5 files changed, 5 insertions, 5 deletions
diff --git a/crypto/bn/bn_ctx.c b/crypto/bn/bn_ctx.c
index 756d404c13..19ff68e1eb 100644
--- a/crypto/bn/bn_ctx.c
+++ b/crypto/bn/bn_ctx.c
@@ -204,7 +204,7 @@ BN_CTX *BN_CTX_secure_new(void)
 {
     BN_CTX *ret = BN_CTX_new();
 
-    if (ret)
+    if (ret != NULL)
         ret->flags = BN_FLG_SECURE;
     return ret;
 }
diff --git a/crypto/bn/bn_intern.c b/crypto/bn/bn_intern.c
index 0b222517d4..abc8fc45a1 100644
--- a/crypto/bn/bn_intern.c
+++ b/crypto/bn/bn_intern.c
@@ -74,7 +74,7 @@ signed char *bn_compute_wNAF(const BIGNUM *scalar, int w, size_t *ret_len)
 
     if (BN_is_zero(scalar)) {
         r = OPENSSL_malloc(1);
-        if (!r) {
+        if (r == NULL) {
             BNerr(BN_F_BN_COMPUTE_WNAF, ERR_R_MALLOC_FAILURE);
             goto err;
         }
diff --git a/crypto/bn/bn_lib.c b/crypto/bn/bn_lib.c
index 3b07d7d28c..2042920d35 100644
--- a/crypto/bn/bn_lib.c
+++ b/crypto/bn/bn_lib.c
@@ -287,7 +287,7 @@ BIGNUM *BN_new(void)
  BIGNUM *BN_secure_new(void)
  {
      BIGNUM *ret = BN_new();
-     if (ret)
+     if (ret != NULL)
          ret->flags |= BN_FLG_SECURE;
      return (ret);
  }
diff --git a/crypto/bn/bn_mont.c b/crypto/bn/bn_mont.c
index d4d817a74f..bda2157aa5 100644
--- a/crypto/bn/bn_mont.c
+++ b/crypto/bn/bn_mont.c
@@ -517,7 +517,7 @@ BN_MONT_CTX *BN_MONT_CTX_set_locked(BN_MONT_CTX **pmont, int lock,
      * (the losers throw away the work they've done).
      */
     ret = BN_MONT_CTX_new();
-    if (!ret)
+    if (ret == NULL)
         return NULL;
     if (!BN_MONT_CTX_set(ret, mod, ctx)) {
         BN_MONT_CTX_free(ret);
diff --git a/crypto/bn/bn_rand.c b/crypto/bn/bn_rand.c
index 2764c8a307..66a175c32a 100644
--- a/crypto/bn/bn_rand.c
+++ b/crypto/bn/bn_rand.c
@@ -315,7 +315,7 @@ int BN_generate_dsa_nonce(BIGNUM *out, const BIGNUM *range,
     int ret = 0;
 
     k_bytes = OPENSSL_malloc(num_k_bytes);
-    if (!k_bytes)
+    if (k_bytes == NULL)
         goto err;
 
     /* We copy |priv| into a local buffer to avoid exposing its length. */