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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)
static int atalk_compat_ioctl(struct socket *sock, unsigned int cmd, unsigned long arg)
{
/*
- * All Appletalk ioctls except SIOCATALKDIFADDR are standard. And
- * SIOCATALKDIFADDR is handled by upper layer as well, so there is
- * nothing to do. Eventually SIOCATALKDIFADDR should be moved
- * here so there is no generic SIOCPROTOPRIVATE translation in the
- * system.
+ * SIOCATALKDIFADDR is a SIOCPROTOPRIVATE ioctl number, so we
+ * cannot handle it in common code. The data we access if ifreq
+ * here is compatible, so we can simply call the native
+ * handler.
*/
+ if (cmd == SIOCATALKDIFADDR)
+ return atalk_ioctl(sock, cmd, (unsigned long)compat_ptr(arg));
+
return -ENOIOCTLCMD;
}
#endif