From: Colin Cross <[email protected]>

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.

Signed-off-by: Colin Cross <[email protected]>
[jstultz: modified patch to apply to staging directory]
Signed-off-by: John Stultz <[email protected]>
---
 drivers/staging/android/ion/ion.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/drivers/staging/android/ion/ion.c 
b/drivers/staging/android/ion/ion.c
index ef0b2d7..273ec3a 100644
--- a/drivers/staging/android/ion/ion.c
+++ b/drivers/staging/android/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);
 
-- 
1.8.3.2

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to [email protected]
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/

Reply via email to