xfree86: Fix priority ordering for ignoring input classes

Commit 8736d112afb0dd61dfdaadd6378eafd200b2ef5f changed the priority
ordering of the InputClass option merging to be "last match wins". This
fixes the handling of Option "Ignore" to follow that logic.

Signed-off-by: Dan Nicholson <dbn.lists@gmail.com>
Reviewed-by: Keith Packard <keithp@keithp.com>
(cherry picked from commit adbbc661080ba4efdb764c154d40c4d2fe718e16)

Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net>

1 files changed, 12 insertions, 7 deletions

diff --git a/hw/xfree86/common/xf86Xinput.c b/hw/xfree86/common/xf86Xinput.c
index 822922717..7723ba683 100644
--- a/hw/xfree86/common/xf86Xinput.c
+++ b/hw/xfree86/common/xf86Xinput.c
@@ -625,25 +625,30 @@ MergeInputClasses(IDevPtr idev, InputAttributes *attrs)
     return Success;
 }
 
+/*
+ * Iterate the list of classes and look for Option "Ignore". Return the
+ * value of the last matching class and holler when returning TRUE.
+ */
 static Bool
 IgnoreInputClass(IDevPtr idev, InputAttributes *attrs)
 {
     XF86ConfInputClassPtr cl;
-    Bool ignore;
+    Bool ignore = FALSE;
+    const char *ignore_class;
 
     for (cl = xf86configptr->conf_inputclass_lst; cl; cl = cl->list.next) {
         if (!InputClassMatches(cl, attrs))
             continue;
         if (xf86findOption(cl->option_lst, "Ignore")) {
             ignore = xf86CheckBoolOption(cl->option_lst, "Ignore", FALSE);
-            if (ignore)
-                xf86Msg(X_CONFIG,
-                        "%s: Ignoring device from InputClass \"%s\"\n",
-                        idev->identifier, cl->identifier);
-            return ignore;
+            ignore_class = cl->identifier;
         }
     }
-    return FALSE;
+
+    if (ignore)
+        xf86Msg(X_CONFIG, "%s: Ignoring device from InputClass \"%s\"\n",
+                idev->identifier, ignore_class);
+    return ignore;
 }
 
 /**