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author | Leon Romanovsky <leonro@nvidia.com> | 2021-07-23 14:39:50 +0300 |
---|---|---|
committer | Jason Gunthorpe <jgg@nvidia.com> | 2021-08-03 13:44:27 -0300 |
commit | 514aee660df493cd673154a6ba6bab745ec47b8c (patch) | |
tree | 7a8419624a44f617b4bfee52ba38c54bd1ab90d7 /drivers/infiniband/hw/bnxt_re/ib_verbs.c | |
parent | 44da3730e046a784d088157175d9418ba60661fc (diff) | |
download | linux-stable-514aee660df493cd673154a6ba6bab745ec47b8c.tar.gz linux-stable-514aee660df493cd673154a6ba6bab745ec47b8c.tar.bz2 linux-stable-514aee660df493cd673154a6ba6bab745ec47b8c.zip |
RDMA: Globally allocate and release QP memory
Convert QP object to follow IB/core general allocation scheme. That
change allows us to make sure that restrack properly kref the memory.
Link: https://lore.kernel.org/r/48e767124758aeecc433360ddd85eaa6325b34d9.1627040189.git.leonro@nvidia.com
Reviewed-by: Gal Pressman <galpress@amazon.com> #efa
Tested-by: Gal Pressman <galpress@amazon.com>
Reviewed-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com> #rdma and core
Tested-by: Dennis Dalessandro <dennis.dalessandro@cornelisnetworks.com>
Signed-off-by: Leon Romanovsky <leonro@nvidia.com>
Tested-by: Tatyana Nikolova <tatyana.e.nikolova@intel.com>
Signed-off-by: Jason Gunthorpe <jgg@nvidia.com>
Diffstat (limited to 'drivers/infiniband/hw/bnxt_re/ib_verbs.c')
-rw-r--r-- | drivers/infiniband/hw/bnxt_re/ib_verbs.c | 26 |
1 files changed, 8 insertions, 18 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c index 283b6b81563c..634d1586a1fa 100644 --- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c +++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c @@ -815,7 +815,7 @@ int bnxt_re_destroy_qp(struct ib_qp *ib_qp, struct ib_udata *udata) if (ib_qp->qp_type == IB_QPT_GSI && rdev->gsi_ctx.gsi_sqp) { rc = bnxt_re_destroy_gsi_sqp(qp); if (rc) - goto sh_fail; + return rc; } mutex_lock(&rdev->qp_lock); @@ -826,10 +826,7 @@ int bnxt_re_destroy_qp(struct ib_qp *ib_qp, struct ib_udata *udata) ib_umem_release(qp->rumem); ib_umem_release(qp->sumem); - kfree(qp); return 0; -sh_fail: - return rc; } static u8 __from_ib_qp_type(enum ib_qp_type type) @@ -1402,27 +1399,22 @@ static bool bnxt_re_test_qp_limits(struct bnxt_re_dev *rdev, return rc; } -struct ib_qp *bnxt_re_create_qp(struct ib_pd *ib_pd, - struct ib_qp_init_attr *qp_init_attr, - struct ib_udata *udata) +int bnxt_re_create_qp(struct ib_qp *ib_qp, struct ib_qp_init_attr *qp_init_attr, + struct ib_udata *udata) { + struct ib_pd *ib_pd = ib_qp->pd; struct bnxt_re_pd *pd = container_of(ib_pd, struct bnxt_re_pd, ib_pd); struct bnxt_re_dev *rdev = pd->rdev; struct bnxt_qplib_dev_attr *dev_attr = &rdev->dev_attr; - struct bnxt_re_qp *qp; + struct bnxt_re_qp *qp = container_of(ib_qp, struct bnxt_re_qp, ib_qp); int rc; rc = bnxt_re_test_qp_limits(rdev, qp_init_attr, dev_attr); if (!rc) { rc = -EINVAL; - goto exit; + goto fail; } - qp = kzalloc(sizeof(*qp), GFP_KERNEL); - if (!qp) { - rc = -ENOMEM; - goto exit; - } qp->rdev = rdev; rc = bnxt_re_init_qp_attr(qp, pd, qp_init_attr, udata); if (rc) @@ -1465,16 +1457,14 @@ struct ib_qp *bnxt_re_create_qp(struct ib_pd *ib_pd, mutex_unlock(&rdev->qp_lock); atomic_inc(&rdev->qp_count); - return &qp->ib_qp; + return 0; qp_destroy: bnxt_qplib_destroy_qp(&rdev->qplib_res, &qp->qplib_qp); free_umem: ib_umem_release(qp->rumem); ib_umem_release(qp->sumem); fail: - kfree(qp); -exit: - return ERR_PTR(rc); + return rc; } static u8 __from_ib_qp_state(enum ib_qp_state state) |