linux-kernel - [PATCH 5.3 084/135] net: stmmac: gmac4: bitrev32 returns u32

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Message-Id: <20191203213033.340861877@linuxfoundation.org>
Date:   Tue,  3 Dec 2019 23:35:24 +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, Jose Abreu <Jose.Abreu@...opsys.com>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.3 084/135] net: stmmac: gmac4: bitrev32 returns u32

From: Jose Abreu <Jose.Abreu@...opsys.com>

[ Upstream commit 4d7c47e34fab0d25790bb6e85b85e26fdf0090d5 ]

The bitrev32 function returns an u32 var, not an int. Fix it.

Fixes: 477286b53f55 ("stmmac: add GMAC4 core support")
Signed-off-by: Jose Abreu <Jose.Abreu@...opsys.com>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
index 9c73fb759b575..ff830bb5fcaf7 100644
--- a/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
+++ b/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c
@@ -438,7 +438,7 @@ static void dwmac4_set_filter(struct mac_device_info *hw,
 			 * bits used depends on the hardware configuration
 			 * selected at core configuration time.
 			 */
-			int bit_nr = bitrev32(~crc32_le(~0, ha->addr,
+			u32 bit_nr = bitrev32(~crc32_le(~0, ha->addr,
 					ETH_ALEN)) >> (32 - mcbitslog2);
 			/* The most significant bit determines the register to
 			 * use (H/L) while the other 5 bits determine the bit
-- 
2.20.1