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authorDevesh Sharma <devesh.sharma@broadcom.com>2018-02-16 06:20:10 +0100
committerDoug Ledford <dledford@redhat.com>2018-02-20 17:57:21 +0100
commit6b4521f5174c26020ae0deb3ef7f2c28557cf445 (patch)
treebf521bc40449f94ed64c1e164c503e4787f19016 /drivers/infiniband/hw/bnxt_re
parentRDMA/bnxt_re: Disable atomic capability on bnxt_re adapters (diff)
downloadlinux-6b4521f5174c26020ae0deb3ef7f2c28557cf445.tar.xz
linux-6b4521f5174c26020ae0deb3ef7f2c28557cf445.zip
RDMA/bnxt_re: Unpin SQ and RQ memory if QP create fails
Driver leaves the QP memory pinned if QP create command fails from the FW. Avoids this scenario by adding a proper exit path if the FW command fails. Signed-off-by: Devesh Sharma <devesh.sharma@broadcom.com> Signed-off-by: Selvin Xavier <selvin.xavier@broadcom.com> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/hw/bnxt_re')
-rw-r--r--drivers/infiniband/hw/bnxt_re/ib_verbs.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/drivers/infiniband/hw/bnxt_re/ib_verbs.c b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
index 280354ffa642..29e6b1736504 100644
--- a/drivers/infiniband/hw/bnxt_re/ib_verbs.c
+++ b/drivers/infiniband/hw/bnxt_re/ib_verbs.c
@@ -1183,7 +1183,7 @@ struct ib_qp *bnxt_re_create_qp(struct ib_pd *ib_pd,
rc = bnxt_qplib_create_qp(&rdev->qplib_res, &qp->qplib_qp);
if (rc) {
dev_err(rdev_to_dev(rdev), "Failed to create HW QP");
- goto fail;
+ goto free_umem;
}
}
@@ -1211,6 +1211,13 @@ struct ib_qp *bnxt_re_create_qp(struct ib_pd *ib_pd,
return &qp->ib_qp;
qp_destroy:
bnxt_qplib_destroy_qp(&rdev->qplib_res, &qp->qplib_qp);
+free_umem:
+ if (udata) {
+ if (qp->rumem)
+ ib_umem_release(qp->rumem);
+ if (qp->sumem)
+ ib_umem_release(qp->sumem);
+ }
fail:
kfree(qp);
return ERR_PTR(rc);