Re: [PATCH v2 17/18] firmware: arm_ffa: Add support for handling framework notifications

[Viresh Kumar]

On 31-01-25, 11:24, Sudeep Holla wrote:
> +static void handle_fwk_notif_callbacks(u32 bitmap)
> +{
> +	void *buf;
> +	uuid_t uuid;
> +	int notify_id = 0, target;
> +	struct ffa_indirect_msg_hdr *msg;
> +	struct notifier_cb_info *cb_info = NULL;
> +
> +	/* Only one framework notification defined and supported for now */
> +	if (!(bitmap & FRAMEWORK_NOTIFY_RX_BUFFER_FULL))
> +		return;
> +
> +	mutex_lock(&drv_info->rx_lock);
> +
> +	msg = drv_info->rx_buffer;
> +	buf = kmalloc(msg->size, GFP_KERNEL);
> +	if (!buf) {
> +		mutex_unlock(&drv_info->rx_lock);
> +		return;
> +	}
> +	memcpy(buf, (void *)msg + msg->offset, msg->size);

Can use kmemdup() here instead.

-- 
viresh