From: Joe Perches <joe@perches.com>
To: Geliang Tang <geliangtang@163.com>
Cc: Greg Kroah-Hartman <gregkh@linuxfoundation.org>,
Sudeep Dutt <sudeep.dutt@intel.com>,
Nikhil Rao <nikhil.rao@intel.com>,
Ashutosh Dixit <ashutosh.dixit@intel.com>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] misc: mic: use kstrdup() in cosm_sysfs
Date: Sat, 10 Oct 2015 12:14:30 -0700 [thread overview]
Message-ID: <1444504470.8012.15.camel@perches.com> (raw)
In-Reply-To: <5099ee411bd5797e8c24a4e2daa6c58f119ab9ce.1444505802.git.geliangtang@163.com>
On Sat, 2015-10-10 at 04:46 -0700, Geliang Tang wrote:
> Use kstrdup instead of kmalloc and strncpy.
As count is a function argument, this isn't the same code.
You should state why it's correct in the commit log.
> diff --git a/drivers/misc/mic/cosm/cosm_sysfs.c b/drivers/misc/mic/cosm/cosm_sysfs.c
[]
> @@ -211,18 +211,14 @@ cmdline_store(struct device *dev, struct device_attribute *attr,
> mutex_lock(&cdev->cosm_mutex);
> kfree(cdev->cmdline);
>
> - cdev->cmdline = kmalloc(count + 1, GFP_KERNEL);
> + cdev->cmdline = kstrdup(buf, GFP_KERNEL);
next prev parent reply other threads:[~2015-10-10 19:14 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-10-02 2:43 [PATCH] misc: mic: use kstrdup() in mic_sysfs Geliang Tang
2015-10-04 11:56 ` Greg Kroah-Hartman
2015-10-10 11:46 ` [PATCH] misc: mic: use kstrdup() in cosm_sysfs Geliang Tang
2015-10-10 19:14 ` Joe Perches [this message]
2015-10-11 1:01 ` Ashutosh Dixit
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