linux-kernel - [PATCH 3.12 09/72] sfc: Fix memcpy() with const destination compiler warning.

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Message-Id: <86d16222fd8ee0c1f7d9ff74ced8eb03b1915509.1448283890.git.jslaby@suse.cz>
Date:	Mon, 23 Nov 2015 14:07:12 +0100
From:	Jiri Slaby <jslaby@...e.cz>
To:	stable@...r.kernel.org
Cc:	linux-kernel@...r.kernel.org,
	"David S. Miller" <davem@...emloft.net>,
	Jiri Slaby <jslaby@...e.cz>
Subject: [PATCH 3.12 09/72] sfc: Fix memcpy() with const destination compiler warning.

From: "David S. Miller" <davem@...emloft.net>

3.12-stable review patch.  If anyone has any objections, please let me know.

===============

commit 1d20a16062e771b6e26b843c0cde3b17c1146e00 upstream.

drivers/net/ethernet/sfc/selftest.c: In function ‘efx_iterate_state’:
drivers/net/ethernet/sfc/selftest.c:388:9: warning: passing argument 1 of ‘memcpy’ discards ‘const’ qualifier from pointer target type [-Wdiscarded-array-qualifiers]

This is because the msg[] member of struct efx_loopback_payload
is marked as 'const'.  Remove that.

Signed-off-by: David S. Miller <davem@...emloft.net>
Signed-off-by: Jiri Slaby <jslaby@...e.cz>
---
 drivers/net/ethernet/sfc/selftest.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/net/ethernet/sfc/selftest.c b/drivers/net/ethernet/sfc/selftest.c
index 144bbff5a4ae..1a5cb0cadfda 100644
--- a/drivers/net/ethernet/sfc/selftest.c
+++ b/drivers/net/ethernet/sfc/selftest.c
@@ -46,7 +46,7 @@ struct efx_loopback_payload {
 	struct iphdr ip;
 	struct udphdr udp;
 	__be16 iteration;
-	const char msg[64];
+	char msg[64];
 } __packed;
 
 /* Loopback test source MAC address */
-- 
2.6.3

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