Explicitly test against NULL; do not use !p or similar

[thirdparty/openssl.git] / crypto / pkcs7 / pk7_smime.c

diff --git a/crypto/pkcs7/pk7_smime.c b/crypto/pkcs7/pk7_smime.c
index 6012e37e3552fc4f914f23d1c5352f33fd9b3e01..43ad266a6c445fb90f1226e59ea62b7d87fcc256 100644 (file)
--- a/crypto/pkcs7/pk7_smime.c
+++ b/crypto/pkcs7/pk7_smime.c
@@ -214,7 +214,7 @@ int PKCS7_verify(PKCS7 *p7, STACK_OF(X509) *certs, X509_STORE *store,
     BIO *p7bio = NULL;
     BIO *tmpin = NULL, *tmpout = NULL;
 
-    if (!p7) {
+    if (p7 == NULL) {
         PKCS7err(PKCS7_F_PKCS7_VERIFY, PKCS7_R_INVALID_NULL_POINTER);
         return 0;
     }
@@ -379,7 +379,7 @@ STACK_OF(X509) *PKCS7_get0_signers(PKCS7 *p7, STACK_OF(X509) *certs,
     X509 *signer;
     int i;
 
-    if (!p7) {
+    if (p7 == NULL) {
         PKCS7err(PKCS7_F_PKCS7_GET0_SIGNERS, PKCS7_R_INVALID_NULL_POINTER);
         return NULL;
     }
@@ -480,7 +480,7 @@ int PKCS7_decrypt(PKCS7 *p7, EVP_PKEY *pkey, X509 *cert, BIO *data, int flags)
     int ret = 0, i;
     char *buf = NULL;
 
-    if (!p7) {
+    if (p7 == NULL) {
         PKCS7err(PKCS7_F_PKCS7_DECRYPT, PKCS7_R_INVALID_NULL_POINTER);
         return 0;
     }