Don't check for null pointer in calls to free

According to the C99 specification section 7.20.3.2 paragraph 2:

> If ptr is a null pointer, no action occurs.

So we do not need to check that the pointer is a null pointer.

1 files changed, 1 insertions, 1 deletions

diff --git a/hash.c b/hash.c
index f3514cd94b..978b4626fa 100644
--- a/hash.c
+++ b/hash.c
@@ -1165,7 +1165,7 @@ st_free_and_clear_table(VALUE hash)
 
     st_table *tab = RHASH_ST_TABLE(hash);
 
-    if (tab->bins != NULL) free(tab->bins);
+    free(tab->bins);
     free(tab->entries);
 
     RHASH_ST_CLEAR(hash);