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authorshengyong <shengyong1@huawei.com>2015-06-25 02:23:13 +0000
committerBrian Norris <computersforpeace@gmail.com>2015-07-06 15:20:09 -0700
commitec7478fa173f65e5ee5fd2ba42c59ca3e700027b (patch)
tree438bfe81fa168f8fcea231bcf85e48cf03775589 /drivers/mtd/nand/nandsim.c
parent83dcf400be7165af938dbd6b8ce6805c754701db (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>
Diffstat (limited to 'drivers/mtd/nand/nandsim.c')
-rw-r--r--drivers/mtd/nand/nandsim.c3
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);
}
}