iris/xe: move error checking to inside the devinfo->no_hw case

This check is for the command submission return.

Reviewed-by: José Roberto de Souza <jose.souza@intel.com>
Reviewed-by: Rohan Garg <rohan.garg@intel.com>
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/37559>

src/gallium/drivers/iris/xe/iris_kmd_backend.c

@@ -408,12 +408,13 @@ xe_batch_submit(struct iris_batch *batch)
       .syncs = (uintptr_t)syncs,
       .num_syncs = sync_len,
    };
-   if (!batch->screen->devinfo->no_hw)
+   if (!batch->screen->devinfo->no_hw) {
       ret = intel_ioctl(iris_bufmgr_get_fd(bufmgr), DRM_IOCTL_XE_EXEC, &exec);
 
-   if (ret) {
-      ret = -errno;
-      goto error_exec;
+      if (ret) {
+         ret = -errno;
+         goto error_exec;
+      }
    }
 
    if (!iris_implicit_sync_export(batch, &implicit_sync))