From mboxrd@z Thu Jan 1 00:00:00 1970 From: Sheng Yong To: , Subject: [PATCH V2 1/2] mtd: nandsim: fix free of NULL pointer Date: Thu, 25 Jun 2015 00:46:48 +0000 Message-ID: <1435193209-54305-2-git-send-email-shengyong1@huawei.com> In-Reply-To: <1435193209-54305-1-git-send-email-shengyong1@huawei.com> References: <1435193209-54305-1-git-send-email-shengyong1@huawei.com> MIME-Version: 1.0 Content-Type: text/plain Cc: richard@nod.at, linux-mtd@lists.infradead.org List-Id: Linux MTD discussion mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , If allocating ns->nand_pages_slab fails, do not try to destroy it when cleaning up nandsim resources. Signed-off-by: Sheng Yong --- drivers/mtd/nand/nandsim.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) 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 @@ 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); } } -- 1.8.3.4