Change (!seqtt) to (seqtt == NULL)

Reviewed-by: Stephen Henson <steve@openssl.org>
Reviewed-by: Emilia Käsper <emilia@openssl.org>
(cherry picked from commit fdcb499cc2cd57412e496302a4bca8c5d9f1a9c7)

diff --git a/crypto/asn1/tasn_dec.c b/crypto/asn1/tasn_dec.c
index cda19bb8d1851da5e2329147fbe29424df4413cc..6b01f653572ca5c52550e48f76a8298bc864e8f2 100644 (file)
--- a/crypto/asn1/tasn_dec.c
+++ b/crypto/asn1/tasn_dec.c
@@ -401,7 +401,7 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
                 const ASN1_TEMPLATE *seqtt;
                 ASN1_VALUE **pseqval;
                 seqtt = asn1_do_adb(pval, tt, 1);
-                if (!seqtt)
+                if (seqtt == NULL)
                     continue;
                 pseqval = asn1_get_field_ptr(pval, seqtt);
                 ASN1_template_free(pseqval, seqtt);
@@ -413,7 +413,7 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
             const ASN1_TEMPLATE *seqtt;
             ASN1_VALUE **pseqval;
             seqtt = asn1_do_adb(pval, tt, 1);
-            if (!seqtt)
+            if (seqtt == NULL)
                 goto err;
             pseqval = asn1_get_field_ptr(pval, seqtt);
             /* Have we ran out of data? */
@@ -478,7 +478,7 @@ int ASN1_item_ex_d2i(ASN1_VALUE **pval, const unsigned char **in, long len,
         for (; i < it->tcount; tt++, i++) {
             const ASN1_TEMPLATE *seqtt;
             seqtt = asn1_do_adb(pval, tt, 1);
-            if (!seqtt)
+            if (seqtt == NULL)
                 goto err;
             if (seqtt->flags & ASN1_TFLG_OPTIONAL) {
                 ASN1_VALUE **pseqval;