Fix tcindex classifier ABI borkage...

[NET_SCHED]: cls_tcindex: fix compatibility breakage

Userspace uses an integer for TCA_TCINDEX_SHIFT, the kernel was changed
to expect and use a u16 value in 2.6.11, which broke compatibility on
big endian machines. Change back to use int.

Reported by Ole Reinartz <ole.reinartz@gmx.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>
Signed-off-by: David S. Miller <davem@davemloft.net>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

net/sched/cls_tcindex.c

@@ -245,9 +245,9 @@ tcindex_set_parms(struct tcf_proto *tp, unsigned long base, u32 handle,
 	}
 
 	if (tb[TCA_TCINDEX_SHIFT-1]) {
-		if (RTA_PAYLOAD(tb[TCA_TCINDEX_SHIFT-1]) < sizeof(u16))
+		if (RTA_PAYLOAD(tb[TCA_TCINDEX_SHIFT-1]) < sizeof(int))
 			goto errout;
-		cp.shift = *(u16 *) RTA_DATA(tb[TCA_TCINDEX_SHIFT-1]);
+		cp.shift = *(int *) RTA_DATA(tb[TCA_TCINDEX_SHIFT-1]);
 	}
 
 	err = -EBUSY;