ANDROID: ion: Fix uninitialized variable

Change-Id: Ia634b790661089ad01aca8e5975984435463d148
Signed-off-by: Daniel Rosenberg <drosen@google.com>
Bug: 34276203
Fixes: Ibc36bc4405788ed0fea7337b541cad3be2b934c0
Signed-off-by: Kevin F. Haggerty <haggertk@lineageos.org>
diff --git a/drivers/gpu/ion/ion.c b/drivers/gpu/ion/ion.c
index 2e7dd40..a2e41f7 100644
--- a/drivers/gpu/ion/ion.c
+++ b/drivers/gpu/ion/ion.c
@@ -433,7 +433,7 @@
 /* Must hold the client lock */
 static int user_ion_handle_put_nolock(struct ion_handle *handle)
 {
-	int ret;
+	int ret = 0;
 
 	if (--handle->user_ref_count == 0)
 		ret = ion_handle_put_nolock(handle);