diff --git a/drivers/mailbox/omap-mailbox.c b/drivers/mailbox/omap-mailbox.c
index 8754d81..ba15a49 100644
--- a/drivers/mailbox/omap-mailbox.c
+++ b/drivers/mailbox/omap-mailbox.c
@@ -384,7 +384,7 @@
 	if (!work)
 		return NULL;
 
-	mq = kzalloc(sizeof(struct omap_mbox_queue), GFP_KERNEL);
+	mq = kzalloc(sizeof(*mq), GFP_KERNEL);
 	if (!mq)
 		return NULL;