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mtd: nandsim: fix free of NULL pointer

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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>
This commit is contained in:
shengyong 2015-06-25 02:23:13 +00:00 committed by Brian Norris
parent 83dcf400be
commit ec7478fa17
1 changed files with 2 additions and 1 deletions
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drivers/mtd/nand/nandsim.c
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@ -649,6 +649,7 @@ static void free_device(struct nandsim *ns)
kmem_cache_free(ns->nand_pages_slab, kmem_cache_free(ns->nand_pages_slab,
ns->pages[i].byte); ns->pages[i].byte);
} }
if (ns->nand_pages_slab)
kmem_cache_destroy(ns->nand_pages_slab); kmem_cache_destroy(ns->nand_pages_slab);
vfree(ns->pages); vfree(ns->pages);
} }