BUG_ON(pad < 0 || pad >= nn);
/* Does the caller provide the syndrome ? */
BUG_ON(pad < 0 || pad >= nn);
/* Does the caller provide the syndrome ? */
- if (s != NULL)
- goto decode;
+ if (s != NULL) {
+ for (i = 0; i < nroots; i++) {
+ /* The syndrome is in index form,
+ * so nn represents zero
+ */
+ if (s[i] != nn)
+ goto decode;
+ }
+
+ /* syndrome is zero, no errors to correct */
+ return 0;
+ }
/* form the syndromes; i.e., evaluate data(x) at roots of
* g(x) */
/* form the syndromes; i.e., evaluate data(x) at roots of
* g(x) */