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// SPDX-License-Identifier: GPL-2.0
/*
* Copyright 2025 Google LLC.
*/
#include <linux/fs.h>
#include <linux/bpf_lsm.h>
/*
* Strong definition of the mmap_file() BPF LSM hook. The __nullable suffix on
* the struct file pointer parameter name marks it as PTR_MAYBE_NULL. This
* explicitly enforces that BPF LSM programs check for NULL before attempting to
* dereference it.
*/
int bpf_lsm_mmap_file(struct file *file__nullable, unsigned long reqprot,
unsigned long prot, unsigned long flags)
{
return 0;
}
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