mtd: nandsim: fix free of NULL pointer
If allocating ns->nand_pages_slab fails, do not try to destroy it when
cleaning up nandsim resources.
Signed-off-by: Sheng Yong <shengyong1@huawei.com>
Signed-off-by: Brian Norris <computersforpeace@gmail.com>
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c
index 52c0c1a..6a74f62 100644
--- a/drivers/mtd/nand/nandsim.c
+++ b/drivers/mtd/nand/nandsim.c
@@ -649,7 +649,8 @@
kmem_cache_free(ns->nand_pages_slab,
ns->pages[i].byte);
}
- kmem_cache_destroy(ns->nand_pages_slab);
+ if (ns->nand_pages_slab)
+ kmem_cache_destroy(ns->nand_pages_slab);
vfree(ns->pages);
}
}