linux-kernel - [PATCH 29/36] crypto: hisilicon/qm

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Message-Id: <20230313182918.1312597-29-gregkh@linuxfoundation.org>
Date:   Mon, 13 Mar 2023 19:29:11 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     rafael@...nel.org, Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        Weili Qian <qianweili@...wei.com>,
        Zhou Wang <wangzhou1@...ilicon.com>,
        Herbert Xu <herbert@...dor.apana.org.au>,
        "David S. Miller" <davem@...emloft.net>,
        linux-crypto@...r.kernel.org
Subject: [PATCH 29/36] crypto: hisilicon/qm - make struct bus_type * const

In the function, qm_get_qos_value(), a struct bus_type * is used, but it
really should be a const pointer as it is not modified anywhere in the
function, and the driver core function it is used in expects a constant
pointer.

Cc: Weili Qian <qianweili@...wei.com>
Cc: Zhou Wang <wangzhou1@...ilicon.com>
Cc: Herbert Xu <herbert@...dor.apana.org.au>
Cc: "David S. Miller" <davem@...emloft.net>
Cc: linux-crypto@...r.kernel.org
Signed-off-by: Greg Kroah-Hartman <gregkh@...uxfoundation.org>
---
Note, this is a patch that is a prepatory cleanup as part of a larger
series of patches that is working on resolving some old driver core
design mistakes.  It will build and apply cleanly on top of 6.3-rc2 on
its own, but I'd prefer if I could take it through my driver-core tree
so that the driver core changes can be taken through there for 6.4-rc1.

 drivers/crypto/hisilicon/qm.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/crypto/hisilicon/qm.c b/drivers/crypto/hisilicon/qm.c
index e4c84433a88a..fd1a38ee55f8 100644
--- a/drivers/crypto/hisilicon/qm.c
+++ b/drivers/crypto/hisilicon/qm.c
@@ -3691,7 +3691,7 @@ static ssize_t qm_get_qos_value(struct hisi_qm *qm, const char *buf,
 			       unsigned long *val,
 			       unsigned int *fun_index)
 {
-	struct bus_type *bus_type = qm->pdev->dev.bus;
+	const struct bus_type *bus_type = qm->pdev->dev.bus;
 	char tbuf_bdf[QM_DBG_READ_LEN] = {0};
 	char val_buf[QM_DBG_READ_LEN] = {0};
 	struct pci_dev *pdev;
-- 
2.39.2