[PATCH net 3/4] net: qede: use return from qede_parse_flow_attr() for flow_spec

Asbjørn Sloth Tønnesen posted 4 patches 1 year, 9 months ago
[PATCH net 3/4] net: qede: use return from qede_parse_flow_attr() for flow_spec
Posted by Asbjørn Sloth Tønnesen 1 year, 9 months ago
In qede_flow_spec_to_rule(), when calling
qede_parse_flow_attr() then the return code
was only used for a non-zero check, and then
-EINVAL was returned.

qede_parse_flow_attr() can currently fail with:
* -EINVAL
* -EOPNOTSUPP
* -EPROTONOSUPPORT

This patch changes the code to use the actual
return code, not just return -EINVAL.

The blaimed commit introduced qede_flow_spec_to_rule(),
and this call to qede_parse_flow_attr(), it looks
like it just duplicated how it was already used.

Only compile tested.

Fixes: 37c5d3efd7f8 ("qede: use ethtool_rx_flow_rule() to remove duplicated parser code")
Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>
---
 drivers/net/ethernet/qlogic/qede/qede_filter.c | 5 ++---
 1 file changed, 2 insertions(+), 3 deletions(-)

diff --git a/drivers/net/ethernet/qlogic/qede/qede_filter.c b/drivers/net/ethernet/qlogic/qede/qede_filter.c
index 25ef0f4258cb..377d661f70f7 100644
--- a/drivers/net/ethernet/qlogic/qede/qede_filter.c
+++ b/drivers/net/ethernet/qlogic/qede/qede_filter.c
@@ -2002,10 +2002,9 @@ static int qede_flow_spec_to_rule(struct qede_dev *edev,
 	if (IS_ERR(flow))
 		return PTR_ERR(flow);
 
-	if (qede_parse_flow_attr(edev, proto, flow->rule, t)) {
-		err = -EINVAL;
+	err = qede_parse_flow_attr(edev, proto, flow->rule, t);
+	if (err)
 		goto err_out;
-	}
 
 	/* Make sure location is valid and filter isn't already set */
 	err = qede_flow_spec_validate(edev, &flow->rule->action, t,
-- 
2.43.0

Re: [PATCH net 3/4] net: qede: use return from qede_parse_flow_attr() for flow_spec
Posted by Simon Horman 1 year, 9 months ago
On Fri, Apr 26, 2024 at 09:12:25AM +0000, Asbjørn Sloth Tønnesen wrote:
> In qede_flow_spec_to_rule(), when calling
> qede_parse_flow_attr() then the return code
> was only used for a non-zero check, and then
> -EINVAL was returned.
> 
> qede_parse_flow_attr() can currently fail with:
> * -EINVAL
> * -EOPNOTSUPP
> * -EPROTONOSUPPORT
> 
> This patch changes the code to use the actual
> return code, not just return -EINVAL.
> 
> The blaimed commit introduced qede_flow_spec_to_rule(),
> and this call to qede_parse_flow_attr(), it looks
> like it just duplicated how it was already used.
> 
> Only compile tested.
> 
> Fixes: 37c5d3efd7f8 ("qede: use ethtool_rx_flow_rule() to remove duplicated parser code")
> Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>

Reviewed-by: Simon Horman <horms@kernel.org>