[PATCH net-next 3/3] net: qede: use return from qede_flow_parse_ports()

From: Asbjørn Sloth Tønnesen
Date: Fri May 03 2024 - 06:55:54 EST


When calling qede_flow_parse_ports(), then the
return code was only used for a non-zero check,
and then -EINVAL was returned.

qede_flow_parse_ports() can currently fail with:
* -EINVAL

This patch changes qede_flow_parse_v{4,6}_common() to
use the actual return code from qede_flow_parse_ports(),
so it's no longer assumed that all errors are -EINVAL.

Only compile tested.

Signed-off-by: Asbjørn Sloth Tønnesen <ast@xxxxxxxxxxx>
---
drivers/net/ethernet/qlogic/qede/qede_filter.c | 13 +++++++++----
1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/qede/qede_filter.c b/drivers/net/ethernet/qlogic/qede/qede_filter.c
index 07af0464eb1e..ded48523c383 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_filter.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_filter.c
@@ -1725,6 +1725,7 @@ qede_flow_parse_v6_common(struct qede_dev *edev, struct flow_rule *rule,
struct qede_arfs_tuple *t)
{
struct in6_addr zero_addr, addr;
+ int err;

memset(&zero_addr, 0, sizeof(addr));
memset(&addr, 0xff, sizeof(addr));
@@ -1746,8 +1747,9 @@ qede_flow_parse_v6_common(struct qede_dev *edev, struct flow_rule *rule,
memcpy(&t->dst_ipv6, &match.key->dst, sizeof(addr));
}

- if (qede_flow_parse_ports(edev, rule, t))
- return -EINVAL;
+ err = qede_flow_parse_ports(edev, rule, t);
+ if (err)
+ return err;

return qede_set_v6_tuple_to_profile(edev, t, &zero_addr);
}
@@ -1756,6 +1758,8 @@ static int
qede_flow_parse_v4_common(struct qede_dev *edev, struct flow_rule *rule,
struct qede_arfs_tuple *t)
{
+ int err;
+
if (flow_rule_match_key(rule, FLOW_DISSECTOR_KEY_IPV4_ADDRS)) {
struct flow_match_ipv4_addrs match;

@@ -1770,8 +1774,9 @@ qede_flow_parse_v4_common(struct qede_dev *edev, struct flow_rule *rule,
t->dst_ipv4 = match.key->dst;
}

- if (qede_flow_parse_ports(edev, rule, t))
- return -EINVAL;
+ err = qede_flow_parse_ports(edev, rule, t);
+ if (err)
+ return err;

return qede_set_v4_tuple_to_profile(edev, t);
}
--
2.43.0