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);


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