Fix a few warnings and divide by zero (speed_pos)

include/interface.h

@@ -1975,6 +1975,7 @@ int ascii_digest (hashcat_ctx_t *hashcat_ctx, char *out_buf, const size_t out_le
 int         hashconfig_init                   (hashcat_ctx_t *hashcat_ctx);
 void        hashconfig_destroy                (hashcat_ctx_t *hashcat_ctx);
 u32         hashconfig_forced_kernel_threads  (hashcat_ctx_t *hashcat_ctx);
+u32         hashconfig_limited_kernel_threads (hashcat_ctx_t *hashcat_ctx, const hc_device_param_t *device_param);
 u32         hashconfig_get_kernel_threads     (hashcat_ctx_t *hashcat_ctx, const hc_device_param_t *device_param);
 u32         hashconfig_get_kernel_loops       (hashcat_ctx_t *hashcat_ctx);
 int         hashconfig_general_defaults       (hashcat_ctx_t *hashcat_ctx);

src/interface.c

@@ -26032,8 +26032,6 @@ u32 hashconfig_limited_kernel_threads (hashcat_ctx_t *hashcat_ctx, const hc_devi
 
 u32 hashconfig_get_kernel_threads (hashcat_ctx_t *hashcat_ctx, const hc_device_param_t *device_param)
 {
-  const user_options_t *user_options = hashcat_ctx->user_options;
-
   // a kernel can force a fixed value
 
   const u32 forced_kernel_threads = hashconfig_forced_kernel_threads (hashcat_ctx);

src/opencl.c

@@ -1318,7 +1318,12 @@ int choose_kernel (hashcat_ctx_t *hashcat_ctx, hc_device_param_t *device_param,
 
         if (user_options->speed_only == true)
         {
-          if (speed_msec > 4000) return -2; // special RC
+          if (speed_msec > 4000)
+          {
+            device_param->speed_pos = 1;
+
+            return -2; // special RC
+          }
         }
       }
 

src/status.c

@@ -1391,7 +1391,7 @@ double status_get_hashes_msec_dev (const hashcat_ctx_t *hashcat_ctx, const int d
   {
     const u32 speed_pos = device_param->speed_pos;
 
-    for (int i = 0; i < speed_pos; i++)
+    for (u32 i = 0; i < speed_pos; i++)
     {
       speed_cnt  += device_param->speed_cnt[i];
       speed_msec += device_param->speed_msec[i];