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authorTariq Toukan <tariqt@mellanox.com>2016-10-27 16:36:26 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2016-11-26 09:54:54 +0100
commit2b026a265a9ad0475045e9204ed832932c6af0d2 (patch)
treebceb5592c41244f43ed0eaf3a30d38eb9a687c06 /drivers/infiniband
parenteba83a85cabaaee02b25edfa19f85c4de73a5165 (diff)
IB/uverbs: Fix leak of XRC target QPs
commit 5b810a242c28e1d8d64d718cebe75b79d86a0b2d upstream. 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> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/infiniband')
-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 d625c82d6c82..7becef27cbbe 100644
--- a/drivers/infiniband/core/uverbs_main.c
+++ b/drivers/infiniband/core/uverbs_main.c
@@ -244,12 +244,9 @@ 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);
}