[dpdk-dev] [PATCH V4 01/10] net/bnxt: fix flow create failure
Kalesh A P
kalesh-anakkur.purayil at broadcom.com
Thu Jan 16 14:04:46 CET 2020
From: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>
If flow create fails due to not enough filter resources,
driver does not populate the rte_flow_error using
rte_flow_error_set().
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.
Fixes: 5c1171c ("net/bnxt: refactor filter/flow")
Cc: stable at dpdk.org
Signed-off-by: Kalesh AP <kalesh-anakkur.purayil at broadcom.com>
Reviewed-by: Ajit Kumar Khaparde <ajit.khaparde at 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,
+ RTE_FLOW_ERROR_TYPE_HANDLE, NULL,
+ "Not enough resources for a new flow");
goto free_flow;
}
--
2.10.1
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