verify i >= 0 before continuing loop. clears coverity false positive

rlm2002 · rlm2002 · commit b167c2687e55 · 2026-06-09T15:40:16.000-06:00
diff --git a/wolfcrypt/src/asn.c b/wolfcrypt/src/asn.c
@@ -27156,7 +27156,7 @@ static void SetRdnItems(ASNItem* namesASN, ASNSetData* dataASN, const byte* oid,
 static int FindMultiAttrib(CertName* name, int id, int* idx)
 {
     int i;
-    for (i = *idx + 1; i < CTC_MAX_ATTRIB; i++) {
+    for (i = *idx + 1; i >= 0 && i < CTC_MAX_ATTRIB; i++) {
         if (name->name[i].sz > 0 && name->name[i].id == id) {
             break;
         }

Original file line number	Diff line number	Diff line change
`@@ -27156,7 +27156,7 @@ static void SetRdnItems(ASNItem* namesASN, ASNSetData* dataASN, const byte* oid,`
`27156`	`27156`	`static int FindMultiAttrib(CertName* name, int id, int* idx)`
`27157`	`27157`	`{`
`27158`	`27158`	`int i;`
`27159`		`- for (i = *idx + 1; i < CTC_MAX_ATTRIB; i++) {`
	`27159`	`+ for (i = *idx + 1; i >= 0 && i < CTC_MAX_ATTRIB; i++) {`
`27160`	`27160`	`if (name->name[i].sz > 0 && name->name[i].id == id) {`
`27161`	`27161`	`break;`
`27162`	`27162`	`}`