Changes in uspace/drv/char/ps2mouse/main.c [b2010e2:267f235] in mainline

File:

• uspace/drv/char/ps2mouse/main.c (modified) (1 diff)

uspace/drv/char/ps2mouse/main.c

@@ -80 +80 @@
 static int mouse_add(ddf_dev_t *device)
 {
-        int rc;
-
         if (!device)
                 return EINVAL;
 
+#define CHECK_RET_RETURN(ret, message...) \
+if (ret != EOK) { \
+        ddf_msg(LVL_ERROR, message); \
+        return ret; \
+} else (void)0
+
         ps2_mouse_t *mouse = ddf_dev_data_alloc(device, sizeof(ps2_mouse_t));
-        if (mouse == NULL) {
-                ddf_msg(LVL_ERROR, "Failed to allocate mouse driver instance.");
-                return ENOMEM;
-        }
+        int ret = (mouse == NULL) ? ENOMEM : EOK;
+        CHECK_RET_RETURN(ret, "Failed to allocate mouse driver instance.");
 
-        rc = ps2_mouse_init(mouse, device);
-        if (rc != EOK) {
-                ddf_msg(LVL_ERROR, "Failed to initialize mouse driver: %s.",
-                    str_error(rc));
-                return rc;
-        }
+        ret = ps2_mouse_init(mouse, device);
+        CHECK_RET_RETURN(ret,
+            "Failed to initialize mouse driver: %s.", str_error(ret));
 
         ddf_msg(LVL_NOTE, "Controlling '%s' (%" PRIun ").",