examples/fips_validation: handle empty payload

Allocate at least onebyte to handle empty payload in a test vector
when defined.

Fixes: 3d0fad56b74 ("examples/fips_validation: add crypto FIPS application")
Cc: stable@dpdk.org
Signed-off-by: Gowrishankar Muthukrishnan <gmuthukrishn@marvell.com>
Acked-by: Fan Zhang <roy.fan.zhang@intel.com>

diff --git a/examples/fips_validation/fips_validation.c b/examples/fips_validation/fips_validation.c
index 94e31ab..324abcc 100644 (file)
--- a/examples/fips_validation/fips_validation.c
+++ b/examples/fips_validation/fips_validation.c
@@ -630,7 +630,7 @@ parse_uint8_hex_str(const char *key, char *src, struct fips_val *val)
                val->val = NULL;
        }
 
-       val->val = rte_zmalloc(NULL, len, 0);
+       val->val = rte_zmalloc(NULL, len + 1, 0);
        if (!val->val)
                return -ENOMEM;