From: Zhen Lei <thunder.leizhen@huawei.com> To: Oliver O'Halloran <oohall@gmail.com>, Dan Williams <dan.j.williams@intel.com>, Vishal Verma <vishal.l.verma@intel.com>, "Dave Jiang" <dave.jiang@intel.com>, Ira Weiny <ira.weiny@intel.com>, Markus Elfring <Markus.Elfring@web.de>, linux-nvdimm <linux-nvdimm@lists.01.org>, linux-kernel <linux-kernel@vger.kernel.org> Cc: Zhen Lei <thunder.leizhen@huawei.com> Subject: [PATCH v3 2/7] libnvdimm: add sanity check for provider_name in of_pmem_region_probe() Date: Thu, 20 Aug 2020 10:16:36 +0800 [thread overview] Message-ID: <20200820021641.3188-3-thunder.leizhen@huawei.com> (raw) In-Reply-To: <20200820021641.3188-1-thunder.leizhen@huawei.com> kstrdup() may return NULL because of no memory, check it. Fixes: 49bddc73d15c ("libnvdimm/of_pmem: Provide a unique name for bus provider") Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> --- drivers/nvdimm/of_pmem.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/nvdimm/of_pmem.c b/drivers/nvdimm/of_pmem.c index 1292ffca7b2ecc0..13c4c274ca6ea88 100644 --- a/drivers/nvdimm/of_pmem.c +++ b/drivers/nvdimm/of_pmem.c @@ -31,6 +31,11 @@ static int of_pmem_region_probe(struct platform_device *pdev) return -ENOMEM; priv->bus_desc.provider_name = kstrdup(pdev->name, GFP_KERNEL); + if (!priv->bus_desc.provider_name) { + kfree(priv); + return -ENOMEM; + } + priv->bus_desc.module = THIS_MODULE; priv->bus_desc.of_node = np; -- 1.8.3 _______________________________________________ Linux-nvdimm mailing list -- linux-nvdimm@lists.01.org To unsubscribe send an email to linux-nvdimm-leave@lists.01.org
WARNING: multiple messages have this Message-ID (diff)
From: Zhen Lei <thunder.leizhen@huawei.com> To: Oliver O'Halloran <oohall@gmail.com>, Dan Williams <dan.j.williams@intel.com>, Vishal Verma <vishal.l.verma@intel.com>, "Dave Jiang" <dave.jiang@intel.com>, Ira Weiny <ira.weiny@intel.com>, Markus Elfring <Markus.Elfring@web.de>, linux-nvdimm <linux-nvdimm@lists.01.org>, linux-kernel <linux-kernel@vger.kernel.org> Cc: Zhen Lei <thunder.leizhen@huawei.com> Subject: [PATCH v3 2/7] libnvdimm: add sanity check for provider_name in of_pmem_region_probe() Date: Thu, 20 Aug 2020 10:16:36 +0800 [thread overview] Message-ID: <20200820021641.3188-3-thunder.leizhen@huawei.com> (raw) In-Reply-To: <20200820021641.3188-1-thunder.leizhen@huawei.com> kstrdup() may return NULL because of no memory, check it. Fixes: 49bddc73d15c ("libnvdimm/of_pmem: Provide a unique name for bus provider") Signed-off-by: Zhen Lei <thunder.leizhen@huawei.com> --- drivers/nvdimm/of_pmem.c | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/drivers/nvdimm/of_pmem.c b/drivers/nvdimm/of_pmem.c index 1292ffca7b2ecc0..13c4c274ca6ea88 100644 --- a/drivers/nvdimm/of_pmem.c +++ b/drivers/nvdimm/of_pmem.c @@ -31,6 +31,11 @@ static int of_pmem_region_probe(struct platform_device *pdev) return -ENOMEM; priv->bus_desc.provider_name = kstrdup(pdev->name, GFP_KERNEL); + if (!priv->bus_desc.provider_name) { + kfree(priv); + return -ENOMEM; + } + priv->bus_desc.module = THIS_MODULE; priv->bus_desc.of_node = np; -- 1.8.3
next prev parent reply other threads:[~2020-08-20 2:17 UTC|newest] Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top 2020-08-20 2:16 [PATCH v3 0/7] bugfix and optimize for drivers/nvdimm Zhen Lei 2020-08-20 2:16 ` Zhen Lei 2020-08-20 2:16 ` [PATCH v3 1/7] libnvdimm: fix memory leaks in of_pmem.c Zhen Lei 2020-08-20 2:16 ` Zhen Lei 2020-08-20 2:16 ` Zhen Lei [this message] 2020-08-20 2:16 ` [PATCH v3 2/7] libnvdimm: add sanity check for provider_name in of_pmem_region_probe() Zhen Lei 2020-08-20 2:16 ` [PATCH v3 3/7] libnvdimm: simplify walk_to_nvdimm_bus() Zhen Lei 2020-08-20 2:16 ` Zhen Lei 2020-08-20 2:16 ` [PATCH v3 4/7] libnvdimm: reduce an unnecessary if branch in nd_region_create() Zhen Lei 2020-08-20 2:16 ` Zhen Lei 2020-08-20 2:16 ` [PATCH v3 5/7] libnvdimm: reduce an unnecessary if branch in nd_region_activate() Zhen Lei 2020-08-20 2:16 ` Zhen Lei 2020-08-27 7:04 ` Leizhen (ThunderTown) 2020-08-27 7:04 ` Leizhen (ThunderTown) 2020-08-20 2:16 ` [PATCH v3 6/7] libnvdimm: make sure EXPORT_SYMBOL_GPL(nvdimm_flush) close to its function Zhen Lei 2020-08-20 2:16 ` Zhen Lei 2020-08-20 11:05 ` Pankaj Gupta 2020-08-20 11:05 ` Pankaj Gupta 2020-08-20 2:16 ` [PATCH v3 7/7] libnvdimm: slightly simplify available_slots_show() Zhen Lei 2020-08-20 2:16 ` Zhen Lei 2020-08-21 12:56 ` Salih Agenter 2020-08-27 6:35 ` [PATCH v3 0/7] bugfix and optimize for drivers/nvdimm Leizhen (ThunderTown) 2020-08-27 6:35 ` Leizhen (ThunderTown)
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