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From: Fan Zhang <roy.fan.zhang@intel.com>
To: dev@dpdk.org
Cc: akhil.goyal@nxp.com,
	Fan Zhang <roy.fan.zhang@intel.com>
Date: Wed, 15 May 2019 16:41:21 +0100
Message-Id: <20190515154121.75459-1-roy.fan.zhang@intel.com>
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Subject: [dpdk-dev] [PATCH] examples/fips_validation: fix logically dead code
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Message-ID: <20190515154121.CRBjdc52TUbvLVBDjQlk58oH0ztH6jTWiaBMLbVwRQs@z>

Coverity issue: 336866
Coverity issue: 336841
Coverity issue: 336838
Fixes: 41d561cbdd24 ("examples/fips_validation: add power on self test")

Signed-off-by: Fan Zhang <roy.fan.zhang@intel.com>
---
 examples/fips_validation/fips_dev_self_test.c | 15 ++++++++++++---
 1 file changed, 12 insertions(+), 3 deletions(-)

diff --git a/examples/fips_validation/fips_dev_self_test.c b/examples/fips_validation/fips_dev_self_test.c
index df1c0e82e..444bbaa79 100644
--- a/examples/fips_validation/fips_dev_self_test.c
+++ b/examples/fips_validation/fips_dev_self_test.c
@@ -1333,6 +1333,9 @@ check_cipher_result(struct rte_crypto_op *op,
 	uint32_t len, src_len;
 	int ret;
 
+	if (!mbuf)
+		return -1;
+
 	if (dir == self_test_dir_enc_auth_gen) {
 		src = vec->output.data;
 		src_len = vec->output.len;
@@ -1342,7 +1345,7 @@ check_cipher_result(struct rte_crypto_op *op,
 	}
 
 	GET_MBUF_DATA(data, len, mbuf);
-	if (!data && !len)
+	if (!len)
 		return -1;
 
 	ret = memcmp(data, src, src_len);
@@ -1362,8 +1365,11 @@ check_auth_result(struct rte_crypto_op *op,
 	uint32_t len;
 	int ret;
 
+	if (mbuf == NULL)
+		return -1;
+
 	GET_MBUF_DATA(data, len, mbuf);
-	if (!data && !len)
+	if (!len)
 		return -1;
 
 	if (dir == self_test_dir_enc_auth_gen) {
@@ -1387,6 +1393,9 @@ check_aead_result(struct rte_crypto_op *op,
 	uint32_t len, src_len;
 	int ret;
 
+	if (!mbuf)
+		return -1;
+
 	if (op->sym->aead.aad.data)
 		rte_free(op->sym->aead.aad.data);
 
@@ -1399,7 +1408,7 @@ check_aead_result(struct rte_crypto_op *op,
 	}
 
 	GET_MBUF_DATA(data, len, mbuf);
-	if (!data && !len)
+	if (!len)
 		return -1;
 
 	ret = memcmp(data, src, src_len);
-- 
2.14.5