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authorPeter Hutterer <peter.hutterer@who-t.net>2011-11-29 16:15:37 +1000
committerJeremy Huddleston <jeremyhu@apple.com>2012-01-02 15:39:21 -0500
commitf9b00c2aba496fe470c24d0f8d3e3d0e3b05aa65 (patch)
tree9a881e0454d546339894645936371cf933d3487a
parente4984b3023351b5fcc506f4a196ad699db8b0535 (diff)
Xi: when removing a device, reset ClientPointers where needed
if a client had the to-be-removed device as ClientPointer, reset to NULL. Fixes #43165 Signed-off-by: Peter Hutterer <peter.hutterer@who-t.net> Reviewed-by: Jeremy Huddleston <jeremyhu@apple.com> (cherry picked from commit d2ebbcdaf6b13d70eee704b1764ff349e1be22a0)
-rw-r--r--Xi/xichangehierarchy.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/Xi/xichangehierarchy.c b/Xi/xichangehierarchy.c
index 96ead6fcd..dfcd52fd0 100644
--- a/Xi/xichangehierarchy.c
+++ b/Xi/xichangehierarchy.c
@@ -203,6 +203,19 @@ unwind:
}
static int
+disable_clientpointer(DeviceIntPtr dev)
+{
+ int i;
+
+ for (i = 0; i < currentMaxClients; i++)
+ {
+ ClientPtr client = clients[i];
+ if (client && client->clientPtr == dev)
+ client->clientPtr = NULL;
+ }
+}
+
+static int
remove_master(ClientPtr client, xXIRemoveMasterInfo *r,
int flags[MAXDEVICES])
{
@@ -252,6 +265,8 @@ remove_master(ClientPtr client, xXIRemoveMasterInfo *r,
if (rc != Success)
goto unwind;
+ disable_clientpointer(ptr);
+
/* Disabling sends the devices floating, reattach them if
* desired. */
if (r->return_mode == XIAttachToMaster)