linux-kernel - [PATCH 3.16.y-ckt 92/94] sfc: Fix memcpy() with const destination compiler warning.

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Date:	Fri, 13 Nov 2015 10:10:26 +0000
From:	Luis Henriques <luis.henriques@...onical.com>
To:	linux-kernel@...r.kernel.org, stable@...r.kernel.org,
	kernel-team@...ts.ubuntu.com
Cc:	"David S. Miller" <davem@...emloft.net>,
	Luis Henriques <luis.henriques@...onical.com>
Subject: [PATCH 3.16.y-ckt 92/94] sfc: Fix memcpy() with const destination compiler warning.

3.16.7-ckt20 -stable review patch.  If anyone has any objections, please let me know.

------------------

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

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: Luis Henriques <luis.henriques@...onical.com>
---
 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 0fc5baef45b1..b876e3847b1a 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 */
--
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