linux-kernel - [PATCH 3/5] docsrc: fix ifenslave type

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Date:	Tue, 29 Jul 2008 13:05:15 -0700
From:	Randy Dunlap <rdunlap@...otime.net>
To:	linux-kernel@...r.kernel.org
Cc:	akpm@...ux-foundation.org, Sam Ravnborg <sam@...nborg.org>,
	davem@...emloft.net
Subject: [PATCH 3/5] docsrc: fix ifenslave type

From: Randy Dunlap <randy.dunlap@...cle.com>

Documentation/networking/ifenslave.c:1084: warning: pointer targets in assignment differ in signedness

>From include/linux/socket.h:
 *	1003.1g requires sa_family_t and that sa_data is char.

and from SUSv3:
(http://www.opengroup.org/onlinepubs/009695399/basedefs/sys/socket.h.html)

The <sys/socket.h> header shall define the sockaddr structure that includes at least the following members:

sa_family_t  sa_family  Address family. 
char         sa_data[]  Socket address (variable-length data).
<end SUSv3>

Signed-off-by: Randy Dunlap <randy.dunlap@...cle.com>
---
 Documentation/networking/ifenslave.c |    2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

--- linux-next-20080729.orig/Documentation/networking/ifenslave.c
+++ linux-next-20080729/Documentation/networking/ifenslave.c
@@ -1081,7 +1081,7 @@ static int set_if_addr(char *master_ifna
 
 		}
 
-		ipaddr = ifr.ifr_addr.sa_data;
+		ipaddr = (unsigned char *)ifr.ifr_addr.sa_data;
 		v_print("Interface '%s': set IP %s to %d.%d.%d.%d\n",
 			slave_ifname, ifra[i].desc,
 			ipaddr[0], ipaddr[1], ipaddr[2], ipaddr[3]);


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