From: Weili Qian <qianweili@huawei.com>
Date: Sat, 13 Aug 2022 10:34:52 +0000 (+0800)
Subject: crypto: hisilicon/qm - fix missing destroy qp_idr
X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=aaef0bdd7ad29a8ec6ef4a4046d7bc2263d9b145;p=linux.git

crypto: hisilicon/qm - fix missing destroy qp_idr

[ Upstream commit 116be08f6e4e385733d42360a33c3d883d2dd702 ]

In the function hisi_qm_memory_init(), if resource alloc fails after
idr_init, the initialized qp_idr needs to be destroyed.

Signed-off-by: Weili Qian <qianweili@huawei.com>
Signed-off-by: Yang Shen <shenyang39@huawei.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Sasha Levin <sashal@kernel.org>
---

diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index b8900a5dbf6e1..fd89918abd191 100644
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -5727,8 +5727,8 @@ static int hisi_qm_memory_init(struct hisi_qm *qm)
 					 GFP_ATOMIC);
 	dev_dbg(dev, "allocate qm dma buf size=%zx)\n", qm->qdma.size);
 	if (!qm->qdma.va) {
-		ret =  -ENOMEM;
-		goto err_alloc_qdma;
+		ret = -ENOMEM;
+		goto err_destroy_idr;
 	}
 
 	QM_INIT_BUF(qm, eqe, QM_EQ_DEPTH);
@@ -5744,7 +5744,8 @@ static int hisi_qm_memory_init(struct hisi_qm *qm)
 
 err_alloc_qp_array:
 	dma_free_coherent(dev, qm->qdma.size, qm->qdma.va, qm->qdma.dma);
-err_alloc_qdma:
+err_destroy_idr:
+	idr_destroy(&qm->qp_idr);
 	kfree(qm->factor);
 
 	return ret;