[MTD] [OneNAND] Fix wrong free the static address in onenand_sim

Reported-by: Randy Dunlap <randy.dunlap@oracle.com>
Signed-off-by: Kyungmin Park <kyungmin.park@samsung.com>
Signed-off-by: David Woodhouse <dwmw2@infradead.org>
diff --git a/drivers/mtd/onenand/onenand_sim.c b/drivers/mtd/onenand/onenand_sim.c
index d5b4888..d64200b 100644
--- a/drivers/mtd/onenand/onenand_sim.c
+++ b/drivers/mtd/onenand/onenand_sim.c
@@ -425,7 +425,6 @@
 {
 	vfree(ONENAND_CORE(flash));
 	kfree(flash->base);
-	kfree(flash);
 }
 
 static int __init onenand_sim_init(void)