linux-kernel - [PATCH 2/2] net: nixge: Address compiler warnings about signedness

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Message-Id: <20180504171834.9365-2-mdf@kernel.org>
Date:   Fri,  4 May 2018 10:18:34 -0700
From:   Moritz Fischer <mdf@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     netdev@...r.kernel.org, davem@...emloft.net, alex.williams@...com,
        Moritz Fischer <mdf@...nel.org>
Subject: [PATCH 2/2] net: nixge: Address compiler warnings about signedness

Fixes the following warnings:
warning: pointer targets in passing argument 1 of
‘is_valid_ether_addr’ differ in signedness [-Wpointer-sign]
  if (mac_addr && is_valid_ether_addr(mac_addr)) {
                                      ^~~~~~~~
expected ‘const u8 * {aka const unsigned char *}’ but argument
is of type ‘const char *’
 static inline bool is_valid_ether_addr(const u8 *addr)
                    ^~~~~~~~~~~~~~~~~~~
warning: pointer targets in passing argument 2 of
‘ether_addr_copy’ differ in signedness [-Wpointer-sign]
   ether_addr_copy(ndev->dev_addr, mac_addr);
                                   ^~~~~~~~
expected ‘const u8 * {aka const unsigned char *}’ but argument
is of type ‘const char *’
 static inline void ether_addr_copy(u8 *dst, const u8 *src)

Signed-off-by: Moritz Fischer <mdf@...nel.org>
---
 drivers/net/ethernet/ni/nixge.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/ni/nixge.c b/drivers/net/ethernet/ni/nixge.c
index c41fea9253e3..b092894dd128 100644
--- a/drivers/net/ethernet/ni/nixge.c
+++ b/drivers/net/ethernet/ni/nixge.c
@@ -1183,7 +1183,7 @@ static int nixge_probe(struct platform_device *pdev)
 	struct nixge_priv *priv;
 	struct net_device *ndev;
 	struct resource *dmares;
-	const char *mac_addr;
+	const u8 *mac_addr;
 	int err;
 
 	ndev = alloc_etherdev(sizeof(*priv));
-- 
2.17.0