// SPDX-License-Identifier: GPL-2.0 #include #include #include "vdso.h" ssize_t __kernel_getrandom(void *buffer, size_t len, unsigned int flags, void *opaque_state, size_t opaque_len) { if (test_facility(129)) return __cvdso_getrandom(buffer, len, flags, opaque_state, opaque_len); if (unlikely(opaque_len == ~0UL && !buffer && !len && !flags)) return -ENOSYS; return getrandom_syscall(buffer, len, flags); }