On Wed, 2014-01-29 at 09:33 +0530, Manish Badarkhe wrote:
> This patch introduces "devm_kstrdup" API so that the
> device's driver can allocate memory and copy string.
[]
> diff --git a/drivers/base/devres.c b/drivers/base/devres.c
[]
> @@ -791,6 +791,32 @@ void * devm_kmalloc(struct device *dev, size_t size,
> gfp_t gfp)
> EXPORT_SYMBOL_GPL(devm_kmalloc);
>
> /**
> + * devm_kstrdup - Allocate resource managed space and
> + * and copy an existing string
> + * @dev: Device to allocate memory for
> + * @s: the string to duplicate
> + * @size: Allocation size
Why is size necessary at all?
I think it should be calculated by strlen
> +char *devm_kstrdup(struct device *dev,
> + const char *s, size_t size, gfp_t gfp)
> +{
> + char *buf;
> +
> + if (!s)
> + return NULL;
> +
> + buf = devm_kzalloc(dev, size, gfp);
If this is really necessary, please use devm_kmalloc
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