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ofp-util: Make ofputil_port_from_ofp11() return OFPP_NONE on error.

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This makes life easier for a few callers, and it agrees with my usual
preference that a function should fill in its output parameters whether it
succeeds or not.

CC: Jarno Rajahalme <jarno.rajahalme@nsn.com>
Signed-off-by: Ben Pfaff <blp@nicira.com>
This commit is contained in:
Ben Pfaff
2013-05-20 12:21:51 -07:00
parent 7233306575
commit bc146369d5
2 changed files with 5 additions and 10 deletions
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12
lib/meta-flow.c
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@@ -1203,9 +1203,7 @@ mf_set_value(const struct mf_field *mf,
case MFF_IN_PORT_OXM: {
uint16_t port;
if (ofputil_port_from_ofp11(value->be32, &port)) {
port = OFPP_NONE;
}
ofputil_port_from_ofp11(value->be32, &port);
match_set_in_port(match, port);
break;
}
@@ -1395,9 +1393,7 @@ mf_set_flow_value(const struct mf_field *mf,
case MFF_IN_PORT_OXM: {
uint16_t port;
if (ofputil_port_from_ofp11(value->be32, &port)) {
port = OFPP_NONE;
}
ofputil_port_from_ofp11(value->be32, &port);
flow->in_port = port;
break;
}
@@ -2481,9 +2477,7 @@ mf_format(const struct mf_field *mf,
case MFS_OFP_PORT_OXM:
if (!mask) {
uint16_t port;
if (ofputil_port_from_ofp11(value->be32, &port)) {
port = OFPP_NONE;
}
ofputil_port_from_ofp11(value->be32, &port);
ofputil_format_port(port, s);
break;
}