[PATCH v1 1/2] net/macb: add new driver

Stephen Hemminger stephen at networkplumber.org
Sat Nov 2 06:43:10 CET 2024


On Fri,  1 Nov 2024 10:07:19 +0000
liwencheng <liwencheng at phytium.com.cn> wrote:

> +int macb_uio_init(const char *name, struct macb_iomem **iomem)
> +{
> +	struct macb_iomem *new;
> +	int ret;
> +
> +	new = malloc(sizeof(struct macb_iomem));
> +	if (!new) {
> +		MACB_LOG(ERR, "No memory for IOMEM obj.");
> +		return -ENOMEM;
> +	}
> +	memset(new, 0, sizeof(struct macb_iomem));
> +
> +	new->name = malloc(strlen(name) + 1);
> +	if (!new->name) {
> +		MACB_LOG(ERR, "No memory for IOMEM-name obj.");
> +		ret = -ENOMEM;
> +		goto out_free;
> +	}
> +
> +	memcpy(new->name, name, strlen(name));
> +	new->name[strlen(name)] = '\0';

This looks like you just reinvented strdup() function and
did with calling strlen() multiple times.


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