Subject: Re: [PATCH net] ice: Fix freeing uninitialized pointers

From: Jakub Kicinski <[email-masked]>
Date: Tue, 19 Mar 2024 12:43:17 -0700

On Sat, 16 Mar 2024 12:44:40 +0300 Dan Carpenter wrote:
> -	struct ice_aqc_get_phy_caps_data *pcaps __free(kfree);
> -	void *mac_buf __free(kfree);
> +	struct ice_aqc_get_phy_caps_data *pcaps __free(kfree) = NULL;
> +	void *mac_buf __free(kfree) = NULL;

This is just trading one kind of bug for another, and the __free()
magic is at a cost of readability.

I think we should ban the use of __free() in all of networking,
until / unless it cleanly handles the NULL init case.