From 66df93b4c9e78cf433b76d7fe3da4cc7fd06c36b Mon Sep 17 00:00:00 2001 From: Colin Cross Date: Thu, 22 Aug 2013 19:29:44 -0700 Subject: ion: don't use id 0 for handle cookie ion userspace clients think that the cookie is a pointer, so they use NULL to check if the handle has been initialized. Set the first id number to 1. Change-Id: Ifb9af6029a8b08f57e41bc6160cc11e11001a2a9 Signed-off-by: Colin Cross --- drivers/gpu/ion/ion.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/drivers/gpu/ion/ion.c b/drivers/gpu/ion/ion.c index 9f73052c392..1d4c8876ab5 100644 --- a/drivers/gpu/ion/ion.c +++ b/drivers/gpu/ion/ion.c @@ -424,7 +424,7 @@ static int ion_handle_add(struct ion_client *client, struct ion_handle *handle) rc = idr_pre_get(&client->idr, GFP_KERNEL); if (!rc) return -ENOMEM; - rc = idr_get_new(&client->idr, handle, &id); + rc = idr_get_new_above(&client->idr, handle, 1, &id); handle->id = id; } while (rc == -EAGAIN); -- cgit v1.2.3