Short-circuit PanoramiXTranslateVisualID after verifying that the visual actually exists first.

This allows using PanoramiXTranslateVisualID to test whether a given visual made
it through PanoramiXVisualConsolidate.
(cherry picked from commit 8b3d26f5b6caff1766669deb0e2100d2dee3f185)

1 files changed, 4 insertions, 4 deletions

diff --git a/Xext/panoramiX.c b/Xext/panoramiX.c
index eb7068925..2792dc714 100644
--- a/Xext/panoramiX.c
+++ b/Xext/panoramiX.c
@@ -850,10 +850,6 @@ PanoramiXTranslateVisualID(int screen, VisualID orig)
     VisualPtr pVisual = NULL;
     int i;
 
-    /* if screen is 0, orig is already the correct visual ID */
-    if (screen == 0)
-	return orig;
-
     for (i = 0; i < PanoramiXNumVisuals; i++) {
 	if (orig == PanoramiXVisuals[i].vid) {
 	    pVisual = &PanoramiXVisuals[i];
@@ -864,6 +860,10 @@ PanoramiXTranslateVisualID(int screen, VisualID orig)
     if (!pVisual)
 	return 0;
 
+    /* if screen is 0, orig is already the correct visual ID */
+    if (screen == 0)
+	return orig;
+
     /* found the original, now translate it relative to the backend screen */
     for (i = 0; i < pOtherScreen->numVisuals; i++) {
 	VisualPtr pOtherVisual = &pOtherScreen->visuals[i];