From: Yonatan Cohen <yonatanc@mellanox.com> Date: Wed, 7 Sep 2016 11:04:07 +0000 (+0300) Subject: IB/rxe: Fix kmem_cache leak X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=c1cc72cb6ff95cbe02ed747866576dccab4a5911;p=openwrt%2Fstaging%2Fblogic.git IB/rxe: Fix kmem_cache leak Decrement qp reference when handling error path in completer to prevent kmem_cache leak. Fixes: 8700e3e7c485 ("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> --- diff --git a/drivers/infiniband/sw/rxe/rxe_comp.c b/drivers/infiniband/sw/rxe/rxe_comp.c index 36f67de44095..1c59ef2c67aa 100644 --- a/drivers/infiniband/sw/rxe/rxe_comp.c +++ b/drivers/infiniband/sw/rxe/rxe_comp.c @@ -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; } }