egl: break instead of looping after driver is found

Stop searching for a driver after success.

Signed-off-by: Quanxian Wang <quanxian.wang@intel.com>
Reviewed-By: Gong, Zhigang <zhigang.gong@gmail.com>
Reviewed-by: Brian Paul <brianp@vmware.com>
diff --git a/src/egl/drivers/dri2/egl_dri2.c b/src/egl/drivers/dri2/egl_dri2.c
index e703f28..892f1f4 100644
--- a/src/egl/drivers/dri2/egl_dri2.c
+++ b/src/egl/drivers/dri2/egl_dri2.c
@@ -403,6 +403,9 @@
 	 if (dri2_dpy->driver == NULL)
 	    _eglLog(_EGL_DEBUG, "failed to open %s: %s\n", path, dlerror());
       }
+      /* not need continue to loop all paths once the driver is found */
+      if (dri2_dpy->driver != NULL)
+         break;
    }
 
    if (dri2_dpy->driver == NULL) {