Mesa (master): st/wgl: clarify code in stw_framebuffer_from_hwnd_locked()

[Brian Paul]

Module: Mesa
Branch: master
Commit: 9870a5c6c9664d34432ba551ab9dce6ae79beaa4
URL:    http://cgit.freedesktop.org/mesa/mesa/commit/?id=9870a5c6c9664d34432ba551ab9dce6ae79beaa4

Author: Brian Paul <brianp at vmware.com>
Date:   Mon Nov  9 17:25:22 2015 -0700

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 <syeh at vmware.com>
Reviewed-by: Charmaine Lee <charmainel at vmware.com>
Reviewed-by: José Fonseca <jfonseca at vmware.com>

---

 src/gallium/state_trackers/wgl/stw_framebuffer.c |    4 ++--
 1 file 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 95d892a..09dede8 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;
 }