From: Jie Liu <[email protected]>

The rss->level/key_len/queue_num checks only set the rte_flow_error
but still return 0 (success), so invalid RSS configurations are
accepted instead of being rejected with ENOTSUP.

Return the error code from the validation checks, matching the
behavior in the V3 implementation.

Fixes: 635084db5d57 ("net/sxe2: support VF representors")
Cc: [email protected]
Cc: [email protected]
Signed-off-by: Jie Liu <[email protected]>
---
 drivers/net/sxe2/sxe2_flow_parse_action.c | 14 ++++++++++----
 1 file changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/net/sxe2/sxe2_flow_parse_action.c 
b/drivers/net/sxe2/sxe2_flow_parse_action.c
index db70b146c6..b0275321be 100644
--- a/drivers/net/sxe2/sxe2_flow_parse_action.c
+++ b/drivers/net/sxe2/sxe2_flow_parse_action.c
@@ -12,7 +12,7 @@
 static int32_t sxe2_flow_check_rss_action_attr(const struct 
rte_flow_action_rss *rss,
                                           struct rte_flow_error *error)
 {
-       int32_t ret = ENOTSUP;
+       int32_t ret = -ENOTSUP;
        switch (rss->func) {
        case RTE_ETH_HASH_FUNCTION_DEFAULT:
        case RTE_ETH_HASH_FUNCTION_TOEPLITZ:
@@ -25,15 +25,21 @@ static int32_t sxe2_flow_check_rss_action_attr(const struct 
rte_flow_action_rss
                goto l_end;
        }
 
-       if (rss->level > 2)
+       if (rss->level > 2) {
                rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, 
NULL,
                        "RSS  level is could not be greater than 2");
-       if (rss->key_len)
+               goto l_end;
+       }
+       if (rss->key_len) {
                rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, 
NULL,
                        "a nonzero RSS key_len is not supported");
-       if (rss->queue_num)
+               goto l_end;
+       }
+       if (rss->queue_num) {
                rte_flow_error_set(error, ENOTSUP, RTE_FLOW_ERROR_TYPE_ACTION, 
NULL,
                        "a non-NULL RSS queue is not supported");
+               goto l_end;
+       }
        ret = 0;
 l_end:
        return ret;
-- 
2.52.0

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