Authentication key is not required for all algorithms. Making sure the
null check is done only when 'auth_key_sz' is non-zero.

Fixes: f8be1786b1b8 ("app/crypto-perf: introduce performance test application")

Signed-off-by: Anoob Joseph <anoob.jos...@caviumnetworks.com>
Signed-off-by: Ayuj Verma <ayuj.ve...@caviumnetworks.com>
---
 app/test-crypto-perf/main.c | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/app/test-crypto-perf/main.c b/app/test-crypto-perf/main.c
index c9f99a7..55d97c2 100644
--- a/app/test-crypto-perf/main.c
+++ b/app/test-crypto-perf/main.c
@@ -357,7 +357,9 @@ cperf_check_test_vector(struct cperf_options *opts,
                                return -1;
                        if (test_vec->plaintext.length < opts->max_buffer_size)
                                return -1;
-                       if (test_vec->auth_key.data == NULL)
+                       /* Auth key is only required for some algorithms */
+                       if (opts->auth_key_sz &&
+                                       test_vec->auth_key.data == NULL)
                                return -1;
                        if (test_vec->auth_key.length != opts->auth_key_sz)
                                return -1;
-- 
2.7.4

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