linux-kernel - [PATCH 5.19 0366/1157] net: ag71xx: fix discards const qualifier warning

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Date:   Mon, 15 Aug 2022 19:55:22 +0200
From:   Greg Kroah-Hartman <gregkh@...uxfoundation.org>
To:     linux-kernel@...r.kernel.org
Cc:     Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        stable@...r.kernel.org, Oleksij Rempel <o.rempel@...gutronix.de>,
        "David S. Miller" <davem@...emloft.net>,
        Sasha Levin <sashal@...nel.org>
Subject: [PATCH 5.19 0366/1157] net: ag71xx: fix discards const qualifier warning

From: Oleksij Rempel <o.rempel@...gutronix.de>

[ Upstream commit 225b0ed27e6ac523e5e98e7395392446859c7f20 ]

Current kernel will compile this driver with warnings. This patch will
fix it.

drivers/net/ethernet/atheros/ag71xx.c: In function 'ag71xx_fast_reset':
drivers/net/ethernet/atheros/ag71xx.c:996:31: warning: passing argument 2 of 'ag71xx_hw_set
_macaddr' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
  996 |  ag71xx_hw_set_macaddr(ag, dev->dev_addr);
      |                            ~~~^~~~~~~~~~
drivers/net/ethernet/atheros/ag71xx.c:951:69: note: expected 'unsigned char *' but argument
 is of type 'const unsigned char *'
  951 | static void ag71xx_hw_set_macaddr(struct ag71xx *ag, unsigned char *mac)
      |                                                      ~~~~~~~~~~~~~~~^~~
drivers/net/ethernet/atheros/ag71xx.c: In function 'ag71xx_open':
drivers/net/ethernet/atheros/ag71xx.c:1441:32: warning: passing argument 2 of 'ag71xx_hw_se
t_macaddr' discards 'const' qualifier from pointer target type [-Wdiscarded-qualifiers]
 1441 |  ag71xx_hw_set_macaddr(ag, ndev->dev_addr);
      |                            ~~~~^~~~~~~~~~
drivers/net/ethernet/atheros/ag71xx.c:951:69: note: expected 'unsigned char *' but argument
 is of type 'const unsigned char *'
  951 | static void ag71xx_hw_set_macaddr(struct ag71xx *ag, unsigned char *mac)
      |                                                      ~~~~~~~~~~~~~~~^~~

Fixes: adeef3e32146 ("net: constify netdev->dev_addr")
Signed-off-by: Oleksij Rempel <o.rempel@...gutronix.de>
Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Sasha Levin <sashal@...nel.org>
---
 drivers/net/ethernet/atheros/ag71xx.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/atheros/ag71xx.c b/drivers/net/ethernet/atheros/ag71xx.c
index cac509708e9d..1c6ea6766aa1 100644
--- a/drivers/net/ethernet/atheros/ag71xx.c
+++ b/drivers/net/ethernet/atheros/ag71xx.c
@@ -946,7 +946,7 @@ static unsigned int ag71xx_max_frame_len(unsigned int mtu)
 	return ETH_HLEN + VLAN_HLEN + mtu + ETH_FCS_LEN;
 }
 
-static void ag71xx_hw_set_macaddr(struct ag71xx *ag, unsigned char *mac)
+static void ag71xx_hw_set_macaddr(struct ag71xx *ag, const unsigned char *mac)
 {
 	u32 t;
 
-- 
2.35.1