[PATCH v2 22/50] convert efivarfs

[Al Viro]

On Wed, Nov 05, 2025 at 02:43:34PM +0100, Christian Brauner wrote:

> -static void filesystems_freeze_callback(struct super_block *sb, void *unused)
> +static void filesystems_freeze_callback(struct super_block *sb, void *bool_freeze_all)
>  {
> +	bool freeze_all = *(bool *)bool_freeze_all;
> +
>  	if (!sb->s_op->freeze_fs && !sb->s_op->freeze_super)
>  		return;
>  
> +	if (!freeze_all) {

Minor nitpick: do we even need a dereference here?  Just check
whether the argument is NULL and adjust the caller...