[01/10] net/bnxt: handle flow create failure

Message ID 20200113043609.27363-2-kalesh-anakkur.purayil@broadcom.com (mailing list archive)
State Superseded, archived
Delegated to: Ajit Khaparde
Series bnxt patch set with fixes |


Context Check Description
ci/checkpatch success coding style OK
ci/iol-intel-Performance success Performance Testing PASS
ci/iol-testing success Testing PASS
ci/iol-nxp-Performance success Performance Testing PASS
ci/iol-mellanox-Performance success Performance Testing PASS
ci/Intel-compilation success Compilation OK

Commit Message

Kalesh A P Jan. 13, 2020, 4:36 a.m. UTC
  From: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>

If flow create fails due to not enough filter resources,
driver does not populate the rte_flow_error using

Since "rte_errno" could have garbage value and is not relaiable,
it could cause a segfault in the stack in port_flow_complain().

Fix it to set rte_flow_error using rte_flow_error_set()
when flow create fails due to not enough filter resources.

Signed-off-by: Kalesh AP <kalesh-anakkur.purayil@broadcom.com>
Reviewed-by: Ajit Kumar Khaparde <ajit.khaparde@broadcom.com>
 drivers/net/bnxt/bnxt_flow.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)


diff --git a/drivers/net/bnxt/bnxt_flow.c b/drivers/net/bnxt/bnxt_flow.c
index cde1fa4..5564c53 100644
--- a/drivers/net/bnxt/bnxt_flow.c
+++ b/drivers/net/bnxt/bnxt_flow.c
@@ -1702,7 +1702,9 @@  bnxt_flow_create(struct rte_eth_dev *dev,
 	filter = bnxt_get_unused_filter(bp);
 	if (filter == NULL) {
-		PMD_DRV_LOG(ERR, "Not enough resources for a new flow.\n");
+		rte_flow_error_set(error, ENOSPC,
+				   "Not enough resources for a new flow");
 		goto free_flow;