device: Fix 0xFFFF crash when generating fiasco image without hwrev

This commit is contained in:
Pali Rohár committed 2021-05-02 18:44:22 +02:00
1 parent bacbb0165b
commit 8a9e2759d4
1 file changed
+5 -3
+5 -3
View File
@@ -184,9 +184,11 @@ char ** device_list_alloc_to_bufs(const struct device_list * device_list) {
continue;
}
if ( device_first->hwrevs ) {
for ( i = 0; device_first->hwrevs[i] != -1; ++i )
if ( device_first->hwrevs[i] >= 0 && device_first->hwrevs[i] <= 9999 )
++local;
}
size += (1+16+(MAX_HWREVS+1)*8)*(local/MAX_HWREVS+1);
count += local/MAX_HWREVS;
@@ -215,7 +217,7 @@ char ** device_list_alloc_to_bufs(const struct device_list * device_list) {
continue;
}
while ( device_first->hwrevs[i+1] != -1 ) {
do {
uint8_t len = 0;
ret[j] = ++last_ptr;
@@ -228,7 +230,7 @@ char ** device_list_alloc_to_bufs(const struct device_list * device_list) {
for ( k = 0; k < MAX_HWREVS; ++k ) {
if ( device_first->hwrevs[i+1] == -1 )
if ( ! device_first->hwrevs || device_first->hwrevs[i+1] == -1 )
break;
++i;
@@ -246,7 +248,7 @@ char ** device_list_alloc_to_bufs(const struct device_list * device_list) {
++j;
}
} while ( device_first->hwrevs && device_first->hwrevs[i+1] != -1 );
device_first = device_first->next;