Commit ae439286 authored Oct 24, 2014 by Andrew Lunn Committed by David S. Miller Oct 28, 2014

net: dsa: Error out on tagging protocol mismatches



If there is a mismatch between enabled tagging protocols and the
protocol the switch supports, error out, rather than continue with a
situation which is unlikely to work.

Signed-off-by: Andrew Lunn <andrew@lunn.ch>
cc: alexander.h.duyck@intel.com
Acked-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

parent f89b7755

net/dsa/dsa.c

+4 −1

Original line number	Diff line number	Diff line
		@@ -174,8 +174,11 @@ dsa_switch_setup(struct dsa_switch_tree *dst, int index,
		dst->rcv = brcm_netdev_ops.rcv;
		break;
		#endif
		default:
		case DSA_TAG_PROTO_NONE:
		break;
		default:
		ret = -ENOPROTOOPT;
		goto out;
		}

		dst->tag_protocol = drv->tag_protocol;