[PATCH 4/4] examples: remove unnecessary null checks

[Stephen Hemminger]

The function rte_free() already handles NULL argument;
therefore the checks in this code are unnecessary.

Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
---
 examples/distributor/main.c     |  3 +--
 examples/fips_validation/main.c | 15 +++++----------
 2 files changed, 6 insertions(+), 12 deletions(-)

diff --git a/examples/distributor/main.c b/examples/distributor/main.c
index e767973ed8de..21304d661873 100644
--- a/examples/distributor/main.c
+++ b/examples/distributor/main.c
@@ -1017,8 +1017,7 @@ main(int argc, char *argv[])
 
        print_stats();
 
-       if (pd)
-               rte_free(pd);
+       rte_free(pd);
        rte_free(pr);
 
        /* clean up the EAL */
diff --git a/examples/fips_validation/main.c b/examples/fips_validation/main.c
index 40a5b70e073b..73caaffb7e7a 100644
--- a/examples/fips_validation/main.c
+++ b/examples/fips_validation/main.c
@@ -962,8 +962,7 @@ prepare_rsa_op(void)
                asym->rsa.message.data = msg.val;
                asym->rsa.message.length = msg.len;
 
-               if (vec.rsa.signature.val)
-                       rte_free(vec.rsa.signature.val);
+               rte_free(vec.rsa.signature.val);
 
                vec.rsa.signature.val = rte_zmalloc(NULL, vec.rsa.n.len, 0);
                vec.rsa.signature.len = vec.rsa.n.len;
@@ -1011,11 +1010,9 @@ prepare_ecdsa_op(void)
                asym->ecdsa.k.data = vec.ecdsa.k.val;
                asym->ecdsa.k.length = vec.ecdsa.k.len;
 
-               if (vec.ecdsa.r.val)
-                       rte_free(vec.ecdsa.r.val);
+               rte_free(vec.ecdsa.r.val);
 
-               if (vec.ecdsa.s.val)
-                       rte_free(vec.ecdsa.s.val);
+               rte_free(vec.ecdsa.s.val);
 
                vec.ecdsa.r.len = info.interim_info.ecdsa_data.curve_len;
                vec.ecdsa.r.val = rte_zmalloc(NULL, vec.ecdsa.r.len, 0);
@@ -1060,11 +1057,9 @@ prepare_ecfpm_op(void)
        asym->ecpm.scalar.data = vec.ecdsa.pkey.val;
        asym->ecpm.scalar.length = vec.ecdsa.pkey.len;
 
-       if (vec.ecdsa.qx.val)
-               rte_free(vec.ecdsa.qx.val);
+       rte_free(vec.ecdsa.qx.val);
 
-       if (vec.ecdsa.qy.val)
-               rte_free(vec.ecdsa.qy.val);
+       rte_free(vec.ecdsa.qy.val);
 
        vec.ecdsa.qx.len = info.interim_info.ecdsa_data.curve_len;
        vec.ecdsa.qx.val = rte_zmalloc(NULL, vec.ecdsa.qx.len, 0);
-- 
2.35.1