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authorTariq Toukan <tariqt@mellanox.com>2016-10-27 16:36:26 +0300
committerDoug Ledford <dledford@redhat.com>2016-11-16 20:03:44 -0500
commit5b810a242c28e1d8d64d718cebe75b79d86a0b2d (patch)
treef767f7da2c8d3c27866a813a6facdfcffa853f0c /drivers/infiniband/core
parenta909d3e636995ba7c349e2ca5dbb528154d4ac30 (diff)
downloadop-kernel-dev-5b810a242c28e1d8d64d718cebe75b79d86a0b2d.zip
op-kernel-dev-5b810a242c28e1d8d64d718cebe75b79d86a0b2d.tar.gz
IB/uverbs: Fix leak of XRC target QPs
The real QP is destroyed in case of the ref count reaches zero, but for XRC target QPs this call was missed and caused to QP leaks. Let's call to destroy for all flows. Fixes: 0e0ec7e0638e ('RDMA/core: Export ib_open_qp() to share XRC...') Signed-off-by: Tariq Toukan <tariqt@mellanox.com> Signed-off-by: Noa Osherovich <noaos@mellanox.com> Signed-off-by: Leon Romanovsky <leon@kernel.org> Signed-off-by: Doug Ledford <dledford@redhat.com>
Diffstat (limited to 'drivers/infiniband/core')
-rw-r--r--drivers/infiniband/core/uverbs_main.c7
1 files changed, 2 insertions, 5 deletions
diff --git a/drivers/infiniband/core/uverbs_main.c b/drivers/infiniband/core/uverbs_main.c
index 0012fa5..44b1104 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -262,12 +262,9 @@ static int ib_uverbs_cleanup_ucontext(struct ib_uverbs_file *file,
container_of(uobj, struct ib_uqp_object, uevent.uobject);
idr_remove_uobj(&ib_uverbs_qp_idr, uobj);
- if (qp != qp->real_qp) {
- ib_close_qp(qp);
- } else {
+ if (qp == qp->real_qp)
ib_uverbs_detach_umcast(qp, uqp);
- ib_destroy_qp(qp);
- }
+ ib_destroy_qp(qp);
ib_uverbs_release_uevent(file, &uqp->uevent);
kfree(uqp);
}
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