coverity: null check.

philljj · philljj · commit 115507e0c053 · 2024-10-16T13:08:06.000-05:00
diff --git a/src/ssl_asn1.c b/src/ssl_asn1.c
@@ -282,7 +282,7 @@ static int wolfssl_i2d_asn1_items(const void* obj, byte* buf,
             len = 0;
             break;
         }
-        if (buf != NULL && !mem->ex && mem->tag >= 0) {
+        if (buf != NULL && tmp != NULL && !mem->ex && mem->tag >= 0) {
             /* Encode the implicit tag */
             byte imp[ASN_TAG_SZ + MAX_LENGTH_SZ];
             SetImplicit(tmp[0], mem->tag, 0, imp, 0);

Original file line number	Diff line number	Diff line change
`@@ -282,7 +282,7 @@ static int wolfssl_i2d_asn1_items(const void* obj, byte* buf,`
`282`	`282`	`len = 0;`
`283`	`283`	`break;`
`284`	`284`	`}`
`285`		`- if (buf != NULL && !mem->ex && mem->tag >= 0) {`
	`285`	`+ if (buf != NULL && tmp != NULL && !mem->ex && mem->tag >= 0) {`
`286`	`286`	`/* Encode the implicit tag */`
`287`	`287`	`byte imp[ASN_TAG_SZ + MAX_LENGTH_SZ];`
`288`	`288`	`SetImplicit(tmp[0], mem->tag, 0, imp, 0);`