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-rw-r--r--xorg-server/Xi/xiqueryversion.c36
1 files changed, 30 insertions, 6 deletions
diff --git a/xorg-server/Xi/xiqueryversion.c b/xorg-server/Xi/xiqueryversion.c
index 057d019be..fe564a058 100644
--- a/xorg-server/Xi/xiqueryversion.c
+++ b/xorg-server/Xi/xiqueryversion.c
@@ -71,13 +71,37 @@ ProcXIQueryVersion(ClientPtr client)
pXIClient = dixLookupPrivate(&client->devPrivates, XIClientPrivateKey);
if (pXIClient->major_version) {
- if (version_compare(stuff->major_version, stuff->minor_version,
- pXIClient->major_version, pXIClient->minor_version) < 0) {
- client->errorValue = stuff->major_version;
- return BadValue;
+
+ /* Check to see if the client has only ever asked
+ * for version 2.2 or higher
+ */
+ if (version_compare(stuff->major_version, stuff->minor_version, 2, 2) >= 0 &&
+ version_compare(pXIClient->major_version, pXIClient->minor_version, 2, 2) >= 0)
+ {
+
+ /* As of version 2.2, Peter promises to never again break
+ * backward compatibility, so we'll return the requested
+ * version to the client but leave the server internal
+ * version set to the highest requested value
+ */
+ major = stuff->major_version;
+ minor = stuff->minor_version;
+ if (version_compare(stuff->major_version, stuff->minor_version,
+ pXIClient->major_version, pXIClient->minor_version) > 0)
+ {
+ pXIClient->major_version = stuff->major_version;
+ pXIClient->minor_version = stuff->minor_version;
+ }
+ } else {
+ if (version_compare(stuff->major_version, stuff->minor_version,
+ pXIClient->major_version, pXIClient->minor_version) < 0) {
+
+ client->errorValue = stuff->major_version;
+ return BadValue;
+ }
+ major = pXIClient->major_version;
+ minor = pXIClient->minor_version;
}
- major = pXIClient->major_version;
- minor = pXIClient->minor_version;
} else {
if (version_compare(XIVersion.major_version, XIVersion.minor_version,
stuff->major_version, stuff->minor_version) > 0) {