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IB/rxe: Fix kmem_cache leak 

Decrement qp reference when handling error path
in completer to prevent kmem_cache leak.

Fixes: 8700e3e7c4 ("Soft RoCE driver")
Signed-off-by: Yonatan Cohen <yonatanc@mellanox.com>
Signed-off-by: Leon Romanovsky <leon@kernel.org>
Signed-off-by: Doug Ledford <dledford@redhat.com>
hifive-unleashed-5.1
Yonatan Cohen 2016-09-07 14:04:07 +03:00 committed by Doug Ledford
parent 3050b99850
commit c1cc72cb6f
1 changed files with 13 additions and 0 deletions
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13
drivers/infiniband/sw/rxe/rxe_comp.c
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@ -689,7 +689,14 @@ int rxe_completer(void *arg)
qp->req.need_retry = 1;
rxe_run_task(&qp->req.task, 1);
}
if (pkt) {
rxe_drop_ref(pkt->qp);
kfree_skb(skb);
}
goto exit;
} else {
wqe->status = IB_WC_RETRY_EXC_ERR;
state = COMPST_ERROR;
@ -716,6 +723,12 @@ int rxe_completer(void *arg)
case COMPST_ERROR:
do_complete(qp, wqe);
rxe_qp_error(qp);
if (pkt) {
rxe_drop_ref(pkt->qp);
kfree_skb(skb);
}
goto exit;
}
}