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authorArnd Bergmann <arnd@arndb.de>2009-11-06 03:09:06 -0500
committerDavid S. Miller <davem@davemloft.net>2009-11-07 02:01:14 -0500
commit206602217747382488fcae68351673cc9103debc (patch)
tree1cdf6ce1e7fe4f41e75997b88dedb8883563b8bc /net/appletalk/ddp.c
parent7a229387d317df525ebd19e146493db7f2694b8b (diff)
appletalk: handle SIOCATALKDIFADDR compat ioctl
We must not have a compat ioctl handler for SIOCATALKDIFADDR in common code, because the same number is used in other protocols with different data structures. Signed-off-by: Arnd Bergmann <arnd@arndb.de> Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'net/appletalk/ddp.c')
-rw-r--r--net/appletalk/ddp.c12
1 files changed, 7 insertions, 5 deletions
diff --git a/net/appletalk/ddp.c b/net/appletalk/ddp.c
index 4b0ce2e2b46e..7cd08b45c52b 100644
--- a/net/appletalk/ddp.c
+++ b/net/appletalk/ddp.c
@@ -1811,12 +1811,14 @@ static int atalk_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
1811static int atalk_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg) 1811static int atalk_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
1812{ 1812{
1813 /* 1813 /*
1814 * All Appletalk ioctls except SIOCATALKDIFADDR are standard. And 1814 * SIOCATALKDIFADDR is a SIOCPROTOPRIVATE ioctl number, so we
1815 * SIOCATALKDIFADDR is handled by upper layer as well, so there is 1815 * cannot handle it in common code. The data we access if ifreq
1816 * nothing to do. Eventually SIOCATALKDIFADDR should be moved 1816 * here is compatible, so we can simply call the native
1817 * here so there is no generic SIOCPROTOPRIVATE translation in the 1817 * handler.
1818 * system.
1819 */ 1818 */
1819 if (cmd == SIOCATALKDIFADDR)
1820 return atalk_ioctl(sock, cmd, (unsigned long)compat_ptr(arg));
1821
1820 return -ENOIOCTLCMD; 1822 return -ENOIOCTLCMD;
1821} 1823}
1822#endif 1824#endif