st/wgl: clarify code in stw_framebuffer_from_hwnd_locked()

Just a minor code change to make it obvious that NULL is returned when
we don't find the given HWND.

Reviewed-by: Sinclair Yeh <[email protected]>
Reviewed-by: Charmaine Lee <[email protected]>
Reviewed-by: José Fonseca <[email protected]>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/gallium/state_trackers/wgl/stw_framebuffer.c b/src/gallium/state_trackers/wgl/stw_framebuffer.c
index 95d892add34..09dede8d2a1 100644
--- a/src/gallium/state_trackers/wgl/stw_framebuffer.c
+++ b/src/gallium/state_trackers/wgl/stw_framebuffer.c
@@ -55,10 +55,10 @@ stw_framebuffer_from_hwnd_locked(HWND hwnd)
    for (fb = stw_dev->fb_head; fb != NULL; fb = fb->next)
       if (fb->hWnd == hwnd) {
          pipe_mutex_lock(fb->mutex);
-         break;
+         return fb;
       }
 
-   return fb;
+   return NULL;
 }