diff options
| author | shengyong <shengyong1@huawei.com> | 2015-06-25 02:23:13 +0000 |
|---|---|---|
| committer | Brian Norris <computersforpeace@gmail.com> | 2015-07-06 15:20:09 -0700 |
| commit | ec7478fa173f65e5ee5fd2ba42c59ca3e700027b (patch) | |
| tree | 438bfe81fa168f8fcea231bcf85e48cf03775589 | |
| parent | 83dcf400be7165af938dbd6b8ce6805c754701db (diff) | |
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>
| -rw-r--r-- | drivers/mtd/nand/nandsim.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/mtd/nand/nandsim.c b/drivers/mtd/nand/nandsim.c index 52c0c1a3899c..6a74f62a0033 100644 --- a/drivers/mtd/nand/nandsim.c +++ b/drivers/mtd/nand/nandsim.c @@ -649,7 +649,8 @@ static void free_device(struct nandsim *ns) 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); } } |