[PATCH v3 3/8] lpm: remove unnecessary NULL checks

[Stephen Hemminger <stephen@networkplumber.org>]

The functions rte_lpm_free() and rte_lpm6_free() already
handle NULL pointer case.

Signed-off-by: Stephen Hemminger <stephen@networkplumber.org>
---
 app/test/test_func_reentrancy.c | 3 +--
 lib/lpm/rte_lpm.h               | 1 +
 lib/lpm/rte_lpm6.h              | 1 +
 3 files changed, 3 insertions(+), 2 deletions(-)

diff --git a/app/test/test_func_reentrancy.c b/app/test/test_func_reentrancy.c
index da00694daafd..67e69ad53588 100644
--- a/app/test/test_func_reentrancy.c
+++ b/app/test/test_func_reentrancy.c
@@ -348,8 +348,7 @@ lpm_clean(unsigned int lcore_id)
 	int i;
 
 	lpm = rte_lpm_find_existing("fr_test_once");
-	if (lpm != NULL)
-		rte_lpm_free(lpm);
+	rte_lpm_free(lpm);
 
 	for (i = 0; i < MAX_LPM_ITER_TIMES; i++) {
 		snprintf(lpm_name, sizeof(lpm_name), "fr_test_%d_%d",  lcore_id, i);
diff --git a/lib/lpm/rte_lpm.h b/lib/lpm/rte_lpm.h
index 5eb14c1748e5..a50bf3339fee 100644
--- a/lib/lpm/rte_lpm.h
+++ b/lib/lpm/rte_lpm.h
@@ -183,6 +183,7 @@ rte_lpm_find_existing(const char *name);
  *
  * @param lpm
  *   LPM object handle
+ *   If NULL then, the function does nothing.
  * @return
  *   None
  */
diff --git a/lib/lpm/rte_lpm6.h b/lib/lpm/rte_lpm6.h
index f96f3372e593..145fd4495a94 100644
--- a/lib/lpm/rte_lpm6.h
+++ b/lib/lpm/rte_lpm6.h
@@ -73,6 +73,7 @@ rte_lpm6_find_existing(const char *name);
  *
  * @param lpm
  *   LPM object handle
+ *   If NULL then, the function does nothing.
  * @return
  *   None
  */
-- 
2.34.1