[v0.96] Fix segfault when invalid cache size is found

src/x86/cpuid.c

@@ -314,6 +314,9 @@ struct cpuInfo* get_cpu_info() {
   cpu->cach = get_cache_info(cpu);
   cpu->topo = get_topology_info(cpu, cpu->cach);
   
+  if(cpu->cach == NULL || cpu->topo == NULL) {
+    return NULL;
+  }
   return cpu;
 }
 
@@ -627,29 +630,23 @@ struct cache* get_cache_info(struct cpuInfo* cpu) {
   // The values were chosen by me
   if(cach->L1i->size > 64 * 1024) {
     printBug("Invalid L1i size: %dKB", cach->L1i->size/1024);
-    return NULL;
   }
   if(cach->L1d->size > 64 * 1024) {
     printBug("Invalid L1d size: %dKB", cach->L1d->size/1024);
-    return NULL;
   }
   if(cach->L2->exists) {
     if(cach->L3->exists && cach->L2->size > 2 * 1048576) {
       printBug("Invalid L2 size: %dMB", cach->L2->size/(1048576));
-      return NULL;
     }
     else if(cach->L2->size > 100 * 1048576) {
       printBug("Invalid L2 size: %dMB", cach->L2->size/(1048576));
-      return NULL;
     }
   }
   if(cach->L3->exists && cach->L3->size > 100 * 1048576) {
     printBug("Invalid L3 size: %dMB", cach->L3->size/(1048576));
-    return NULL;
   }
   if(!cach->L2->exists) {
     printBug("Could not find L2 cache");
-    return NULL;    
   }
 
   return cach;