util: fix int warnings in tm threads

Ticket: 4516

src/tm-threads.c

@@ -902,7 +902,7 @@ TmEcode TmThreadSetupOptions(ThreadVars *tv)
     if (tv->thread_setup_flags & THREAD_SET_AFFTYPE) {
         ThreadsAffinityType *taf = &thread_affinity[tv->cpu_affinity];
         if (taf->mode_flag == EXCLUSIVE_AFFINITY) {
-            int cpu = AffinityGetNextCPU(taf);
+            uint16_t cpu = AffinityGetNextCPU(taf);
             SetCPUAffinity(cpu);
             /* If CPU is in a set overwrite the default thread prio */
             if (CPU_ISSET(cpu, &taf->lowprio_cpu)) {
@@ -2343,7 +2343,7 @@ uint16_t TmThreadsGetWorkerThreadMax()
         SCLogWarning(SC_ERR_RUNMODE, "limited number of 'worker' threads to 1024. Wanted %d", thread_max);
         thread_max = 1024;
     }
-    return thread_max;
+    return (uint16_t)thread_max;
 }
 
 static inline void ThreadBreakLoop(ThreadVars *tv)

src/util-affinity.c

@@ -294,7 +294,7 @@ void AffinitySetupLoadFromConfig()
  * \brief Return next cpu to use for a given thread family
  * \retval the cpu to used given by its id
  */
-int AffinityGetNextCPU(ThreadsAffinityType *taf)
+uint16_t AffinityGetNextCPU(ThreadsAffinityType *taf)
 {
     uint16_t ncpu = 0;
 #if !defined __CYGWIN__ && !defined OS_WIN32 && !defined __OpenBSD__ && !defined sun

src/util-affinity.h

@@ -85,7 +85,7 @@ extern ThreadsAffinityType thread_affinity[MAX_CPU_SET];
 void AffinitySetupLoadFromConfig(void);
 ThreadsAffinityType * GetAffinityTypeFromName(const char *name);
 
-int AffinityGetNextCPU(ThreadsAffinityType *taf);
+uint16_t AffinityGetNextCPU(ThreadsAffinityType *taf);
 
 void BuildCpusetWithCallback(const char *name, ConfNode *node,
                              void (*Callback)(int i, void * data),