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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Manish Chopra Subject: [PATCH net-next 1/3] net: qede: use return from qede_parse_actions() for flow_spec Date: Fri, 3 May 2024 10:55:01 +0000 Message-ID: <20240503105505.839342-2-ast@fiberby.net> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20240503105505.839342-1-ast@fiberby.net> References: <20240503105505.839342-1-ast@fiberby.net> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit In qede_flow_spec_to_rule(), when calling qede_parse_actions() then the return code was only used for a non-zero check, and then -EINVAL was returned. qede_parse_actions() can currently fail with: * -EINVAL * -EOPNOTSUPP Commit 319a1d19471e ("flow_offload: check for basic action hw stats type") broke the implicit assumption that it could only fail with -EINVAL, by changing it to return -EOPNOTSUPP, when hardware stats are requested. However AFAICT it's not possible to trigger qede_parse_actions() to return -EOPNOTSUPP, when called from qede_flow_spec_to_rule(), as hardware stats can't be requested by ethtool_rx_flow_rule_create(). This patch changes qede_flow_spec_to_rule() to use the actual return code from qede_parse_actions(), so it's no longer assumed that all errors are -EINVAL. Only compile tested. Signed-off-by: Asbjørn Sloth Tønnesen --- drivers/net/ethernet/qlogic/qede/qede_filter.c | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/drivers/net/ethernet/qlogic/qede/qede_filter.c b/drivers/net/ethernet/qlogic/qede/qede_filter.c index cb6b33a228ea..d5ca4bf6dba5 100644 --- a/drivers/net/ethernet/qlogic/qede/qede_filter.c +++ b/drivers/net/ethernet/qlogic/qede/qede_filter.c @@ -1943,6 +1943,8 @@ static int qede_flow_spec_validate(struct qede_dev *edev, struct qede_arfs_tuple *t, __u32 location) { + int err; + if (location >= QEDE_RFS_MAX_FLTR) { DP_INFO(edev, "Location out-of-bounds\n"); return -EINVAL; @@ -1963,8 +1965,9 @@ static int qede_flow_spec_validate(struct qede_dev *edev, return -EINVAL; } - if (qede_parse_actions(edev, flow_action, NULL)) - return -EINVAL; + err = qede_parse_actions(edev, flow_action, NULL); + if (err) + return err; return 0; } -- 2.43.0