib_qp_type qp_type = (enum mlx4_ib_qp_type) init_attr->qp_type;
struct mlx4_ib_cq *mcq;
@ -933,7 +933,9 @@ err_db:
mlx4_db_free(dev->dev, &qp->db);
err:
if (!*caller_qp)
if (sqp)
kfree(sqp);
else if (!*caller_qp)
kfree(qp);
return err;
}