linux-kernel - [PATCH 4.4 052/159] cxgb4: Fix endianness issue in t4

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Message-Id: <20191122100744.845435996@linuxfoundation.org>
Date:   Fri, 22 Nov 2019 11:27:23 +0100
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Al Viro <viro@...iv.linux.org.uk>,
        Ganesh Goudar <ganeshgr@...lsio.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 4.4 052/159] cxgb4: Fix endianness issue in t4_fwcache()

From: Ganesh Goudar <ganeshgr@...lsio.com>

[ Upstream commit 0dc235afc59a226d951352b0adf4a89b532a9d13 ]

Do not put host-endian 0 or 1 into big endian feild.

Reported-by: Al Viro <viro@...iv.linux.org.uk>
Signed-off-by: Ganesh Goudar <ganeshgr@...lsio.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/chelsio/cxgb4/t4_hw.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
index de23f23b41de6..832ad1bd1f29b 100644
--- a/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
+++ b/drivers/net/ethernet/chelsio/cxgb4/t4_hw.c
@@ -3482,7 +3482,7 @@ int t4_fwcache(struct adapter *adap, enum fw_params_param_dev_fwcache op)
 	c.param[0].mnem =
 		cpu_to_be32(FW_PARAMS_MNEM_V(FW_PARAMS_MNEM_DEV) |
 			    FW_PARAMS_PARAM_X_V(FW_PARAMS_PARAM_DEV_FWCACHE));
-	c.param[0].val = (__force __be32)op;
+	c.param[0].val = cpu_to_be32(op);
 
 	return t4_wr_mbox(adap, adap->mbox, &c, sizeof(c), NULL);
 }
-- 
2.20.1