[PATCH 07/11] net/bnxt: address coverity checked return issues

[Ajit Khaparde <ajit.khaparde@broadcom.com>]

From: Peter Spreadborough <peter.spreadborough@broadcom.com>

This change addresses the CID 449056:  Error handling issues (CHECKED_RETURN)
reported by coverity. The changes add return code handling to
address the issue.

Coverity issue: 449056
Signed-off-by: Peter Spreadborough <peter.spreadborough@broadcom.com>
Reviewed-by: Ajit Khaparde <ajit.khaparde@broadcom.com>
---
 drivers/net/bnxt/tf_ulp/ulp_mapper.c     | 10 +++++++---
 drivers/net/bnxt/tf_ulp/ulp_rte_parser.c |  8 +++++++-
 2 files changed, 14 insertions(+), 4 deletions(-)

diff --git a/drivers/net/bnxt/tf_ulp/ulp_mapper.c b/drivers/net/bnxt/tf_ulp/ulp_mapper.c
index 2429ac2f1a..1a68cf5dfd 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_mapper.c
+++ b/drivers/net/bnxt/tf_ulp/ulp_mapper.c
@@ -3612,9 +3612,13 @@ ulp_mapper_func_cond_list_process(struct bnxt_ulp_mapper_parms *parms,
 		}
 	}
 	/* write the value into result */
-	ulp_operand_read(val, res_local + res_size -
-			 ULP_BITS_2_BYTE_NR(oper_size),
-			 ULP_BITS_2_BYTE_NR(val_len));
+	if (unlikely(ulp_operand_read(val, res_local + res_size -
+				      ULP_BITS_2_BYTE_NR(oper_size),
+				      ULP_BITS_2_BYTE_NR(val_len)))) {
+		BNXT_DRV_DBG(ERR,
+			     "field idx operand read failed\n");
+		return -EINVAL;
+	}
 
 	/* convert the data to cpu format */
 	*res = tfp_be_to_cpu_64(*res);
diff --git a/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c b/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c
index dd5985cd7b..bf3a3deb18 100644
--- a/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c
+++ b/drivers/net/bnxt/tf_ulp/ulp_rte_parser.c
@@ -517,7 +517,13 @@ ulp_rte_parser_svif_set(struct ulp_rte_parser_params *params,
 		else
 			svif_type = BNXT_ULP_DRV_FUNC_SVIF;
 	}
-	ulp_port_db_svif_get(params->ulp_ctx, ifindex, svif_type, &svif);
+
+	if (ulp_port_db_svif_get(params->ulp_ctx, ifindex,
+				 svif_type, &svif)) {
+			BNXT_DRV_DBG(ERR, "ParseErr:ifindex is not valid\n");
+			return BNXT_TF_RC_ERROR;
+	}
+
 	svif = rte_cpu_to_be_16(svif);
 	mask = rte_cpu_to_be_16(mask);
 	hdr_field = &params->hdr_field[BNXT_ULP_PROTO_HDR_FIELD_SVIF_IDX];
-- 
2.39.5 (Apple Git-154)